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Hartford Core Bond ETF

Schedule of Investments

April 30, 2020 (Unaudited)


Shares or Principal Amount		Market Value^†
Asset & Commercial Mortgage-Backed Securities - 16.5%
	Asset-Backed - Automobile - 0.0%
$ 10,000	Santander Drive Auto Receivables Trust 2.07%, 01/17/2023	$	10,007

	Asset-Backed - Finance & Insurance - 2.3%
250,000	Carlyle Global Market Strategies CLO Ltd. 2.74%, 05/15/2031, 3 mo. USD LIBOR + 1.050%⁽¹⁾⁽²⁾		237,569
250,000	Magnetite XVII Ltd. 2.24%, 07/20/2031, 3 mo. USD LIBOR + 1.100%⁽¹⁾⁽²⁾		240,930

			478,499

	Commercial Mortgage - Backed Securities - 5.8%
100,000	Citigroup Commercial Mortgage Trust 3.61%, 11/10/2048		104,729
150,000	Commercial Mortgage Trust 3.31%, 03/10/2048		157,521
50,000	Deutsche Bank Commercial Mortgage Trust 3.04%, 05/10/2049		51,609
	JPMBB Commercial Mortgage Securities Trust
150,000	2.95%, 06/15/2049		154,438
100,000	3.56%, 12/15/2048		104,561
150,000	JPMDB Commercial Mortgage Securities Trust 3.24%, 10/15/2050		157,073
100,000	Morgan Stanley Bank of America Merrill Lynch Trust 2.92%, 02/15/2046		101,051
50,000	SG Commercial Mortgage Securities Trust 2.63%, 03/15/2037⁽¹⁾		49,395
100,000	VNDO Mortgage Trust 3.00%, 11/15/2030⁽¹⁾		101,219
100,000	Wells Fargo Commercial Mortgage Trust 3.52%, 12/15/2048		103,749
102,213	WFRBS Commercial Mortgage Trust 2.98%, 06/15/2046		103,580

			1,188,925

	Other Asset Backed Securities - 2.7%
89,788	Consumer Loan Underlying Bond CLUB Credit Trust 2.26%, 03/15/2028⁽¹⁾		86,764
75,139	Marlette Funding Trust 2.39%, 12/17/2029⁽¹⁾		73,339
241,780	Pretium Mortgage Credit Partners LLC 2.86%, 05/27/2059⁽¹⁾⁽³⁾		199,472
190,398	Towd Point Mortgage Trust 2.75%, 06/25/2057⁽¹⁾⁽⁴⁾		191,880

			551,455

	Whole Loan Collateral CMO - 5.7%
	Angel Oak Mortgage Trust LLC
52,646	3.65%, 09/25/2048⁽¹⁾⁽⁴⁾		52,626
60,522	3.67%, 07/27/2048⁽¹⁾⁽⁴⁾		61,081
	Arroyo Mortgage Trust
94,785	3.76%, 04/25/2048⁽¹⁾⁽⁴⁾		95,525
93,552	3.81%, 01/25/2049⁽¹⁾⁽⁴⁾		94,801
	Bunker Hill Loan Depositary Trust
98,202	2.88%, 07/25/2049⁽¹⁾⁽³⁾		96,778
94,348	3.61%, 10/26/2048⁽¹⁾⁽³⁾		94,970
92,351	COLT Mortgage Loan Trust 3.34%, 05/25/2049⁽¹⁾⁽⁴⁾		92,391
72,052	Deephaven Residential Mortgage Trust 2.96%, 07/25/2059⁽¹⁾⁽⁴⁾		71,766
87,907	Galton Funding Mortgage Trust 3.50%, 11/25/2057⁽¹⁾⁽⁴⁾		88,018
95,869	GCAT LLC 2.25%, 01/25/2060⁽¹⁾⁽³⁾		96,569

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 92,682	MetLife Securitization Trust 3.75%, 03/25/2057⁽¹⁾⁽⁴⁾	$	95,607
	New Residential Mortgage Loan Trust
92,937	3.60%, 04/25/2049⁽¹⁾⁽⁴⁾		95,225
36,732	3.75%, 03/25/2056⁽¹⁾⁽⁴⁾		37,450
39,025	Seasoned Credit Risk Transfer Trust 2.50%, 08/25/2059		40,209
994,760	Wells Fargo N.A. 1.13%, 02/15/2052⁽⁴⁾⁽⁵⁾		62,044

			1,175,060

	Total Asset & Commercial Mortgage-Backed Securities (cost $3,515,897)	$	3,403,946

Corporate Bonds - 33.7%
	Aerospace/Defense - 0.6%
	Boeing Co.
5,000	3.25%, 02/01/2035		4,141
50,000	5.04%, 05/01/2027		50,000
	L3Harris Technologies, Inc.
20,000	3.85%, 06/15/2023⁽¹⁾		20,958
5,000	4.40%, 06/15/2028⁽¹⁾		5,647
10,000	Lockheed Martin Corp. 3.80%, 03/01/2045		12,050
25,000	United Technologies Corp. 4.45%, 11/16/2038		31,122

			123,918

	Agriculture - 0.8%
	Altria Group, Inc.
50,000	2.63%, 09/16/2026		50,703
40,000	3.88%, 09/16/2046		39,064
10,000	Archer-Daniels-Midland Co. 3.25%, 03/27/2030		11,028
15,000	BAT Capital Corp. 4.91%, 04/02/2030		16,886
45,000	Reynolds American, Inc. 4.85%, 09/15/2023		48,865

			166,546

	Beverages - 1.7%
	Anheuser-Busch InBev Worldwide, Inc.
120,000	3.75%, 07/15/2042		122,650
5,000	4.35%, 06/01/2040		5,471
5,000	4.50%, 06/01/2050		5,596
25,000	4.75%, 01/23/2029		28,922
45,000	Coca-Cola Co. 1.45%, 06/01/2027		45,010
	Constellation Brands, Inc.
5,000	2.88%, 05/01/2030		5,083
5,000	3.15%, 08/01/2029		5,174
30,000	3.60%, 02/15/2028		32,043
5,000	4.65%, 11/15/2028		5,747
5,000	Keurig Dr Pepper, Inc. 3.20%, 05/01/2030		5,327
15,000	Molson Coors Brewing Co. 3.00%, 07/15/2026		14,886
	PepsiCo, Inc.
30,000	1.63%, 05/01/2030		29,679
5,000	2.63%, 03/19/2027		5,399
30,000	3.63%, 03/19/2050		36,205

			347,192

	Biotechnology - 0.2%
	Amgen, Inc.
10,000	1.90%, 02/21/2025		10,234
15,000	2.20%, 02/21/2027		15,400
15,000	2.45%, 02/21/2030		15,459

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 5,000	Gilead Sciences, Inc. 3.65%, 03/01/2026	$	5,631

			46,724

	Chemicals - 0.5%
	Air Products and Chemicals, Inc.
5,000	1.50%, 10/15/2025		5,044
5,000	1.85%, 05/15/2027		5,066
5,000	Dow Chemical Co. 4.80%, 05/15/2049		5,720
40,000	DuPont de Nemours, Inc. 4.21%, 11/15/2023		43,244
10,000	LYB International Finance LLC 2.88%, 05/01/2025		10,116
	Sherwin-Williams Co.
15,000	2.30%, 05/15/2030		14,808
15,000	2.95%, 08/15/2029		15,554
5,000	3.30%, 05/15/2050		5,116
5,000	4.50%, 06/01/2047		6,045

			110,713

	Commercial Banks - 6.9%
	Bank of America Corp.
120,000	2.46%, 10/22/2025, (2.46% fixed rate until 10/22/2024; 3 mo. USD LIBOR + 0.870% thereafter)⁽⁶⁾		122,733
100,000	3.97%, 02/07/2030, (3.97% fixed rate until 02/07/2029; 3 mo. USD LIBOR + 1.210% thereafter)⁽⁶⁾		112,440
70,000	4.08%, 03/20/2051, (4.08% fixed rate until 03/20/2050; 3 mo. USD LIBOR + 3.150% thereafter)⁽⁶⁾		84,057
	Bank of New York Mellon Corp.
55,000	2.10%, 10/24/2024		56,549
15,000	2.45%, 08/17/2026		15,675
	Citigroup, Inc.
55,000	3.20%, 10/21/2026		57,937
60,000	3.98%, 03/20/2030, (3.98% fixed rate until 03/20/2029; 3 mo. USD LIBOR + 1.338% thereafter)⁽⁶⁾		66,089
20,000	4.41%, 03/31/2031, (4.41% fixed rate until 03/31/2030; 3 mo. SOFR + 3.914% thereafter)⁽⁶⁾		23,025
15,000	Fifth Third Bancorp 2.38%, 01/28/2025		15,233
	Goldman Sachs Group, Inc.
80,000	2.60%, 02/07/2030		79,459
15,000	4.02%, 10/31/2038, (4.02% fixed rate until 10/31/2037; 3 mo. USD LIBOR + 1.373% thereafter)⁽⁶⁾		16,466
	JP Morgan Chase & Co.
285,000	2.30%, 10/15/2025, (2.30% fixed rate until 10/15/2024; 3 mo. USD SOFR + 1.160% thereafter)⁽⁶⁾		290,929
10,000	3.11%, 04/22/2041, (3.11% fixed rate until 04/22/2040; 3 mo. SOFR + 2.460% thereafter)⁽⁶⁾		10,378
10,000	3.11%, 04/22/2051, (3.11% fixed rate until 04/22/2050; 3 mo. USD SOFR + 2.440% thereafter)⁽⁶⁾		10,355
25,000	4.49%, 03/24/2031, (4.49% fixed rate until 03/24/2030; 3 mo. USD SOFR + 3.790% thereafter)⁽⁶⁾		29,565
25,000	KeyCorp. 2.55%, 10/01/2029		24,098
	Morgan Stanley
115,000	2.70%, 01/22/2031, (2.70% fixed rate until 01/22/2030; 3 mo. SOFR + 1.143% thereafter)⁽⁶⁾		117,513
10,000	3.97%, 07/22/2038, (3.97% fixed rate until 07/22/2037; 3 mo. USD LIBOR + 1.455% thereafter)⁽⁶⁾		11,249
55,000	PNC Financial Services Group, Inc. 2.55%, 01/22/2030		56,283
30,000	Santander Holdings USA, Inc. 3.40%, 01/18/2023		30,198
	State Street Corp.
25,000	2.35%, 11/01/2025, (2.35% fixed rate until 11/01/2024; 3 mo. USD SOFR + 0.940% thereafter)⁽⁶⁾		25,728

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 10,000	2.90%, 03/30/2026, (2.90% fixed rate until 03/30/2025; 3 mo. USD SOFR + 2.600% thereafter)⁽¹⁾⁽⁶⁾	$	10,621
	Wells Fargo & Co.
125,000	2.41%, 10/30/2025, (2.41% fixed rate until 10/30/2024; 3 mo. USD LIBOR + 0.825% thereafter)⁽⁶⁾		126,908
15,000	4.75%, 12/07/2046		17,783
10,000	5.01%, 04/04/2051, (5.01% fixed rate until 04/04/2050; 3 mo. USD LIBOR + 4.240% thereafter)⁽⁶⁾		13,128

