SEI Investments (SEIC) Institutional Ownership

$106.93 +0.16 (+0.15%)

Closing price 09/11/2026 04:00 PM Eastern

Extended Trading

$106.96 +0.02 (+0.02%)

As of 09/11/2026 07:30 PM Eastern

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Current Institutional Ownership Percentage: 70.59%
Number of Institutional Buyers (last 12 months): 336
Total Institutional Inflows (last 12 months): $3.30B

Number of Institutional Sellers (last 12 months): 198
Total Institutional Outflows (last 12 months): $540.65M

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SEIC Institutional Buying and Selling by Quarter

SEI Investments Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
9/9/2026	Sequoia Financial Advisors LLC	12,812	$1.12M	0.0%	-19.0%	0.011%
9/9/2026	Tidal Investments LLC	226,700	$19.88M	0.0%	+40.4%	0.189%
9/9/2026	Archford Capital Strategies LLC	12,175	$1.07M	0.1%	N/A	0.010%
9/9/2026	Engineers Gate Manager LP	38,836	$3.41M	0.0%	-11.8%	0.032%
9/9/2026	Integrated Wealth Concepts LLC	2,130	$187K	0.0%	-76.8%	0.002%
9/9/2026	NewEdge Advisors LLC	5,730	$503K	0.0%	+17.1%	0.005%
9/9/2026	IFP Advisors Inc	2,841	$249K	0.0%	+30.4%	0.002%
9/9/2026	Squarepoint Ops LLC	4,464	$392K	0.0%	N/A	0.004%
9/8/2026	Allworth Financial LP	878	$77K	0.0%	-40.6%	0.001%
9/8/2026	Arizona State Retirement System	27,829	$2.44M	0.0%	-2.6%	0.023%
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9/8/2026	Nykredit A S	3,303	$290K	0.0%	N/A	0.003%
8/27/2026	Corient Private Wealth LP	102,534	$8.99M	0.0%	+11.1%	0.085%
8/26/2026	Amundi	193,135	$16.94M	0.0%	+2.4%	0.161%
8/26/2026	HighTower Advisors LLC	12,435	$1.09M	0.0%	-4.6%	0.010%
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	6,800	$596K	0.0%	N/A	0.006%
8/24/2026	California State Teachers Retirement System	10,288,383	$902.39M	0.0%	+8,074.1%	8.572%
8/23/2026	Readystate Asset Management LP	18,797	$1.65M	0.1%	N/A	0.016%
8/23/2026	Wedmont Private Capital	2,174	$208K	0.0%	N/A	0.002%
8/22/2026	AlphaGrep UK Ltd	2,336	$205K	0.1%	N/A	0.002%
8/22/2026	Syon Capital LLC	4,729	$415K	0.0%	+19.3%	0.004%
8/22/2026	TD Waterhouse Canada Inc.	62,601	$5.64M	0.0%	-1.7%	0.052%
8/21/2026	iSAM Funds UK Ltd	7,400	$649K	0.5%	N/A	0.006%
8/21/2026	Nykredit A S	3,303	$290K	0.0%	N/A	0.003%
8/21/2026	Legacy Financial Advisors Inc.	4,396	$386K	0.0%	-2.6%	0.004%
8/20/2026	Two Sigma Securities LLC	18,722	$1.64M	0.1%	N/A	0.016%
8/20/2026	Northwestern Mutual Wealth Management Co.	1,920	$168K	0.0%	+7.4%	0.002%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	216,054	$18.95M	0.0%	-52.6%	0.180%
8/19/2026	Van ECK Associates Corp	102,923	$9.03M	0.0%	-3.1%	0.086%
8/19/2026	Hsbc Holdings PLC	70,381	$6.15M	0.0%	-15.7%	0.059%
8/18/2026	United Capital Financial Advisors LLC	5,451	$478K	0.0%	N/A	0.005%
8/18/2026	Caitlin John LLC	636	$56K	0.0%	N/A	0.001%
8/18/2026	Public Employees Retirement System of Ohio	47,868	$4.20M	0.0%	N/A	0.040%
8/17/2026	Redwood Investment Management LLC	13,366	$1.17M	0.1%	N/A	0.011%
8/17/2026	Corient Private Wealth LP	99,506	$8.73M	0.0%	N/A	0.083%
8/17/2026	Azora Capital LP	443,189	$38.87M	1.6%	N/A	0.369%
8/17/2026	Bank of America Corp DE	2,908,071	$255.07M	0.0%	N/A	2.423%
8/15/2026	American Capital Management Inc.	745,323	$65.37M	2.9%	N/A	0.621%
8/15/2026	Freestone Grove Partners LP	6,603	$579K	0.0%	N/A	0.006%
8/15/2026	Caisse de depot et placement du Quebec	1,002,445	$87.92M	0.1%	N/A	0.835%
8/15/2026	Man Group plc	87,503	$7.68M	0.0%	N/A	0.073%
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8/15/2026	Polar Asset Management Partners Inc.	44,075	$3.87M	0.1%	N/A	0.037%
8/15/2026	Jupiter Topco LLC	45,122	$3.96M	0.0%	N/A	0.038%
8/14/2026	Hsbc Holdings PLC	70,381	$6.15M	0.0%	N/A	0.059%
8/14/2026	Royal Capital Wealth Management LLC	3,000	$263K	0.1%	N/A	0.002%
