Tortoise Index Solutions 13F-HR Quarterly holdings report by institutional manager

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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COLUMN 1	COLUMN 2	COLUMN 3	COLUMN 4	COLUMN 5			COLUMN 6	COLUMN 7	COLUMN 8
			VALUE	SHRS OR	SH/	PUT/	INVESTMENT	OTHER	VOTING AUTHORITY
NAME OF ISSUER	TITLE OF CLASS	CUSIP	(x$1000)	PRN AMT	PRN	CALL	DISCRETION	MANAGER	SOLE	SHARED	NONE
A O SMITH	cs	831865209	1,793	32,793	SH		SOLE		32,793	0	0
Aci Worldwide Inc	cs	004498101	117	4,526	SH		SOLE		4,526	0	0
Affirm Holdings, Inc.	cs	00827B106	134	7,396	SH		SOLE		7,396	0	0
American Express Co	cs	025816109	334	2,410	SH		SOLE		2,410	0	0
American States Water Company	cs	029899101	751	9,217	SH		SOLE		9,217	0	0
AMERICAN WTR WKS CO INC	cs	030420103	3,886	26,124	SH		SOLE		26,124	0	0
Antero Midstream Corporation	cs	03676B102	6,650	734,785	SH		SOLE		734,785	0	0
Archrock, Inc.	cs	03957W106	2,522	304,991	SH		SOLE		304,991	0	0
Aris Water Solution Inc	cs	04041L106	77	4,609	SH		SOLE		4,609	0	0
Atmos Energy Corp	cs	049560105	23,546	210,049	SH		SOLE		210,049	0	0
Badger Meter, Inc.	cs	056525108	590	7,299	SH		SOLE		7,299	0	0
BigCommerce Holdings, Inc.	cs	08975P108	36	2,229	SH		SOLE		2,229	0	0
Block Inc	cs	852234103	290	4,718	SH		SOLE		4,718	0	0
California Water Service Group	cs	130788102	729	13,128	SH		SOLE		13,128	0	0
Cantaloupe Inc	cs	138103106	13	2,319	SH		SOLE		2,319	0	0
Cass Information Systems Inc	cs	14808P109	18	530	SH		SOLE		530	0	0
Cheniere Energy Inc.	cs	16411R208	34,974	262,903	SH		SOLE		262,903	0	0
Cheniere Energy Partners LP	lp	16411Q101	2,004	44,660	SH		SOLE		44,660	0	0
Chesapeake Utilities Corporation	cs	165303108	5,187	40,039	SH		SOLE		40,039	0	0
Core & Main Inc	cs	21874C102	317	14,212	SH		SOLE		14,212	0	0
Crestwood Equity Partners LP	lp	226344208	1,589	65,991	SH		SOLE		65,991	0	0
CrossAmerica Partners LP	lp	22758A105	340	16,797	SH		SOLE		16,797	0	0
Csg Systems International Inc	cs	126349109	75	1,262	SH		SOLE		1,262	0	0
DCP Midstream LP	lp	23311P100	2,503	84,615	SH		SOLE		84,615	0	0
Delek Logistics Partners LP	lp	24664T103	371	7,615	SH		SOLE		7,615	0	0
Discover Financial Services	cs	254709108	343	3,624	SH		SOLE		3,624	0	0
Docusign Inc	cs	256163106	255	4,438	SH		SOLE		4,438	0	0
DT Midstream Inc	cs	23345M107	4,377	89,288	SH		SOLE		89,288	0	0
Ecolab Inc.	cs	278865100	3,751	24,397	SH		SOLE		24,397	0	0
Enbridge Inc	cs	29250N105	40,750	964,264	SH		SOLE		964,264	0	0
Energy Recovery Inc	cs	29270J100	184	9,482	SH		SOLE		9,482	0	0
Energy Transfer LP	lp	29273V100	19,701	1,974,042	SH		SOLE		1,974,042	0	0