			1,424,399

	Commercial Services - 0.2%
	Equifax, Inc.
5,000	2.60%, 12/15/2025		5,064
5,000	3.10%, 05/15/2030		5,045
10,000	ERAC USA Finance LLC 7.00%, 10/15/2037⁽¹⁾		12,849
10,000	Global Payments, Inc. 3.20%, 08/15/2029		10,295

			33,253

	Construction Materials - 0.1%
30,000	Carrier Global Corp. 2.24%, 02/15/2025⁽¹⁾		29,780

	Diversified Financial Services - 0.4%
30,000	American Express Co. 3.63%, 12/05/2024		31,886
40,000	BlackRock, Inc. 1.90%, 01/28/2031		39,988
5,000	Mastercard, Inc. 3.35%, 03/26/2030		5,692

			77,566

	Electric - 3.5%
15,000	Alabama Power Co. 4.15%, 08/15/2044		18,115
25,000	Berkshire Hathaway Energy Co. 3.25%, 04/15/2028		27,455
10,000	Cleco Corporate Holdings LLC 3.74%, 05/01/2026		10,096
25,000	Commonwealth Edison Co. 2.55%, 06/15/2026		26,587
	Dominion Energy, Inc.
70,000	2.85%, 08/15/2026		72,528
20,000	5.95%, 06/15/2035		25,646
100,000	Duke Energy Corp. 2.65%, 09/01/2026		106,161
20,000	Duke Energy Indiana LLC 3.25%, 10/01/2049		22,136
35,000	Evergy, Inc. 2.90%, 09/15/2029		35,883
5,000	Exelon Corp. 4.70%, 04/15/2050		6,432
	Georgia Power Co.
45,000	2.10%, 07/30/2023		46,422
10,000	4.30%, 03/15/2042		11,632
5,000	National Rural Utilities Cooperative Finance Corp. 3.40%, 02/07/2028		5,487
40,000	Oglethorpe Power Corp. 5.05%, 10/01/2048		45,516
10,000	Oncor Electric Delivery Co. LLC 2.95%, 04/01/2025		10,761
8,000	PacifiCorp 4.13%, 01/15/2049		10,096
35,000	Puget Energy, Inc. 3.65%, 05/15/2025		35,049
10,000	Sempra Energy 4.00%, 02/01/2048		11,312

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 35,000	Sierra Pacific Power Co. 2.60%, 05/01/2026	$	37,113
	Southern California Edison Co.
15,000	2.25%, 06/01/2030		14,759
20,000	2.85%, 08/01/2029		20,613
5,000	3.65%, 02/01/2050		5,436
15,000	4.00%, 04/01/2047		16,764
	Southern Co.
45,000	3.25%, 07/01/2026		48,010
20,000	3.70%, 04/30/2030		22,170
	Xcel Energy, Inc.
20,000	2.60%, 12/01/2029		20,813
10,000	3.50%, 12/01/2049		10,974

			723,966

	Environmental Control - 0.1%
20,000	Waste Management, Inc. 3.45%, 06/15/2029		22,723

	Food - 0.4%
20,000	Conagra Brands, Inc. 4.85%, 11/01/2028		23,438
20,000	General Mills, Inc. 2.88%, 04/15/2030		21,396
25,000	Philip Morris International, Inc. 2.10%, 05/01/2030		24,793
15,000	Sysco Corp. 5.95%, 04/01/2030		17,727

			87,354

	Gas - 0.4%
20,000	Dominion Energy Gas Holdings LLC 2.50%, 11/15/2024		20,758
	NiSource, Inc.
20,000	3.49%, 05/15/2027		21,495
25,000	3.60%, 05/01/2030		27,893
20,000	Sempra Energy 3.40%, 02/01/2028		21,048

			91,194

	Healthcare-Products - 0.3%
10,000	Baxter International, Inc. 3.95%, 04/01/2030⁽¹⁾		11,631
15,000	Becton Dickinson and Co. 3.36%, 06/06/2024		15,946
10,000	Thermo Fisher Scientific, Inc. 2.95%, 09/19/2026		10,820
15,000	Zimmer Biomet Holdings, Inc. 3.05%, 01/15/2026		15,156

			53,553

	Healthcare-Services - 0.8%
	Anthem, Inc.
65,000	2.88%, 09/15/2029		67,625
5,000	4.38%, 12/01/2047		5,924
15,000	CommonSpirit Health 2.76%, 10/01/2024		14,730
	UnitedHealth Group, Inc.
60,000	2.38%, 08/15/2024		63,176
15,000	4.75%, 07/15/2045		19,892

			171,347

	Household Products - 0.1%
10,000	Estee Lauder Cos., Inc. 2.60%, 04/15/2030		10,424

	Insurance - 0.8%
25,000	Berkshire Hathaway Finance Corp. 4.20%, 08/15/2048		31,484

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


	Marsh & McLennan Cos., Inc.
$ 60,000	3.88%, 03/15/2024	$	65,267
5,000	4.75%, 03/15/2039		6,247
5,000	New York Life Insurance Co. 3.75%, 05/15/2050⁽¹⁾		5,672
15,000	Progressive Corp. 3.20%, 03/26/2030		16,755
30,000	Willis North America, Inc. 2.95%, 09/15/2029		30,487

			155,912

	Internet - 1.3%
60,000	Amazon.com, Inc. 3.15%, 08/22/2027		67,402
200,000	Tencent Holdings Ltd. 2.99%, 01/19/2023⁽¹⁾		204,546

			271,948

	IT Services - 1.4%
65,000	Apple, Inc. 2.20%, 09/11/2029		69,116
	International Business Machines Corp.
100,000	1.95%, 05/15/2030		100,000
100,000	3.30%, 05/15/2026		110,259

			279,375

	Machinery - Construction & Mining - 0.1%
20,000	Caterpillar, Inc. 2.60%, 04/09/2030		21,201

	Machinery-Diversified - 0.3%
	John Deere Capital Corp.
5,000	1.20%, 04/06/2023		5,040
5,000	1.75%, 03/09/2027		5,014
40,000	2.60%, 03/07/2024		41,891

			51,945

	Media - 2.0%
	Charter Communications Operating LLC / Charter Communications Operating Capital
20,000	2.80%, 04/01/2031		20,138
25,000	4.20%, 03/15/2028		27,674
70,000	5.13%, 07/01/2049		83,317
	Comcast Corp.
65,000	3.20%, 07/15/2036		70,808
10,000	3.40%, 04/01/2030		11,228
5,000	3.40%, 07/15/2046		5,531
10,000	4.70%, 10/15/2048		13,114
5,000	4.75%, 03/01/2044		6,484
5,000	4.95%, 10/15/2058		7,092
15,000	Cox Communications, Inc. 4.50%, 06/30/2043⁽¹⁾		16,411
	Discovery Communications LLC
30,000	3.95%, 03/20/2028		31,566
30,000	4.13%, 05/15/2029		31,520
10,000	5.30%, 05/15/2049		11,593
	ViacomCBS, Inc.
10,000	4.38%, 03/15/2043		9,737
60,000	4.95%, 01/15/2031		63,962

			410,175

	Miscellaneous Manufacturing - 0.2%
5,000	3M Co. 3.05%, 04/15/2030		5,459
20,000	General Electric Co. 3.63%, 05/01/2030		20,074
5,000	Ingersoll-Rand Luxembourg Finance S.A. 4.50%, 03/21/2049		5,868

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 15,000	Parker-Hannifin Corp. 2.70%, 06/14/2024	$	15,329

			46,730

	Oil & Gas - 0.7%
	BP Capital Markets America, Inc.
15,000	3.54%, 04/06/2027		15,812
15,000	3.63%, 04/06/2030		16,168
5,000	Canadian Natural Resources Ltd. 6.50%, 02/15/2037		4,941
10,000	EOG Resources, Inc. 4.38%, 04/15/2030		11,102
	Equinor ASA
20,000	3.63%, 04/06/2040		21,627
10,000	3.70%, 04/06/2050		11,132
	Exxon Mobil Corp.
25,000	4.23%, 03/19/2040		29,966
20,000	4.33%, 03/19/2050		24,479
5,000	Hess Corp. 5.60%, 02/15/2041		4,374
5,000	Phillips 66 3.85%, 04/09/2025		5,237
5,000	Valero Energy Corp. 2.85%, 04/15/2025		4,959

			149,797

	Pharmaceuticals - 2.4%
	AbbVie, Inc.
30,000	3.20%, 11/21/2029⁽¹⁾		31,874
45,000	4.25%, 11/21/2049⁽¹⁾		51,883
5,000	Allergan Funding SCS 4.55%, 03/15/2035		5,773
15,000	Bristol-Myers Squibb Co. 3.40%, 07/26/2029⁽¹⁾		17,164
	Cigna Corp.
5,000	2.40%, 03/15/2030		5,054
60,000	3.05%, 10/15/2027⁽¹⁾		62,730
27,000	3.75%, 07/15/2023		28,842
	CVS Health Corp.
45,000	3.00%, 08/15/2026		47,792
10,000	4.13%, 04/01/2040		11,222
30,000	5.13%, 07/20/2045		37,498
40,000	GlaxoSmithKline Capital, Inc. 3.63%, 05/15/2025		44,778
	Johnson & Johnson
30,000	2.45%, 03/01/2026		32,360
10,000	3.55%, 03/01/2036		11,773
20,000	Merck & Co., Inc. 3.40%, 03/07/2029		23,065
	Novartis Capital Corp.
30,000	2.00%, 02/14/2027		31,769
20,000	2.20%, 08/14/2030		21,216
10,000	Pfizer, Inc. 2.63%, 04/01/2030		10,860
10,000	Shire Acquisitions Investments Ireland DAC 2.88%, 09/23/2023		10,398

			486,051

	Pipelines - 1.0%
50,000	Energy Transfer Operating L.P. 3.75%, 05/15/2030		45,506
25,000	Enterprise Products Operating LLC 4.80%, 02/01/2049		27,111
	MPLX L.P.
35,000	4.13%, 03/01/2027		33,846
10,000	5.20%, 12/01/2047⁽¹⁾		9,127

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 20,000	Sunoco Logistics Partners Operations L.P. 5.30%, 04/01/2044	$	17,371
15,000	Texas Eastern Transmission L.P. 2.80%, 10/15/2022⁽¹⁾		14,850
	TransCanada PipeLines Ltd.
30,000	4.10%, 04/15/2030		32,489
20,000	4.75%, 05/15/2038		21,286