8/14/2026	Legal & General Group Plc	136,376	$11.96M	0.0%	N/A	0.114%
8/14/2026	The Manufacturers Life Insurance Company	70,000	$6.14M	0.0%	N/A	0.058%
8/13/2026	Sanctuary Advisors LLC	48,143	$4.22M	0.0%	N/A	0.040%
8/13/2026	Connor Clark & Lunn Investment Management Ltd.	421,046	$36.93M	0.1%	N/A	0.351%
8/13/2026	Globeflex Capital L P	7,624	$669K	0.1%	N/A	0.006%
8/12/2026	Foyston Gordon & Payne Inc	157,958	$13.94M	3.0%	N/A	0.132%
8/12/2026	Commerce Bank	10,661	$935K	0.0%	N/A	0.009%
8/12/2026	Northwestern Mutual Wealth Management Co.	1,920	$168K	0.0%	N/A	0.002%
8/12/2026	Quantbot Technologies LP	12,202	$1.07M	0.0%	N/A	0.010%
8/12/2026	EP Wealth Advisors LLC	2,835	$249K	0.0%	N/A	0.002%
8/12/2026	Bard Associates Inc.	1,207	$106K	0.0%	N/A	0.001%
8/12/2026	Callan Family Office LLC	32,957	$2.89M	0.1%	N/A	0.027%
8/11/2026	Keating Financial Advisory Services Inc.	795	$70K	0.0%	N/A	0.001%
8/11/2026	Allworth Financial LP	878	$77K	0.0%	N/A	0.001%
8/11/2026	Portfolio Design Labs LLC	9,249	$811K	0.1%	N/A	0.008%
8/11/2026	Vise Technologies Inc.	5,824	$511K	0.0%	N/A	0.005%
8/10/2026	Csenge Advisory Group	2,310	$203K	0.0%	N/A	0.002%
8/8/2026	Oxbow Advisors LLC	42,099	$3.69M	0.3%	N/A	0.035%
8/8/2026	JLB & Associates Inc.	261,576	$22.94M	3.1%	N/A	0.218%
8/8/2026	Meeder Advisory Services Inc.	2,657	$233K	0.0%	N/A	0.002%
8/7/2026	BlackRock Inc.	9,927,545	$870.75M	0.0%	N/A	8.272%
8/7/2026	Deutsche Bank AG	22,316	$1.96M	0.0%	N/A	0.019%
8/7/2026	Simplicity Wealth LLC	6,410	$562K	0.0%	N/A	0.005%
8/7/2026	HBK Sorce Advisory LLC	51,793	$5.43M	0.1%	N/A	0.043%
8/6/2026	Northstar Financial Companies Inc.	3,727	$327K	0.2%	N/A	0.003%
8/6/2026	Global Retirement Partners LLC	4,017	$352K	0.0%	N/A	0.003%
8/6/2026	Bank of New York Mellon Corp	894,194	$78.43M	0.0%	N/A	0.745%
8/6/2026	Focus Partners Advisor Solutions LLC	7,644	$670K	0.0%	N/A	0.006%
8/6/2026	State of Wyoming	3,454	$303K	0.0%	N/A	0.003%
7/9/2026	Harrell Investment Partners LLC	9,707	$851K	0.2%	+2.6%	0.008%
7/9/2026	Hennion & Walsh Asset Management Inc.	17,942	$1.57M	0.0%	-1.7%	0.015%
7/8/2026	Elevation Wealth Partners LLC	309	$27K	0.0%	+96.8%	0.000%
7/8/2026	Thrive Wealth Management LLC	73,935	$6.49M	0.8%	-3.7%	0.062%
7/7/2026	GAMMA Investing LLC	7,179	$630K	0.0%	-2.8%	0.006%
7/7/2026	Harbor Investment Advisory LLC	747	$66K	0.0%	+87.2%	0.001%
7/2/2026	Versant Capital Management Inc	2,139	$188K	0.0%	+12.6%	0.002%
7/2/2026	CX Institutional	532	$47K	0.0%	+44.6%	0.000%
6/18/2026	Pacer Advisors Inc.	10,954	$860K	0.0%	-1.6%	0.009%
6/3/2026	Parallel Advisors LLC	17,159	$1.35M	0.0%	-17.6%	0.014%
6/3/2026	NewEdge Advisors LLC	4,894	$384K	0.0%	+7.6%	0.004%
5/28/2026	Henshaw Capital LLC	43,101	$3.38M	0.1%	+0.6%	0.036%
5/26/2026	Glenmede Trust Co. NA	12,296	$965K	0.0%	+1.2%	0.010%
5/21/2026	Front Street Capital Management Inc.	1,330	$104K	0.0%	+17.8%	0.001%
5/19/2026	Western Wealth Management LLC	552	$43K	0.0%	N/A	0.000%
5/19/2026	Bank of America Corp DE	2,920,506	$229.17M	0.0%	-0.1%	2.428%
5/18/2026	Amundi	188,563	$14.80M	0.0%	+1,025.9%	0.157%
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5/18/2026	EverSource Wealth Advisors LLC	3,540	$278K	0.0%	+39.2%	0.003%
5/18/2026	California State Teachers Retirement System	125,866	$9.88M	0.0%	+27.1%	0.105%
5/18/2026	Royal Bank of Canada	416,650	$32.69M	0.0%	-31.8%	0.346%
5/16/2026	American Capital Management Inc.	768,615	$60.31M	3.2%	+33.7%	0.639%
5/16/2026	The Manufacturers Life Insurance Company	70,686	$5.55M	0.0%	-1.7%	0.059%
5/16/2026	Quantinno Capital Management LP	382,361	$30.00M	0.1%	+265.6%	0.318%
5/16/2026	SummitTX Capital L.P.	8,162	$640K	0.0%	-68.9%	0.007%
5/16/2026	Lazard Asset Management LLC	38,037	$2.99M	0.0%	+85.2%	0.032%
5/15/2026	Gateway Wealth Partners LLC	7,122	$559K	0.0%	N/A	0.006%
5/14/2026	Renaissance Technologies LLC	399,826	$31.37M	0.0%	+0.7%	0.332%