Enlink Midstream, LLC	lp	29336T100	4,915	578,177	SH		SOLE		578,177	0	0
Enterprise Products Partners L.P.	lp	293792107	32,263	1,323,902	SH		SOLE		1,323,902	0	0
Equitrans Midstream Corporation	cs	294600101	5,843	918,766	SH		SOLE		918,766	0	0
Essential Utilities Inc	cs	29670G102	2,091	45,598	SH		SOLE		45,598	0	0
Euronet Worldwide Inc	cs	298736109	193	1,921	SH		SOLE		1,921	0	0
Evertec Inc	cs	30040P103	105	2,839	SH		SOLE		2,839	0	0
Evo Payments Inc	cs	26927E104	44	1,872	SH		SOLE		1,872	0	0
Evoqua Water Technologies Corp	cs	30057T105	980	30,157	SH		SOLE		30,157	0	0
Fidelity National Information	cs	31620M106	353	3,855	SH		SOLE		3,855	0	0
Fiserv Inc	cs	337738108	355	3,994	SH		SOLE		3,994	0	0
Fleetcor Technologies Inc	cs	339041105	340	1,618	SH		SOLE		1,618	0	0
Franklin Electric Co Inc	cs	353514102	713	9,733	SH		SOLE		9,733	0	0
Genesis Energy L.P.	lp	371927104	816	101,789	SH		SOLE		101,789	0	0
Global Partners LP	lp	37946R109	590	25,095	SH		SOLE		25,095	0	0
Global Payments Inc	cs	37940X102	346	3,131	SH		SOLE		3,131	0	0
Global-E Online Ltd	cs	M5216V106	61	3,014	SH		SOLE		3,014	0	0
Green Dot Corp	cs	39304D102	47	1,890	SH		SOLE		1,890	0	0
Hess Midstream LP	cs	428103105	1,091	38,977	SH		SOLE		38,977	0	0
Holly Energy Partners, L.P.	lp	435763107	671	41,845	SH		SOLE		41,845	0	0
IDEX Corporation	cs	45167R104	1,992	10,969	SH		SOLE		10,969	0	0
Jack Henry & Associates Inc	cs	426281101	387	2,147	SH		SOLE		2,147	0	0
Kinder Morgan Inc	cs	49456B101	36,354	2,169,102	SH		SOLE		2,169,102	0	0
Kinetik Holdings Inc	cs	02215L209	1,457	42,678	SH		SOLE		42,678	0	0
Lendingclub Corp	cs	52603A208	47	3,984	SH		SOLE		3,984	0	0
Lindsay Corporation	cs	535555106	364	2,738	SH		SOLE		2,738	0	0
Magellan Midstream Partners, L.P.	lp	559080106	9,324	195,227	SH		SOLE		195,227	0	0
Marqeta Inc	cs	57142B104	140	17,308	SH		SOLE		17,308	0	0
MasterCard Incorporated	cs	57636Q104	348	1,104	SH		SOLE		1,104	0	0
Middlesex Water Co	cs	596680108	383	4,367	SH		SOLE		4,367	0	0
Mitek Systems Inc.	cs	606710200	16	1,701	SH		SOLE		1,701	0	0
Montrose Environmental Group	cs	615111101	224	6,624	SH		SOLE		6,624	0	0
MPLX LP	lp	55336V100	10,075	345,632	SH		SOLE		345,632	0	0
Mueller Water Products, Inc.	cs	624758108	459	39,136	SH		SOLE		39,136	0	0
National Fuel Gas Co	cs	636180101	13,643	206,559	SH		SOLE		206,559	0	0
Ncr Corp	cs	62886E108	162	5,219	SH		SOLE		5,219	0	0
New Fortress Energy Inc.	cs	644393100	3,710	93,755	SH		SOLE		93,755	0	0
New Jersey Resources Corporation	cs	646025106	9,670	217,165	SH		SOLE		217,165	0	0
Nisource Inc	cs	65473P105	23,001	779,946	SH		SOLE		779,946	0	0