			201,586

	REITS - 0.1%
15,000	American Tower Corp. 2.40%, 03/15/2025		15,450

	Retail - 0.9%
	Alimentation Couche-Tard, Inc.
5,000	2.95%, 01/25/2030⁽¹⁾		4,894
5,000	3.80%, 01/25/2050⁽¹⁾		4,692
20,000	AutoZone, Inc. 3.63%, 04/15/2025		21,422
35,000	Costco Wholesale Corp. 1.60%, 04/20/2030		34,737
	Home Depot, Inc.
10,000	2.50%, 04/15/2027		10,576
10,000	3.35%, 09/15/2025		11,124
10,000	3.50%, 09/15/2056		11,318
10,000	Lowe’s Cos., Inc. 3.70%, 04/15/2046		10,876
	McDonald’s Corp.
5,000	3.35%, 04/01/2023		5,317
20,000	3.63%, 09/01/2049		21,890
10,000	3.70%, 02/15/2042		10,849
15,000	4.20%, 04/01/2050		17,865
10,000	Starbucks Corp. 3.80%, 08/15/2025		10,934
15,000	Walmart, Inc. 3.40%, 06/26/2023		16,195

			192,689

	Semiconductors - 1.7%
65,000	Broadcom Corp. / Broadcom Cayman Finance Ltd. 3.88%, 01/15/2027		67,761
	Broadcom, Inc.
8,000	4.25%, 04/15/2026⁽¹⁾		8,574
80,000	5.00%, 04/15/2030⁽¹⁾		89,983
	Intel Corp.
45,000	2.45%, 11/15/2029		47,672
30,000	3.25%, 11/15/2049		33,364
10,000	Lam Research Corp. 1.90%, 06/15/2030		10,000
20,000	NVIDIA Corp. 2.85%, 04/01/2030		21,792
	NXP B.V. / NXP Funding LLC
35,000	4.88%, 03/01/2024⁽¹⁾		37,997
8,000	5.35%, 03/01/2026⁽¹⁾		9,049
5,000	5.55%, 12/01/2028⁽¹⁾		5,710
	NXP B.V. / NXP Funding LLC / NXP USA, Inc.
10,000	3.15%, 05/01/2027⁽¹⁾		10,104
17,000	4.30%, 06/18/2029⁽¹⁾		18,039

			360,045

	Software - 1.0%
	Fidelity National Information Services, Inc.
15,000	3.00%, 08/15/2026		15,925
16,000	3.75%, 05/21/2029		17,961
20,000	Fiserv, Inc. 3.20%, 07/01/2026		21,416
	Microsoft Corp.
10,000	3.50%, 11/15/2042		11,859

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 20,000	4.25%, 02/06/2047	$	26,800
	Oracle Corp.
30,000	2.50%, 04/01/2025		31,562
20,000	2.65%, 07/15/2026		21,291
20,000	3.60%, 04/01/2050		22,719
15,000	3.80%, 11/15/2037		17,079
10,000	salesforce.com, Inc. 3.25%, 04/11/2023		10,657

			197,269

	Telecommunications - 1.9%
	AT&T, Inc.
25,000	3.80%, 02/15/2027		27,144
75,000	4.30%, 02/15/2030		84,328
10,000	4.35%, 06/15/2045		10,962
	T-Mobile USA, Inc.
30,000	3.50%, 04/15/2025⁽¹⁾		31,723
45,000	3.88%, 04/15/2030⁽¹⁾		49,384
15,000	4.50%, 04/15/2050⁽¹⁾		17,556
	Verizon Communications, Inc.
15,000	3.15%, 03/22/2030		16,630
5,000	4.00%, 03/22/2050		6,228
55,000	4.13%, 03/16/2027		63,841
55,000	4.13%, 08/15/2046		67,608
15,000	Vodafone Group plc 4.38%, 02/19/2043		16,902

			392,306

	Transportation - 0.8%
5,000	Burlington Northern Santa Fe LLC 3.05%, 02/15/2051		5,236
	CSX Corp.
35,000	2.40%, 02/15/2030		35,988
15,000	3.25%, 06/01/2027		16,211
	FedEx Corp.
5,000	3.30%, 03/15/2027		5,097
25,000	3.80%, 05/15/2025		26,778
25,000	4.25%, 05/15/2030		27,297
5,000	Norfolk Southern Corp. 3.40%, 11/01/2049		5,356
	Union Pacific Corp.
15,000	3.25%, 02/05/2050		15,619
20,000	4.10%, 09/15/2067		22,837

			160,419

	Water - 0.1%
	American Water Capital Corp.
5,000	2.80%, 05/01/2030		5,344
10,000	3.75%, 09/01/2028		11,294
10,000	4.15%, 06/01/2049		12,494

			29,132

	Total Corporate Bonds (cost $6,800,406)	$	6,942,682

Foreign Government Obligations - 0.0%
	Peru - 0.0%
5,000	Peruvian Government International Bond 2.39%, 01/23/2026		5,100

	Total Foreign Government Obligations (cost $5,000)	$	5,100

Municipal Bonds - 1.2%
	Development - 0.5%
25,000	California State, GO Taxable 7.30%, 10/01/2039		39,637

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 55,000	New York Transportation Dev Corp. Rev 4.25%, 09/01/2035	$	58,405

			98,042

	General - 0.5%
	County of Riverside, CA
55,000	2.96%, 02/15/2027		55,512
55,000	3.07%, 02/15/2028		55,489

			111,001

	Higher Education - 0.1%
	Marshall University, WV
10,000	2.91%, 05/01/2026		10,424
10,000	3.63%, 05/01/2034		10,657

			21,081

	Transportation - 0.1%
10,000	New York State Thruway Auth Rev 2.90%, 01/01/2035		9,811

	Total Municipal Bonds (cost $235,319)	$	239,935

U.S. Government Agencies - 39.3%
	Mortgage-Backed Agencies - 39.3%
	FHLMC - 0.6%
$ 37,941	1.13%, 12/15/2027	$	38,115
99,976	1.13%, 01/25/2030⁽⁴⁾⁽⁵⁾		8,720
41,264	1.25%, 12/15/2027		41,576
41,062	2.50%, 12/15/2042		42,611

			131,022

	FNMA - 5.2%
$ 178,179	1.25%, 02/25/2028	$	179,481
42,217	1.50%, 09/25/2027		42,790
793,337	3.00%, 03/01/2050		837,994

			1,060,265

	GNMA - 12.5%
$ 400,000	2.50%, 05/20/2050⁽⁷⁾	$	422,312
400,000	2.50%, 06/22/2050⁽⁷⁾		421,250
400,000	3.00%, 05/20/2050⁽⁷⁾		425,807
825,000	3.50%, 05/20/2050⁽⁷⁾		875,145
400,000	4.00%, 05/20/2050⁽⁷⁾		425,531

			2,570,045

	UMBS - 21.0%
$ 300,000	2.50%, 05/18/2035⁽⁷⁾	$	313,676
1,800,000	2.50%, 05/13/2050⁽⁷⁾		1,874,883
800,000	3.50%, 05/13/2050⁽⁷⁾		845,320
800,000	4.00%, 05/13/2050⁽⁷⁾		852,093
400,000	4.50%, 05/13/2050⁽⁷⁾		431,250

			4,317,222

	Total U.S. Government Agencies (cost $8,030,746)	$	8,078,554

U.S. Government Securities - 24.6%
	U.S. Treasury Securities - 24.6%
	U.S. Treasury Bonds - 10.0%
$ 528,000	2.38%, 11/15/2049⁽⁸⁾⁽⁹⁾	$	670,787
190,000	3.75%, 11/15/2043		287,954
666,000	4.63%, 02/15/2040		1,092,708

			2,051,449

	U.S. Treasury Notes - 14.6%
135,185	0.13%, 04/15/2025		138,630
20,558	1.00%, 02/15/2049⁽¹⁰⁾		27,477
1,000,000	1.38%, 01/31/2022		1,020,430
195,000	1.38%, 01/31/2025		204,430

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 1,515,000	1.50%, 01/31/2027		$	1,615,428

				3,006,395

	Total U.S. Government Securities (cost $4,793,869)		$	5,057,844

	Total Long-Term Investments (cost $23,381,237)		$	23,728,061

Short-Term Investments - 19.8%
	Other Investment Pools & Funds - 19.8%
4,078,728	Morgan Stanley Institutional Liquidity Funds, Government Portfolio, Institutional Class, 0.13%⁽¹¹⁾			4,078,728

	Total Short-Term Investments (cost $4,078,728)		$	4,078,728

	Total Investments (cost $27,459,965)	135.1%	$	27,806,789

	Other Assets & Liabilities	(35.1)%		(7,223,497	)

	Total Net Assets	100.0%	$	20,583,292

Note: Percentage of investments as shown is the ratio of the total market value to total net assets.

The Fund may refer to any one or more of the industry classifications used by one or more widely recognized market indices, ratings group and/or as defined by Fund management. Industry classifications may not be identical across all security types.

For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.

(1)

Security was purchased pursuant to Rule 144A under the Securities Act of 1933 and may be sold in transactions that are exempt from registration (typically only to qualified institutional buyers) or in a public offering registered under the Securities Act of 1933. At April 30, 2020, the aggregate value of these securities was $3,046,823, representing 14.8% of net assets.

(2)	Variable rate securities; the rate reported is the coupon rate in effect at April 30, 2020. Base lending rates may be subject to a floor or cap.

(3)	Security is a “step-up” bond where coupon increases or steps up at a predetermined date. Rate shown is current coupon rate.

(4)	Variable or floating rate security, which interest rate adjusts periodically based on changes in current interest rates and prepayments on the underlying pool of assets. Rate shown is the rate in effect as of period end.

(5)	Securities disclosed are interest-only strips.

(6)	Fixed to variable rate investment. The rate shown reflects the fixed rate in effect at April 30, 2020. Rate will reset at a future date. Base lending rates may be subject to a floor or cap.

(7)	Represents or includes a TBA transaction.

(8)	All, or a portion of the security, was pledged as collateral in connection with centrally cleared swap contracts. As of April 30, 2020, the market value of securities pledged was $66,062.

(9)	All, or a portion of the security, was pledged as collateral in connection with futures contracts. As of April 30, 2020, the market value of securities pledged was $63,521.

(10)	The principal amount for this security is adjusted for inflation and the interest payments equal a fixed percentage of the inflation-adjusted principal amount.

(11)	Current yield as of period end.

OTC Swaption Contracts Outstanding at April 30, 2020


Description	Counter- party	Exercise Price/FX Rate/ Rate			Pay/ Receive Floating Rate		Expiration Date		Notional Amount				Number of Contracts		Market Value ^†			Premiums Paid (Received) by Fund			Unrealized Appreciation/ (Depreciation)

Written swaption contracts:
Calls
CDX.NA.IG.34^*	MSC		105.00	%		Receive		05/20/20		USD	(1,030,000	)		1,030,000	$	(9,682	)	$	(7,313	)	$	(2,369	)
CDX.NA.IG.34^*	MSC		95.00	%		Receive		05/20/20		USD	(510,000	)		510,000		(2,787	)		(3,876	)		1,089

Total Calls															$	(12,469	)	$	(11,189	)	$	(1,280	)

Written swaption contracts:
Puts
CDX.NA.IG.34^*	MSC		105.00	%		Receive		05/20/20		USD	(1,030,000	)		1,030,000	$	(1,145	)	$	(3,811	)	$	2,666

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


CDX.NA.IG.34^*	MSC	95.00	%	Receive	05/20/20	USD	(510,000	)	510,000		(1,071	)		(2,193	)		1,122

Total Puts										$	(2,216	)	$	(6,004	)	$	3,788

Total written OTC swaption contracts										$	(14,685	)	$	(17,193	)	$	2,508

* Swaptions with forward premiums.