SEIC Institutional Ownership - Frequently Asked Questions

During the previous two years, 614 institutional investors and hedge funds held shares of SEI Investments. The most heavily invested institutionals were Vanguard Group Inc. ($908.07M), California State Teachers Retirement System ($902.39M), BlackRock Inc. ($870.75M), Loomis Sayles & Co. L P ($717.24M), Morgan Stanley ($416.27M), State Street Corp ($353.49M), and Bank of America Corp DE ($255.07M).Learn more on SEI Investments' institutional investors.

70.59% of SEI Investments' stock is owned by institutional investors. Learn more on SEIC's institutional investor holdings.

Of the 540 institutional investors that purchased SEI Investments' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: California State Teachers Retirement System ($10.19M), BlackRock Inc. ($9.93M), Bank of America Corp DE ($3.04M), Norges Bank ($1.85M), Caisse DE Depot ET Placement DU Quebec ($1.84M), Azora Capital LP ($1.44M), and Raymond James Financial Inc. ($1.06M).

Institutional investors have bought a total of 38,255,046 shares in the last 24 months. This purchase volume represents approximately $3.30B in transactions.

Of the 198 institutional investors that sold SEI Investments' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($669.48K), Royal Bank of Canada ($534.43K), Morgan Stanley ($518.56K), State Street Corp ($462.42K), Boston Trust Walden Corp ($329.94K), Royce & Associates LP ($323.17K), and Millennium Management LLC ($284.05K).

Institutional investors have sold a total of 6,524,943 shares in the last 24 months. This volume of shares sold represents approximately $540.65M in transactions.

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Institutional ownership data for NASDAQ:SEIC is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.

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SEI Investments (SEIC) Institutional Ownership

SEIC Institutional Buying and Selling by Quarter

SEI Investments Major Shareholders & Ownership History

SEIC Institutional Ownership - Frequently Asked Questions

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SEI Investments (SEIC) Institutional Ownership

Institutional Ownership Changes (13F Filings) for SEI Investments (NASDAQ:SEIC)

SEIC Institutional Buying and Selling by Quarter

SEI Investments Major Shareholders & Ownership History

SEIC Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of SEIC shares?

What percentage of SEI Investments' stock is owned by institutional investors?

Which institutional investors have been buying SEI Investments' stock?

How much institutional buying is happening at SEI Investments?

Which of SEI Investments' major shareholders have been selling company stock?

How much institutional selling is happening at SEI Investments?

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