Northwest Natural Holding Co.	cs	66765N105	4,108	77,364	SH		SOLE		77,364	0	0
NuStar Energy L.P.	lp	67058H102	1,268	90,590	SH		SOLE		90,590	0	0
Nuvei Corp	cs	67079A102	93	2,584	SH		SOLE		2,584	0	0
ONE Gas, Inc.	cs	68235P108	9,918	122,163	SH		SOLE		122,163	0	0
ONEOK, Inc	cs	682680103	19,608	353,292	SH		SOLE		353,292	0	0
Onespan Inc	cs	68287N100	17	1,409	SH		SOLE		1,409	0	0
Pagseguro Digital Ltd	cs	G68707101	83	8,057	SH		SOLE		8,057	0	0
Paymentus Holdings Inc	cs	70439P108	8	586	SH		SOLE		586	0	0
Paypal Holdings Inc	cs	70450Y103	319	4,569	SH		SOLE		4,569	0	0
PBF Logistics LP	lp	69318Q104	348	22,516	SH		SOLE		22,516	0	0
Pembina Pipeline Corp	cs	706327103	20,265	573,308	SH		SOLE		573,308	0	0
PENTAIR INC	cs	G7S00T104	1,890	41,293	SH		SOLE		41,293	0	0
Plains All American Pipeline	lp	726503105	4,139	421,469	SH		SOLE		421,469	0	0
Plains GP Holdings, L.P.	cs	72651A207	1,849	179,166	SH		SOLE		179,166	0	0
Q2 Holdings Inc	cs	74736L109	84	2,187	SH		SOLE		2,187	0	0
Qiwi Plc	ad	74735M108	10	1,766	SH		SOLE		1,766	0	0
Rattler Midstream Partners LP	lp	75419T103	481	35,203	SH		SOLE		35,203	0	0
Select Energy Services Inc.	cs	81617J301	115	16,917	SH		SOLE		16,917	0	0
Shell Midstream Partners LP	lp	822634101	1,583	112,527	SH		SOLE		112,527	0	0
Sjw Corp	cs	784305104	427	6,848	SH		SOLE		6,848	0	0
South Jersey Industries, Inc.	cs	838518108	9,438	276,460	SH		SOLE		276,460	0	0
Southwest Gas Corporation	cs	844895102	13,148	150,986	SH		SOLE		150,986	0	0
Spire Inc	cs	84857L101	8,755	117,720	SH		SOLE		117,720	0	0
Sprague Resources, LP	lp	849343108	106	5,583	SH		SOLE		5,583	0	0
Stoneco Ltd	cs	G85158106	69	9,019	SH		SOLE		9,019	0	0
Sunoco LP	lp	86765K109	1,900	51,010	SH		SOLE		51,010	0	0
Targa Resources Corp.	cs	87612G101	18,572	311,238	SH		SOLE		311,238	0	0
TC Energy Corp.	cs	87807B107	40,102	774,011	SH		SOLE		774,011	0	0
Tetra Tech, Inc.	cs	88162G103	1,840	13,475	SH		SOLE		13,475	0	0
The York Water Co	cs	987184108	132	3,271	SH		SOLE		3,271	0	0
USA Compression Partners LP	lp	90290N109	764	45,712	SH		SOLE		45,712	0	0
VISA Inc	cs	92826C839	369	1,874	SH		SOLE		1,874	0	0
Watts Water Technologies, Inc.	cs	942749102	845	6,877	SH		SOLE		6,877	0	0
Western Midstream Partners LP	lp	958669103	4,343	178,653	SH		SOLE		178,653	0	0
Western Union Co/The	cs	959802109	252	15,301	SH		SOLE		15,301	0	0
Wex Inc	cs	96208T104	275	1,768	SH		SOLE		1,768	0	0
WILLIAMS COS	cs	969457100	37,871	1,213,421	SH		SOLE		1,213,421	0	0
Xylem Inc.	cs	98419M100	2,644	33,820	SH		SOLE		33,820	0	0
Zuora Inc	cs	98983V106	43	4,821	SH		SOLE		4,821	0	0
Zurn Elkay Water Solutions Corp	cs	98983L108	855	31,388	SH		SOLE		31,388	0	0