Futures Contracts Outstanding at April 30, 2020


Description	Number of Contracts		Expiration Date		Current Notional Amount		Value and Unrealized Appreciation/ (Depreciation)

Long position contracts:
U.S. Treasury 2-Year Note Future		2		06/30/2020	$	440,859	$	74

Short position contracts:
U.S. Treasury 10-Year Note Future		3		06/19/2020	$	417,188	$	354
U.S. Treasury 10-Year Ultra Future		2		06/19/2020		314,062		(2,097	)
U.S. Treasury Long Bond Future		1		06/19/2020		181,031		(627	)

Total							$	(2,370	)



Total futures contracts							$	(2,296	)

OTC Credit Default Swap Contracts Outstanding at April 30, 2020


Reference Entity	Counter- party			Notional Amount (a)		(Pay)/Receive Fixed Rate		Expiration Date		Periodic Payment Frequency		Upfront Premiums Paid		Upfront Premiums Received		Market Value ^†		Unrealized Appreciation/ (Depreciation)

Credit default swaps on indices:
Buy protection:
CMBX.NA.AAA.12		MSC	USD		210,000		(0.50%)		08/17/61		Monthly	$	1,594	$	—	$	1,983	$	389

Total OTC credit default swap contracts												$	1,594	$	—	$	1,983	$	389

(a)

The maximum potential amount the Fund could be required to pay as a seller of credit protection or receive as a buyer of credit protection if a credit event occurs as defined under the terms of that particular swap agreement.

Centrally Cleared Credit Default Swap Contracts Outstanding at April 30, 2020


Reference Entity		Notional Amount (a)		(Pay)/Receive Fixed Rate		Expiration Date		Periodic Payment Frequency		Cost Basis		Value ^†		Unrealized Appreciation/ (Depreciation)

Credit default swaps on indices issues:
Sell protection:
CDX.NA.IG.33.V1	USD		485,000		(1.00%)		12/20/24		Quarterly	$	8,312	$	6,252	$	(2,060	)

Total centrally cleared credit default swaps										$	8,312	$	6,252	$	(2,060	)

(a)

Centrally Cleared Interest Rate Swap Contracts Outstanding at April 30, 2020


Payments made by Fund	Payments received by Fund		Notional Amount			Expiration Date		Periodic Payment Frequency		Upfront Premiums Paid		Upfront Premiums Received		Value ^†			Unrealized Appreciation/ (Depreciation)

3 Mo. USD LIBOR		0.84% Fixed		USD	75,000		03/20/30		Semi-Annual	$	—	$	—	$	(1,482	)	$	(1,482	)

† For information regarding the Fund’s significant accounting policies, please refer to the Fund’s most recent shareholder report.

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


GLOSSARY: (abbreviations used in preceding Schedule of Investments)

Counterparty Abbreviations:
GSC		Goldman Sachs & Co.
MSC		Morgan Stanley

Currency Abbreviations:
USD		United States Dollar

Index Abbreviations:
CDX.NA.IG		Credit Derivatives North American Investment Grade
CMBX.NA		Markit Commercial Mortgage Backed North American

Other Abbreviations:
CLO		Collateralized Loan Obligation
CMO		Collateralized Mortgage Obligation
FHLMC		Federal Home Loan Mortgage Corp.
FNMA		Federal National Mortgage Association
GNMA		Government National Mortgage Association
LIBOR		London Interbank Offered Rate
OTC		Over-the-Counter
PAC		Planned Amortization Class
SOFR		Secured Overnight Financing Rate
TBA		To Be Announced
UMBS		Uniform Mortgage-Backed Securities

Municipal Abbreviations:
Auth		Authority
Dev		Development
GO		General Obligation
Rev		Revenue

Hartford Core Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)

Fair Valuation Summary

The following is a summary of the fair valuations according to the inputs used as of April 30, 2020 in valuing the Fund’s investments.


Description	Total			Level 1			Level 2			Level 3⁽¹⁾
Assets
Asset & Commercial Mortgage-Backed Securities	$	3,403,946		$	—		$	3,403,946		$	—
Corporate Bonds		6,942,682			—			6,942,682			—
Foreign Government Obligations		5,100			—			5,100			—
Municipal Bonds		239,935			—			239,935			—
U.S. Government Agencies		8,078,554			—			8,078,554			—
U.S. Government Securities		5,057,844			—			5,057,844			—
Short-Term Investments		4,078,728			4,078,728			—			—
Futures Contracts⁽²⁾		428			428			—			—
Swaps - Credit Default⁽²⁾		389			—			389			—

Total	$	27,807,606		$	4,079,156		$	23,728,450		$	—

Liabilities
Futures Contracts⁽²⁾	$	(2,724	)	$	(2,724	)	$	—		$	—
Swaps - Credit Default⁽²⁾		(2,060	)		—			(2,060	)		—
Swaps - Interest Rate⁽²⁾		(1,482	)		—			(1,482	)		—
Written Options		(14,685	)		—			(14,685	)		—

Total	$	(20,951	)	$	(2,724	)	$	(18,227	)	$	—

(1)	For the period ended April 30, 2020, there were no transfers in and out of Level 3.

(2)	Derivative instruments (excluding purchased and written options, if applicable) are valued at the unrealized appreciation/(depreciation) on the investments.

Hartford Municipal Opportunities ETF

Schedule of Investments

April 30, 2020 (Unaudited)


Shares or Principal Amount		Market Value^†
Municipal Bonds - 96.0%
	Alabama - 3.2%
$ 100,000	Jefferson County, AL, Board of Education 5.00%, 02/01/2042	$	116,841
90,000	Jefferson County, AL, GO 5.00%, 04/01/2024		102,351
1,000,000	Lower Alabama Gas Dist 5.00%, 09/01/2031		1,191,850
1,590,000	State of Alabama Docks Department 5.00%, 10/01/2026		1,873,545
665,000	State of Alabama, Troy University 5.00%, 11/01/2023		742,798

			4,027,385

	Arizona - 1.2%
480,000	Coconino County, AZ, Pollution Control Corp. 1.80%, 09/01/2032⁽¹⁾		480,120
185,000	Maricopa County, AZ, Industrial Dev Auth 5.00%, 09/01/2031		214,360
750,000	Maricopa County, AZ, Pollution Control Corp. 5.00%, 06/01/2035		751,447
110,000	Tempe, AZ, Industrial Dev Auth 4.00%, 10/01/2023⁽²⁾		103,014

			1,548,941

	California - 5.6%
205,000	Alameda County, Oakland, CA, Unified School Dist, GO 4.00%, 08/01/2034		223,136
145,000	California County, CA, Tobacco Securitization Agency 5.00%, 06/01/2020		145,203
	City of Los Angeles, CA, Department of Airports
1,450,000	5.00%, 05/15/2035		1,651,318
1,500,000	5.00%, 05/15/2040		1,503,180
150,000	Fresno, CA, Unified School Dist, GO 0.00%, 08/01/2032⁽³⁾		102,723
500,000	Golden State Tobacco Securitization Corp., CA 5.00%, 06/01/2032		574,135
100,000	Romoland, CA, School Dist 5.00%, 09/01/2043		108,477
1,000,000	San Francisco California City & County Airport Comm-San Francisco International Airport 5.00%, 05/01/2043		1,118,520
	San Joaquin Hills, CA, Transportation Corridor Agency
80,000	0.00%, 01/15/2026⁽³⁾		66,242
215,000	0.00%, 01/15/2032⁽³⁾		138,264
70,000	0.00%, 01/15/2035⁽³⁾		38,775
1,300,000	Tender Option Bond Trust Receipts/Certificates 0.25%, 12/01/2022⁽¹⁾⁽²⁾		1,300,000

			6,969,973

	Colorado - 1.9%
835,000	Colorado Health Facs Auth Rev 5.00%, 08/01/2044		890,770
175,000	Denver, CO, Urban Renewal Auth 5.25%, 12/01/2039⁽²⁾		161,317
1,030,000	Park Creek, CO, Metropolitan Dist Rev 5.00%, 12/01/2029		1,268,527

			2,320,614

	Connecticut - 3.0%
100,000	City of Bridgeport, CT, GO 5.00%, 07/15/2034		118,048
950,000	Connecticut Housing Finance Auth Rev 4.25%, 05/15/2042		1,022,418
320,000	Connecticut State Health & Educational Facs Auth 5.00%, 07/01/2026		336,640

Hartford Municipal Opportunities ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


	State of Connecticut, GO
$ 380,000	5.00%, 11/15/2025	$	435,556
1,000,000	5.00%, 09/15/2027		1,180,560
500,000	5.00%, 04/15/2029		581,620

			3,674,842

	District of Columbia - 0.5%
	Dist of Columbia Rev
250,000	5.00%, 07/01/2037		223,422
455,000	5.00%, 07/01/2042		390,149

			613,571

	Florida - 6.4%
270,000	Broward County, FL, Airport System Rev 4.00%, 10/01/2044		275,157
125,000	City of Atlantic Beach, FL, Health Care Facs Auth 5.00%, 11/15/2043		117,431
365,000	Escambia County, FL, Health Facs Auth Rev 4.00%, 08/15/2050		351,696
1,000,000	Greater Orlando, FL, Aviation Auth 5.00%, 10/01/2037		1,107,380
1,550,000	JEA, FL, Electric System Rev 5.00%, 10/01/2022		1,707,309
	JEA, FL, Water & Sewer System Rev
1,550,000	0.25%, 10/01/2038⁽¹⁾		1,550,000
1,500,000	0.35%, 10/01/2041⁽¹⁾		1,500,000
	Polk County, FL, Industrial Dev Auth
705,000	5.00%, 01/01/2029		723,901
190,000	5.00%, 01/01/2055		173,440
35,000	Putnam County, FL, Dev Auth 5.00%, 03/15/2042		40,646
500,000	Seminole County, FL, Industrial Dev Auth 3.75%, 11/15/2025		430,660

			7,977,620

	Georgia - 2.2%
	Burke County, GA, Dev Auth Rev
1,000,000	2.05%, 10/01/2032⁽¹⁾		1,000,310
200,000	3.00%, 11/01/2045⁽¹⁾		201,238
200,000	Main Street, GA, Natural Gas, Inc. 5.50%, 09/15/2023		220,204
	Municipal Electric Auth, GA
1,000,000	5.00%, 01/01/2028		1,098,430
215,000	5.00%, 01/01/2056		226,902

			2,747,084

	Hawaii - 0.1%
100,000	State of Hawaii Airports System Rev 5.00%, 07/01/2031		115,803

	Illinois - 14.3%
	Chicago, IL, Board of Education, GO
105,000	0.00%, 12/01/2023⁽³⁾		93,502
110,000	0.00%, 12/01/2026⁽³⁾		87,352
65,000	5.00%, 12/01/2020		65,571
250,000	5.00%, 12/01/2024		254,777
500,000	5.00%, 12/01/2028		504,685
250,000	5.00%, 04/01/2033		249,997
400,000	5.00%, 12/01/2046		366,232
	Chicago, IL, Transit Auth
1,490,000	5.00%, 12/01/2021		1,577,344
445,000	5.00%, 06/01/2024		502,748
130,000	5.25%, 12/01/2024		138,410
105,000	5.25%, 12/01/2025		111,656
	City of Chicago, IL, GO
500,000	0.00%, 01/01/2026⁽³⁾		391,995
400,000	5.00%, 01/01/2024		408,468
	City of Chicago, IL, Wastewater Transmission Rev

Hartford Municipal Opportunities ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 90,000	5.00%, 01/01/2027	$	96,721
50,000	5.50%, 01/01/2030		61,610
1,075,000	City of Decatur, IL, GO 5.00%, 03/01/2035		1,243,904
100,000	Cook County, IL, GO 5.00%, 11/15/2021		102,140
195,000	Illinois Housing Dev Auth 4.00%, 02/01/2035		200,203
	Illinois State Finance Auth Rev
235,000	5.00%, 08/15/2033		279,429
150,000	5.00%, 11/15/2045		154,461
615,000	Kane County, IL, School Dist No. 131 Aurora East Side, GO 5.00%, 12/01/2025		729,267
	Kane McHenry Cook & DeKalb Counties, IL, Unified School Dist No. 300, GO
1,000,000	5.00%, 01/01/2021		1,025,560
100,000	5.00%, 01/01/2032		119,717
150,000	Kendall Kane & Will Counties, IL, Unified School Dist, GO 0.00%, 02/01/2027⁽³⁾		131,208
205,000	Metropolitan Pier & Exposition Auth, IL 0.00%, 12/15/2025⁽³⁾		171,491
	Railsplitter, IL, Tobacco Settlement Auth
150,000	5.00%, 06/01/2022		160,797
75,000	5.25%, 06/01/2021		78,089
	Regional Transportation, IL, Auth Rev
150,000	5.00%, 06/01/2024		165,477
1,000,000	6.00%, 07/01/2024		1,120,430
	Sales Tax Securitization Corp., IL
500,000	5.00%, 01/01/2029		562,935
455,000	5.00%, 01/01/2030		521,334
985,000	5.00%, 01/01/2037		1,067,119
	State of Illinois, GO
1,040,000	5.00%, 03/01/2021		1,041,425
1,250,000	5.00%, 06/15/2022		1,283,650
450,000	5.00%, 12/01/2024		445,293
1,000,000	5.00%, 02/01/2027		973,400
115,000	5.00%, 06/15/2027		119,747
300,000	5.00%, 11/01/2027		290,649
750,000	5.25%, 12/01/2030		722,280
100,000	Village of Bolingbrook, IL, GO 5.00%, 01/01/2028		122,681

			17,743,754

	Indiana - 0.2%
282,098	City of Evansville, IN 3.00%, 06/01/2034		280,228

	Iowa - 1.4%
	Iowa Student Loan Liquidity Corp.
400,000	5.00%, 12/01/2020		406,820
350,000	5.00%, 12/01/2025		399,528
	State of Iowa, Finance Auth
215,000	2.88%, 05/15/2049		205,751
575,000	5.00%, 02/15/2027		676,378

			1,688,477

	Kentucky - 1.2%
110,000	Kentucky Bond Dev Corp. 5.00%, 09/01/2023		122,648
100,000	Kentucky Public Energy Auth 4.00%, 01/01/2049⁽¹⁾		103,902
1,250,000	Louisville, KY, Regional Airport Auth 5.00%, 07/01/2021		1,299,287

			1,525,837

	Maine - 0.3%
305,000	Finance Auth of Maine Rev 5.00%, 12/01/2021		319,378

Hartford Municipal Opportunities ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


	Maryland - 1.0%
$ 40,000	Maryland Health & Higher Educational Facs Auth 2.88%, 07/01/2023	$	39,386
1,000,000	State of Maryland, GO 5.00%, 03/15/2028		1,241,040

			1,280,426

	Massachusetts - 3.5%
1,500,000	Commonwealth of Massachusetts, GO 5.00%, 01/01/2042		1,776,765
	Massachusetts Dev Finance Agency, Rev
250,000	5.00%, 07/01/2020		251,168
660,000	5.00%, 07/01/2031		750,413
675,000	5.00%, 07/01/2034		717,516
350,000	5.00%, 07/01/2044		364,977
100,000	5.00%, 07/01/2048		108,399
380,000	5.00%, 10/01/2057⁽²⁾		342,243

			4,311,481

	Michigan - 3.6%
345,000	City of Detroit, MI, GO 5.00%, 04/01/2022		350,434
1,100,000	Michigan Finance Auth Rev 5.00%, 07/01/2035		1,259,467
	Michigan State Housing Dev Auth
1,200,000	4.25%, 06/01/2049		1,291,236
670,000	4.25%, 12/01/2049		720,813
275,000	New Haven, MI, Community Schools, GO 5.00%, 05/01/2032		337,147
500,000	Wayne County, MI, Airport Auth Rev 5.00%, 12/01/2025		568,790

			4,527,887

	Minnesota - 1.7%
	Duluth, MN, Independent School Dist No. 709
750,000	5.00%, 02/01/2022		797,887
575,000	5.00%, 02/01/2025		665,908
403,190	Freddie Mac Multifamily, MN, Certificates 2.54%, 06/25/2037		408,794
200,000	St. Francis, MN, Independent School Dist No. 15, GO 4.00%, 02/01/2030		212,110

			2,084,699

	Mississippi - 0.9%
1,000,000	State of Mississippi 5.00%, 10/15/2029		1,153,910

	Missouri - 2.6%
990,000	Bi-State Dev Agency of the Missouri-Illinois Metropolitan Dist 4.00%, 10/01/2036		1,092,317
400,000	City of St. Louis, MO, Airport Rev 5.00%, 07/01/2031		459,224
510,000	Kansas City, MO, Industrial Dev Auth 5.00%, 03/01/2032		585,694
500,000	Kirkwood, MO, Industrial Dev Auth Retirement Community 5.25%, 05/15/2042		448,300
650,000	St. Louis County, MO, Industrial Dev Auth 5.00%, 09/01/2028		626,795

			3,212,330

	Nevada - 2.3%
275,000	City of North Las Vegas, NV 4.50%, 06/01/2039		252,808
280,000	City of Reno, NV, Sales Tax Rev 5.00%, 06/01/2033		338,408
175,000	City of Sparks, NV 2.50%, 06/15/2024⁽²⁾		168,345

Hartford Municipal Opportunities ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 1,100,000	Clark County, NV, School Dist, GO 5.00%, 06/15/2021	$	1,144,847
250,000	County of Clark, NV, Passenger Facs Charge Rev 5.00%, 07/01/2028		294,722
	Las Vegas, NV, New Convention Center Auth Rev
200,000	5.00%, 07/01/2029		206,410
450,000	5.00%, 07/01/2034		473,490

			2,879,030

	New Hampshire - 0.2%
215,000	New Hampshire Health and Education Facs Auth Act Rev 5.00%, 08/01/2059		261,264

	New Jersey - 2.3%
1,000,000	City of Bayonne, NJ, GO 0.00%, 07/01/2023⁽³⁾		952,560
	New Jersey Economic Dev Auth
400,000	5.00%, 06/15/2022		408,516
150,000	5.00%, 06/15/2023		154,025
255,000	New Jersey Educational Facs Auth 5.00%, 06/01/2020		255,311
125,000	New Jersey Transportation Trust Fund Auth 5.00%, 12/15/2023		128,726
250,000	New Jersey Turnpike Auth 4.00%, 01/01/2033		264,833
	Tobacco Settlement Financing Corp., NJ
340,000	5.00%, 06/01/2024		377,587
250,000	5.00%, 06/01/2029		293,767

			2,835,325

	New Mexico - 0.2%
155,000	City of Santa Fe, NM Rev 5.00%, 05/15/2049		133,052
90,000	New Mexico Mortgage Finance Auth 4.00%, 01/01/2049		95,927

			228,979

	New York - 5.0%
485,000	City of New York, NY, GO 5.00%, 03/01/2039		579,391
480,000	Metropolitan Transportation Auth, NY, Rev 5.00%, 11/15/2020		480,192
165,000	New York City Transitional Finance Auth Future Tax Secured Rev 5.00%, 11/01/2021		168,378
	New York State Dormitory Auth Rev
1,000,000	5.00%, 02/15/2038		1,150,500
1,000,000	5.00%, 03/15/2048		1,182,814
700,000	Port Auth of New York & New Jersey Rev 5.00%, 11/01/2038		797,825
1,395,000	State of New York Mortgage Agency 3.25%, 04/01/2025		1,462,518
390,000	Syracuse, NY, Industrial Dev Agency 5.00%, 01/01/2031		350,477

			6,172,095

	North Carolina - 0.8%
	North Carolina Medical Care Commission
255,000	4.00%, 01/01/2025		249,997
395,000	5.00%, 01/01/2038		396,628
	North Carolina Medical Care Commission Retirement Finance Auth Rev, First Mortgage Galloway Ridge
145,000	5.00%, 01/01/2039		139,046
210,000	5.00%, 01/01/2044		205,987

			991,658

	Ohio - 2.9%
250,000	Allen County, OH, Hospital Facs Rev 5.00%, 12/01/2029		303,585

Hartford Municipal Opportunities ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 1,000,000	American Municipal Power, Inc., OH 2.30%, 02/15/2038⁽¹⁾	$	992,360
2,275,000	Buckeye, OH, Tobacco Settlement Finance Auth 5.00%, 06/01/2055		2,024,773
100,000	Cleveland, OH, Department of Public Utilities 5.00%, 11/15/2030		124,125
100,000	County of Lucas, OH 5.00%, 11/15/2020		101,815

			3,546,658

	Oklahoma - 1.2%
	Oklahoma Dev Finance Auth
905,000	1.63%, 07/06/2023		856,927
30,000	5.25%, 08/15/2048		30,942
30,000	5.50%, 08/15/2057		31,167
505,000	Oklahoma Housing Finance Agency 5.00%, 09/01/2043		522,109

			1,441,145

	Oregon - 0.4%
30,000	Benton & Linn Counties, OR, Consolidated School Dist No. 509J & 509A Corvallis, GO 5.00%, 06/15/2038⁽⁴⁾		36,015
20,000	Marion County, OR, School Dist No. 15 North Marion, GO 0.00%, 06/15/2037⁽³⁾		11,361
115,000	Multnomah & Clackamas Counties, OR, School Dist No. 10JT Gresham-Barlow, GO 0.00%, 06/15/2038⁽³⁾		64,739
	Salem Hospital Facs Auth, OR
40,000	5.00%, 05/15/2038		39,578
30,000	5.00%, 05/15/2048		28,483
105,000	State of Oregon Housing & Community Services Department 4.50%, 01/01/2049		113,014
170,000	State of Oregon, GO 4.00%, 12/01/2048		179,703
100,000	Washington Clackamas & Yamhill Counties, OR, School Dist No. 88J, GO 0.00%, 06/15/2034⁽³⁾		65,048

			537,941

	Pennsylvania - 6.7%
585,000	Allegheny County, PA, Airport Auth 5.00%, 01/01/2026		618,994
135,000	Armstrong, PA, School Dist, GO 4.00%, 03/15/2035		154,375
565,000	City of Philadelphia, PA, GO 5.00%, 02/01/2035		692,374
100,000	Commonwealth Finance Auth, PA 5.00%, 06/01/2027		115,751
590,000	Erie, PA, City School Dist, GO 5.00%, 04/01/2028		727,706
	Montgomery County, PA, Industrial Dev Auth Rev
230,000	5.00%, 12/01/2030		233,238
240,000	5.00%, 12/01/2044		246,629
100,000	5.00%, 12/01/2046		95,883
1,000,000	Pennsylvania Economic Dev Financing Auth 2.63%, 11/01/2021		1,017,280
	Pennsylvania Higher Educational Facs Auth
250,000	5.00%, 05/01/2025		280,220
750,000	5.00%, 05/01/2037		819,802
	Pennsylvania Housing Finance Agency
445,000	3.10%, 04/01/2023		454,456
1,445,000	4.00%, 10/01/2038		1,510,560
	Pennsylvania Turnpike Commission Rev
150,000	5.00%, 12/01/2030		179,411
95,000	5.00%, 12/01/2037		105,175

Hartford Municipal Opportunities ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 540,000	Philadelphia, PA, School Dist, GO 5.00%, 09/01/2032	$	662,062
15,000	Pittsburgh, PA, Water & Sewer Auth 5.00%, 09/01/2034		18,546
375,000	Wilkes-Barre Area, PA, School Dist, GO 5.00%, 04/15/2059		434,392

			8,366,854

	Puerto Rico - 1.2%
	Puerto Rico Sales Tax Financing Corp. Sales Tax Rev
5,400,000	0.00%, 07/01/2051⁽³⁾		938,250
625,000	5.00%, 07/01/2058		585,669

			1,523,919

	Rhode Island - 0.2%
200,000	Rhode Island Student Loan Auth 5.00%, 12/01/2027		235,976

	South Carolina - 1.8%
390,000	SCAGO Educational Facs Corp. for Pickens School Dist, SC 5.00%, 12/01/2029		451,452
1,000,000	South Carolina Jobs-Economic Dev Auth 5.00%, 05/01/2028		1,163,350
	South Carolina State Public Service Auth
500,000	5.00%, 12/01/2034		530,790
125,000	5.00%, 12/01/2050		130,705

			2,276,297

	South Dakota - 0.8%
950,000	South Dakota Housing Dev Auth 4.50%, 11/01/2048		1,028,289

	Tennessee - 1.6%
110,000	Chattanooga, TN, Health Educational & Housing Facs Board Rev 5.00%, 08/01/2044		117,347
	Tennessee Energy Acquisition Corp.
500,000	5.00%, 02/01/2022		520,560
300,000	5.00%, 02/01/2023		316,938
295,000	5.00%, 02/01/2025		320,066
455,000	5.00%, 02/01/2027		505,009
150,000	Tennessee Housing Dev Agency 4.00%, 01/01/2049		159,636

			1,939,556

	Texas - 5.8%
1,125,000	Arlington, TX, Independent School Dist, GO 5.00%, 02/15/2028		1,343,205
750,000	City of Houston, TX 0.00%, 09/01/2025⁽³⁾		669,413
555,000	City of San Antonio, TX, Electric & Gas Systems Rev 1.75%, 02/01/2049⁽¹⁾		548,812
100,000	Harris County - Houston, TX, Sports Auth 5.00%, 11/15/2020		100,414
1,085,000	Harris County, TX, Flood Control Dist Rev 5.00%, 10/01/2039		1,104,161
100,000	Kerrville, TX, Health Facs Dev Corp. 5.00%, 08/15/2024		111,840
500,000	New Hope, TX, Cultural Education Facs Finance Corp. 5.00%, 11/01/2046		437,655
300,000	North East Texas Regional Mobility Auth 5.00%, 01/01/2021		306,546
70,000	North Texas Tollway Auth Rev 6.25%, 02/01/2023		70,123
1,000,000	Rockwall, TX, Independent School Dist, GO 5.00%, 02/15/2028		1,260,190
200,000	Texas Transportation Commission 0.00%, 08/01/2038⁽³⁾		85,912

Hartford Municipal Opportunities ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 1,000,000	Wylie, TX, Independent School Dist, GO 4.00%, 08/15/2035		$	1,172,910

				7,211,181

	Utah - 2.8%
1,000,000	Salt Lake City, UT, Corp. Airport Rev 5.00%, 07/01/2029			1,163,280
590,000	Salt Lake County, UT 5.13%, 02/15/2033			672,063
1,250,000	Utah Transit Auth 5.25%, 06/15/2029			1,610,775

				3,446,118

	Washington - 1.1%
	Port of Seattle, WA
1,000,000	5.00%, 06/01/2030			1,002,310
160,000	5.50%, 09/01/2020			162,397
240,000	Washington State Housing Finance Commission 5.00%, 01/01/2055⁽²⁾			197,378

				1,362,085

	West Virginia - 0.3%
390,000	West Virginia State Economic Dev Auth 2.55%, 03/01/2040⁽¹⁾			389,914

	Wisconsin - 3.6%
	Public Finance Auth, WI
170,000	4.00%, 07/01/2050			174,731
100,000	5.00%, 09/01/2025⁽²⁾			100,433
1,000,000	5.00%, 07/01/2036			1,137,220
100,000	5.00%, 10/01/2043⁽²⁾			91,491
465,000	5.00%, 10/01/2044			517,340
700,000	5.00%, 10/01/2048⁽²⁾			627,802
1,000,000	University of Wisconsin Hospitals & Clinics 5.00%, 04/01/2030			1,149,670
	Wisconsin Health & Educational Facs Auth Rev
430,000	5.00%, 11/01/2039			383,238
410,000	5.00%, 11/01/2046			349,209

				4,531,134

	Total Municipal Bonds (cost $120,206,625)		$	119,329,658

Short-Term Investments - 1.5%
	Other Investment Pools & Funds - 1.5%
1,823,123	Morgan Stanley Institutional Liquidity Funds, Government Portfolio, Institutional Class, 0.13%⁽⁵⁾			1,823,123

	Total Short-Term Investments (cost $1,823,123)		$	1,823,123

	Total Investments (cost $122,029,748)	97.5%	$	121,152,781
	Other Assets & Liabilities	2.5%		3,117,407

	Total Net Assets	100.0%	$	124,270,188

Note: Percentage of investments as shown is the ratio of the total market value to total net assets.

For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.

(1)	Variable or floating rate security, which interest rate adjusts periodically based on changes in current interest rates and prepayments on the underlying pool of assets. Rate shown is the rate in effect as of period end.

Hartford Municipal Opportunities ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)

(2)

(3)	Security is a zero-coupon bond.

(4)	Security is a “step-up” bond where coupon increases or steps up at a predetermined date. Rate shown is current coupon rate.

(5)	Current yield as of period end.

†	For information regarding the Fund’s significant accounting policies, please refer to the Fund’s most recent shareholder report.


GLOSSARY: (abbreviations used in preceding Schedule of Investments)

Other Abbreviations:
FHLMC		Federal Home Loan Mortgage Corp.
FNMA		Federal National Mortgage Association
GNMA		Government National Mortgage Association

Municipal Abbreviations:
Auth		Authority
Dev		Development
Dist		District
Facs		Facilities
GO		General Obligation
PA		Port Authority
Rev		Revenue

Hartford Municipal Opportunities ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)

Fair Valuation Summary

The following is a summary of the fair valuations according to the inputs used as of April 30, 2020 in valuing the Fund’s investments.


Description	Total		Level 1		Level 2		Level 3⁽¹⁾
Assets
Municipal Bonds	$	119,329,658	$	—	$	119,329,658	$	—
Short-Term Investments		1,823,123		1,823,123		—		—

Total	$	121,152,781	$	1,823,123	$	119,329,658	$	—

(1)	For the period ended April 30, 2020, there were no transfers in and out of Level 3.

Hartford Schroders Tax-Aware Bond ETF

Schedule of Investments

April 30, 2020 (Unaudited)


Shares or Principal Amount		Market Value^†
Corporate Bonds - 31.6%
	Agriculture - 0.3%
$ 176,000	Altria Group, Inc. 3.80%, 02/14/2024	$	188,454

	Commercial Banks - 17.9%
284,000	Bank of New York Mellon Corp. 1.95%, 08/23/2022		289,100
431,000	Bank of Nova Scotia 2.38%, 01/18/2023		443,222
748,000	Canadian Imperial Bank of Commerce 2.61%, 07/22/2023, (2.61% fixed rate until 07/22/2022; 3 mo. USD LIBOR + 0.785% thereafter)⁽¹⁾		761,185
511,000	Capital One NA 2.15%, 09/06/2022		509,243
209,000	Fifth Third Bancorp 3.65%, 01/25/2024		220,845
409,000	HSBC Holdings plc 3.97%, 05/22/2030, (3.97% fixed rate until 05/22/2029; 3 mo. USD LIBOR + 1.610% thereafter)⁽¹⁾		448,018
	JPMorgan Chase & Co.
1,140,000	2.01%, 03/13/2026, (2.01% fixed rate until 03/13/2025; 3 mo. USD SOFR + 1.585% thereafter)⁽¹⁾		1,151,065
684,000	2.08%, 04/22/2026, (2.08% fixed rate until 04/22/2025; 3 mo. USD SOFR + 1.850% thereafter)⁽¹⁾		693,608
1,377,000	National Bank of Canada 2.10%, 02/01/2023		1,394,436
486,000	PNC Financial Services Group, Inc. 3.50%, 01/23/2024		518,868
229,000	Regions Financial Corp. 3.80%, 08/14/2023		241,769
866,000	Royal Bank of Canada 2.25%, 11/01/2024		886,653
966,000	Toronto-Dominion Bank 2.65%, 06/12/2024		1,007,364
661,000	Truist Bank 1.25%, 03/09/2023		659,633
	Truist Financial Corp.
844,000	2.20%, 03/16/2023		863,266
500,000	4.00%, 05/01/2025		550,759
354,000	Wells Fargo & Co. 3.75%, 01/24/2024		377,829

			11,016,863

	Diversified Financial Services - 1.0%
187,000	Air Lease Corp. 2.25%, 01/15/2023		173,697
448,000	Visa, Inc. 2.05%, 04/15/2030		461,584

			635,281

	Healthcare-Services - 1.0%
142,000	CommonSpirit Health 2.76%, 10/01/2024		139,447
443,000	UnitedHealth Group, Inc. 2.38%, 08/15/2024		466,448

			605,895

	Oil & Gas - 2.1%
1,214,000	Exxon Mobil Corp. 2.61%, 10/15/2030		1,266,180

	Pharmaceuticals - 2.5%
685,000	Bristol-Myers Squibb Co. 2.90%, 07/26/2024⁽²⁾		741,373

Hartford Schroders Tax-Aware Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 715,000	CVS Health Corp. 3.75%, 04/01/2030	$	794,252

			1,535,625

	Real Estate Investment Trusts - 1.8%
504,000	Boston Properties L.P. 3.40%, 06/21/2029		523,173
265,000	ERP Operating L.P. 3.00%, 07/01/2029		277,082
326,000	Ventas Realty L.P. 2.65%, 01/15/2025		310,158

			1,110,413

	Retail - 2.0%
	Home Depot, Inc.
239,000	2.13%, 09/15/2026		251,309
309,000	2.95%, 06/15/2029		335,713
629,000	McDonald’s Corp. 1.45%, 09/01/2025		627,867

			1,214,889

	Semiconductors - 0.5%
275,000	NVIDIA Corp. 3.50%, 04/01/2040		309,100

	Software - 2.1%
1,196,000	Oracle Corp. 2.80%, 04/01/2027		1,283,396

	Transportation - 0.4%
242,000	United Parcel Service, Inc. 2.20%, 09/01/2024		250,274

	Total Corporate Bonds (cost $18,830,974)	$	19,416,370

Municipal Bonds - 66.3%
	California - 3.3%
	California State, GO Taxable
95,000	5.00%, 03/01/2023		104,855
125,000	5.00%, 03/01/2024		141,973
95,000	5.00%, 03/01/2025		110,684
195,000	Chino Valley, CA, Unified School Dist, GO 5.00%, 08/01/2055⁽³⁾		234,291
135,000	MSR Public Power Agency, CA 6.00%, 07/01/2022		142,911
	Peralta, CA, Community College Dist, GO
475,000	5.00%, 08/01/2021⁽³⁾		498,631
705,000	5.00%, 08/01/2022⁽³⁾		765,968

			1,999,313

	Colorado - 1.5%
690,000	Adams County, CO, School Dist, GO 5.00%, 12/01/2029		898,056

	Connecticut - 0.5%
265,000	Connecticut Housing Finance Auth Rev 4.25%, 05/15/2042		285,201

	District of Columbia - 4.5%
895,000	Dist of Columbia Water & Sewer Auth Rev 5.00%, 10/01/2052		1,044,465
	Dist of Columbia, GO
590,000	5.00%, 10/01/2030		762,469
505,000	5.00%, 06/01/2036		601,536
340,000	Metropolitan Washington Airports Auth Dulles Toll Road Rev 5.00%, 10/01/2034		376,268

			2,784,738

	Florida - 0.9%
425,000	County of Palm Beach, FL 5.00%, 11/01/2028		452,464

Hartford Schroders Tax-Aware Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 95,000	Florida Housing Finance Corp. Rev 4.00%, 07/01/2049	$	100,939

			553,403

	Georgia - 3.5%
220,000	Georgia Municipal Association, Inc. 5.00%, 12/01/2029		272,415
	Main Street, GA, Natural Gas, Inc. Rev
435,000	4.00%, 08/01/2048⁽⁴⁾		460,621
1,320,000	4.00%, 03/01/2050⁽⁴⁾		1,413,496

			2,146,532

	Hawaii - 0.3%
170,000	State of Hawaii State Highway Fund Rev 5.00%, 01/01/2030		214,203

	Illinois - 4.3%
65,000	Chicago, IL, Metropolitan Water Reclamation Dist, GO 5.25%, 12/01/2032		84,469
	Illinois Housing Dev Auth
2,040,000	3.75%, 04/01/2050		2,170,356
145,000	4.50%, 10/01/2048		156,964
175,000	Railsplitter, IL, Tobacco Settlement Auth 5.00%, 06/01/2027		207,284

			2,619,073

	Indiana - 0.3%
150,000	Indiana Housing & Community Dev Auth 4.00%, 07/01/2048		159,467

	Iowa - 0.1%
80,000	Iowa Finance Auth 4.00%, 07/01/2048		85,171

	Kentucky - 3.8%
	Kentucky Public Energy Auth
600,000	4.00%, 12/01/2049⁽⁴⁾		635,724
1,370,000	4.00%, 02/01/2050⁽⁴⁾		1,475,668
	Kentucky State Property & Building Commission Rev
60,000	5.00%, 05/01/2024		65,986
105,000	5.00%, 08/01/2024		116,030
40,000	5.00%, 05/01/2025		44,656

			2,338,064

	Louisiana - 0.2%
40,000	Louisiana Housing Corp. Rev 4.50%, 12/01/2047		43,376
95,000	Parish of Saint John the Baptist, LA 2.10%, 06/01/2037⁽⁴⁾		83,459

			126,835

	Maine - 0.3%
185,000	Maine State Housing Auth 4.00%, 11/15/2048		197,034

	Maryland - 0.3%
185,000	Maryland Community Dev Administration Rev 4.50%, 09/01/2048		200,973

	Massachusetts - 0.5%
175,000	Commonwealth of Massachusetts, GO 0.24%, 01/01/2021⁽⁴⁾		175,000
	Massachusetts Educational Financing Auth
60,000	3.17%, 07/01/2025		61,879
45,000	3.27%, 07/01/2026		47,211
50,000	3.38%, 07/01/2027		52,261

			336,351

	Michigan - 0.5%
200,000	Lansing, MI, Board of Water & Light 5.00%, 07/01/2030		209,926

Hartford Schroders Tax-Aware Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 95,000	Michigan State Housing Dev Auth 3.75%, 06/01/2050	$	100,810

			310,736

	Missouri - 4.1%
1,310,000	Curators of The University Of Missouri 5.00%, 11/01/2030		1,723,488
	Missouri Housing Dev Commission Rev
385,000	3.88%, 05/01/2050		411,434
190,000	4.25%, 05/01/2049		204,149
165,000	4.75%, 05/01/2049		180,362

			2,519,433

	Montana - 1.7%
930,000	Montana Board of Housing 3.50%, 06/01/2050		979,458
	State of Montana, GO
30,000	5.00%, 08/01/2020		30,294
20,000	5.00%, 08/01/2021		20,969
15,000	5.00%, 08/01/2022		16,327

			1,047,048

	Nebraska - 0.6%
120,000	Nebraska Investment Finance Auth Rev 4.00%, 09/01/2048		128,118
205,000	Omaha, NE, Public Power Dist 5.00%, 02/01/2025		220,082

			348,200

	Nevada - 0.3%
155,000	Nevada Housing Division 4.00%, 10/01/2049		165,935

	New Jersey - 1.5%
	New Jersey Economic Dev Auth
160,000	5.00%, 03/01/2026		162,990
90,000	5.00%, 11/01/2026		93,416
	New Jersey Transportation Trust Fund Auth
40,000	5.00%, 06/15/2024		42,860
410,000	5.00%, 12/15/2028		424,363
175,000	Tobacco Settlement Financing Corp., NJ 5.00%, 06/01/2029		205,637

			929,266

	New Mexico - 0.2%
100,000	New Mexico Mortgage Finance Auth 4.00%, 01/01/2049		106,747

	New York - 0.3%
210,000	City of New York, NY, GO 0.17%, 04/01/2042⁽⁴⁾		210,000

	North Carolina - 1.7%
1,000,000	North Carolina Housing Finance Agency 4.00%, 07/01/2050		1,075,400

	North Dakota - 1.2%
675,000	North Dakota Housing Finance Agency 3.75%, 07/01/2050		717,687

	Ohio - 1.3%
160,000	Ohio Housing Finance Agency 4.50%, 09/01/2048		172,762
295,000	Ohio Turnpike & Infrastructure Commission Rev 0.00%, 02/15/2041⁽⁵⁾		150,845
400,000	Ohio Water Dev Auth Water Pollution Control Loan Fund 5.00%, 12/01/2044		489,604

			813,211

Hartford Schroders Tax-Aware Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


	Oklahoma - 0.4%
$ 205,000	Oklahoma Housing Finance Agency 4.00%, 03/01/2050⁽³⁾	$	221,199

	Oregon - 2.8%
915,000	City of Portland, OR, Water System Rev 5.00%, 05/01/2044		1,106,647
535,000	Multnomah County, OR, School Dist No. 1 Portland, GO 5.00%, 06/15/2025		634,290

			1,740,937

	Pennsylvania - 1.0%
110,000	Geisinger, PA, Health System Auth Rev 5.00%, 02/15/2032		128,223
480,000	Pennsylvania Housing Finance Agency 3.50%, 04/01/2049		504,216

			632,439

	Rhode Island - 2.8%
	Rhode Island Housing & Mortgage Finance Corp.
1,400,000	3.75%, 10/01/2049		1,488,620
195,000	4.00%, 10/01/2048		207,398

			1,696,018

	South Carolina - 2.5%
545,000	City of Columbia, SC, Waterworks & Sewer System Rev 5.00%, 02/01/2026		656,785
590,000	Patriots Energy Group Financing Agency, SC 4.00%, 10/01/2048⁽⁴⁾		625,542
230,000	South Carolina Jobs-Economic Dev Auth 3.75%, 01/01/2050		245,470
10,000	Tobacco Settlement Revenue Mgmt Auth, SC 6.38%, 05/15/2030		13,485

			1,541,282

	Tennessee - 2.6%
20,000	Metropolitan Gov’t Nashville & Davidson County, TN, Health & Educational Facs Bd 4.88%, 11/01/2028		22,790
	Metropolitan Nashville Airport Auth
440,000	5.00%, 07/01/2026		510,946
360,000	5.00%, 07/01/2027		424,411
390,000	5.00%, 07/01/2028		465,469
135,000	Tennessee Housing Dev Agency 4.50%, 07/01/2049		145,959

			1,569,575

	Texas - 10.8%
70,000	Bexar County, TX, Hospital Dist, GO 5.00%, 02/15/2030		87,040
110,000	Dallas-Fort Worth, TX, International Airport Rev 2.04%, 11/01/2024		109,518
250,000	Deer Park Independent School Dist, GO 5.00%, 08/15/2028		314,422
	Fort Bend, TX, Independent School Dist, GO
75,000	5.00%, 08/15/2022⁽³⁾		81,404
85,000	5.00%, 08/15/2023		95,380
45,000	5.00%, 08/15/2024		52,006
505,000	Harris County, TX, GO 5.00%, 10/01/2038		602,622
	Lower Colorado River Auth
440,000	5.00%, 05/15/2029		560,270
940,000	5.00%, 05/15/2030		1,213,343
	Northwest Independent School Dist, GO
25,000	5.00%, 02/15/2025		29,372
15,000	5.00%, 02/15/2026		18,075
85,000	5.00%, 02/15/2027		104,865
115,000	5.00%, 02/15/2028		145,018

Hartford Schroders Tax-Aware Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 75,000	5.00%, 02/15/2029		$	96,318
55,000	5.00%,02/15/2030			71,735
1,745,000	Round Rock Independent School Dist, GO 5.00%, 08/01/2028			2,217,843
	Texas Department of Housing & Community Affairs Rev
125,000	4.00%,03/01/2050			135,242
100,000	4.75%,03/01/2049			109,271
495,000	University of Texas, Permanent University Fund Rev 5.00%, 07/01/2027			595,030

				6,638,774

	Utah - 1.1%
520,000	Univ. of Utah Rev 5.00%, 08/01/2030			660,972

	Virginia - 2.0%
490,000	Fairfax County, VA, Water Auth Rev 5.00%, 04/01/2029			610,207
100,000	Virginia College Building Auth 5.00%, 02/01/2023			107,448
185,000	Virginia Commonwealth Transportation Board 5.00%, 05/15/2031			193,271
350,000	Virginia Small Business Financing Auth 0.25%, 07/01/2042⁽⁴⁾			350,000

				1,260,926

	Washington - 2.4%
200,000	Chelan County, WA, Public Utility Dist No. 1 5.00%, 07/01/2022⁽³⁾			216,848
730,000	State of Washington, GO 5.00%, 08/01/2030			938,656
285,000	Washington State Housing Finance Commission Rev 4.00%, 12/01/2048			303,978

				1,459,482

	Wyoming - 0.2%
135,000	Wyoming Community Dev Auth 4.00%, 06/01/2043			143,629

	Total Municipal Bonds (cost $40,851,913)		$	40,753,310

	Total Long-Term Investments (cost $59,682,887)		$	60,169,680

Short-Term Investments - 6.4%
	Other Investment Pools & Funds - 6.4%
3,924,345	Morgan Stanley Institutional Liquidity Funds, Treasury Portfolio, Institutional Class, 0.14%⁽⁶⁾			3,924,345

	Total Short-Term Investments (cost $3,924,345)		$	3,924,345

	Total Investments (cost $63,607,232)	104.3%	$	64,094,025
	Other Assets & Liabilities	(4.3)%		(2,627,367	)

	Total Net Assets	100.0%	$	61,466,658

Note: Percentage of investments as shown is the ratio of the total market value to total net assets.

For Fund compliance purposes, the Fund may not use the same classification system. These classifications are used for financial reporting purposes.

(1)	Fixed to variable rate investment. The rate shown reflects the fixed rate in effect at April 30, 2020. Rate will reset at a future date. Base lending rates may be subject to a floor or cap.

Hartford Schroders Tax-Aware Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)

(2)

Security was purchased pursuant to Rule 144A under the Securities Act of 1933 and may be sold in transactions that are exempt from registration (typically only to qualified institutional buyers) or in a public offering registered under the Securities Act of 1933. At April 30, 2020, the aggregate value of this security was $741,373, representing 1.2% of net assets.

(3)	This security, or a portion of this security, was purchased on a when-issued, delayed-delivery or delayed-draw basis. The cost of these securities was $2,009,520 at April 30, 2020.

(4)	Variable or floating rate security, which interest rate adjusts periodically based on changes in current interest rates and prepayments on the underlying pool of assets. Rate shown is the rate in effect as of period end.

(5)	Security is a zero-coupon bond.

(6)	Current yield as of period end.

Futures Contracts Outstanding at April 30, 2020


Description	Number of Contracts		Expiration Date	Current Notional Amount		Value and Unrealized Appreciation/ (Depreciation)


Short position contracts:
U.S. Treasury 5-Year Note Future		5	06/30/2020	$	627,422	$	186
U.S. Treasury 10-Year Note Future		43	06/19/2020		5,979,687		(46,443)
U.S. Treasury Long Bond Future		8	06/19/2020		1,448,250		(1,266)

Total						$	(47,523)



Total futures contracts						$	(47,523)

† For information regarding the Fund’s significant accounting policies, please refer to the Fund’s most recent shareholder report.


GLOSSARY: (abbreviations used in preceding Schedule of Investments)

Currency Abbreviations:
USD		United States Dollar

Other Abbreviations:
FHLMC		Federal Home Loan Mortgage Corp.
FNMA		Federal National Mortgage Association
GNMA		Government National Mortgage Association
LIBOR		London Interbank Offered Rate
SOFR		Secured Overnight Financing Rate

Municipal Abbreviations:
Auth		Authority
Dev		Development
Dist		District
Facs		Facilities
GO		General Obligation
PA		Port Authority
Rev		Revenue
VA		Veterans Administration

Hartford Schroders Tax-Aware Bond ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)

Fair Valuation Summary

The following is a summary of the fair valuations according to the inputs used as of April 30, 2020 in valuing the Fund’s investments.


Description	Total			Level 1			Level 2		Level 3⁽¹⁾
Assets
Corporate Bonds	$	19,416,370		$	—		$	19,416,370	$	—
Municipal Bonds		40,753,310			—			40,753,310		—
Short-Term Investments		3,924,345			3,924,345			—		—
Futures Contracts⁽²⁾		186			186			—		—

Total	$	64,094,211		$	3,924,531		$	60,169,680	$	—


Liabilities
Futures Contracts⁽²⁾	$	(47,709	)	$	(47,709	)	$	—	$	—

Total	$	(47,709	)	$	(47,709	)	$	—	$	—

(1)	For the period ended April 30, 2020, there were no transfers in and out of Level 3.

(2)	Derivative instruments (excluding purchased and written options, if applicable) are valued at the unrealized appreciation/(depreciation) on the investments.

Hartford Short Duration ETF

Schedule of Investments

April 30, 2020 (Unaudited)


Shares or Principal Amount		Market Value^†
Asset & Commercial Mortgage-Backed Securities - 15.2%
	Asset-Backed - Automobile - 0.3%
$ 252,382	Chesapeake Funding LLC 3.39%, 01/15/2031⁽¹⁾	$	255,693

	Asset-Backed - Finance & Insurance - 3.5%
277,900	DB Master Finance LLC 3.79%, 05/20/2049⁽¹⁾		279,781
305,000	Neuberger Berman CLO Ltd. 2.16%, 04/19/2030, 3 mo. USD LIBOR + 1.020%⁽¹⁾⁽²⁾		294,090
67,595	NRZ Excess Spread-Collateralized Notes 3.19%, 01/25/2023⁽¹⁾		67,755
160,022	OBX Trust 4.00%, 11/25/2048⁽¹⁾⁽³⁾		161,189
295,500	Planet Fitness Master Issuer LLC 4.26%, 09/05/2048⁽¹⁾		282,702
	Regional Management Issuance Trust
100,000	3.83%, 07/15/2027⁽¹⁾		97,125
275,000	4.56%, 01/18/2028⁽¹⁾		259,423
20,590	SoFi Consumer Loan Program LLC 3.28%, 01/26/2026⁽¹⁾		20,569
242,390	SoFi Consumer Loan Program Trust 2.02%, 01/25/2029⁽¹⁾		236,262
344,912	Symphony CLO Ltd. 2.26%, 07/14/2026, 3 mo. USD LIBOR + 0.950%⁽¹⁾⁽²⁾		338,118
255,362	Towd Point Mortgage Trust 2.75%, 10/25/2057⁽¹⁾⁽³⁾		258,015
	Vantage Data Centers Issuer LLC
223,500	3.19%, 07/15/2044⁽¹⁾		211,205
335,183	4.20%, 11/16/2043⁽¹⁾		328,872
336,600	Wingstop Funding LLC 4.97%, 12/05/2048⁽¹⁾		342,766

			3,177,872

	Collateralized - Mortgage Obligations - 0.1%
125,000	Natixis Commercial Mortgage Securities Trust 2.51%, 10/15/2036⁽¹⁾		125,390

	Commercial Mortgage - Backed Securities - 1.7%
	GS Mortgage Securities Trust
240,000	2.75%, 02/10/2037⁽¹⁾		232,830
375,000	2.78%, 10/10/2049		384,557
321,205	New Residential Mortgage Loan Trust 3.99%, 11/25/2048⁽¹⁾⁽³⁾		326,586
575,000	SG Commercial Mortgage Securities Trust 2.63%, 03/15/2037⁽¹⁾		568,041

			1,512,014

	Other Asset Backed Securities - 1.6%
147,363	Barings BDC Static CLO Ltd. 2.24%, 04/15/2027, 3 mo. USD LIBOR + 1.020%⁽¹⁾⁽²⁾		143,782
66,378	Finance of America Structured Securities Trust 3.28%, 04/25/2029⁽¹⁾⁽³⁾		66,421
248,397	Sapphire Aviation Finance Ltd. 3.23%, 03/15/2040⁽¹⁾		183,508
676,438	Taco Bell Funding LLC 4.32%, 11/25/2048⁽¹⁾		692,895
	Towd Point Mortgage Trust
303,453	3.25%, 07/25/2058⁽¹⁾⁽³⁾		310,500
74,334	3.75%, 05/25/2058⁽¹⁾⁽³⁾		77,103

			1,474,209

	Telecommunications - 0.4%
383,477	GCAT LLC 2.25%, 01/25/2060⁽¹⁾⁽⁴⁾		386,274

	Whole Loan Collateral CMO - 7.6%
	Angel Oak Mortgage Trust LLC

Hartford Short Duration ETF

Schedule of Investments – (continued)

April 30, 2020 (Unaudited)


$ 102,459	2.47%, 12/25/2059⁽¹⁾⁽³⁾	$	103,136
318,470	2.99%, 07/26/2049⁽¹⁾⁽³⁾		320,615
48,418	3.67%, 07/27/2048⁽¹⁾⁽³⁾		48,865
394,838	Arroyo Mortgage Trust 2.96%, 10/25/2048⁽¹⁾⁽³⁾		391,722
94,348	Bunker Hill Loan Depositary Trust 3.61%, 10/26/2048⁽¹⁾⁽⁴⁾		94,970
250,000	Colombia Cent CLO Ltd. 2.14%, 10/25/2028, 3 mo. USD LIBOR + 1.150%⁽¹⁾⁽²⁾		243,507
	COLT Mortgage Loan Trust
359,407	2.49%, 02/25/2050⁽¹⁾⁽³⁾		359,503
134,459	2.76%, 08/25/2049⁽¹⁾⁽³⁾		133,444
25,766	3.47%, 07/27/2048⁽¹⁾⁽³⁾		25,782
43,920	3.69%, 10/26/2048⁽¹⁾⁽³⁾		44,283
237,327	4.01%, 12/28/2048⁽¹⁾⁽³⁾		238,482
	CSMC Trust
231,889	2.24%, 02/25/2050⁽¹⁾⁽³⁾		227,028
163,355	4.13%, 07/25/2058⁽¹⁾⁽³⁾		160,741
	Deephaven Residential Mortgage Trust			&n