SEI Investments Co
SEIC- Exchange
- Nasdaq
- Industry
- Security Brokers, Dealers & Flotation Companies
- SEC CIK
- 0000350894
In the last 90 days, SEI Investments Co insiders filed 0 open-market purchases and 10 sales; 575 institutions reported holding it in 13F filings for Q2 2026, worth $7.94B in total; Markel Group is the only superinvestor holding it.
13F holders, Q1 2022
Institutional positions in SEI Investments Co as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 465
- −3 vs. Q4 2021
- Shares held
- 96.4M
- −910.9K (−0.9%) vs. Q4 2021
- Total value
- $5.81B
- −$126.9M (−2.1%) vs. Q4 2021
- New holders
- 42
- 164 more added
- Sold out
- 45
- 159 more reduced
4 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SEIC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 575 | $7.94B |
| Q1 2026 | 569 | $7.06B |
| Q4 2025 | 562 | $7.31B |
| Q3 2025 | 550 | $7.51B |
| Q2 2025 | 564 | $8.09B |
| Q1 2025 | 546 | $7.27B |
| Q4 2024 | 540 | $7.52B |
| Q3 2024 | 502 | $6.35B |
| Q2 2024 | 493 | $6.02B |
| Q1 2024 | 475 | $6.77B |
| Q4 2023 | 491 | $5.90B |
| Q3 2023 | 462 | $5.63B |
| Q2 2023 | 458 | $5.53B |
| Q1 2023 | 444 | $5.36B |
| Q4 2022 | 446 | $5.45B |
| Q3 2022 | 433 | $4.63B |
| Q2 2022 | 456 | $5.18B |
| Q1 2022 | 465 | $5.81B |
| Q4 2021 | 472 | $5.94B |
| Q3 2021 | 446 | $5.73B |
| Q2 2021 | 440 | $6.04B |
| Q1 2021 | 443 | $5.97B |
Institutions, Q1 2022
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Davis R M Inc | 172,520 | $10.4M | 0.25% | −54,776−24.1% | Reduced |
| Hahn Capital Management LLC | 175,729 | $10.6M | 2.28% | −6,433−3.5% | Reduced |
| American International Group, Inc. | 178,267 | $10.7M | 0.06% | −975−0.5% | Reduced |
| River Road Asset Management, LLC | 181,365 | $10.9M | 0.12% | +181,365 | New |
| California State Teachers Retirement System | 184,833 | $11.1M | 0.01% | −13,501−6.8% | Reduced |
| Voloridge Investment Management, LLC | 197,966 | $11.9M | 0.07% | +70,414+55.2% | Added |
| California Public Employees Retirement System | 204,695 | $12.3M | 0.01% | −23,244−10.2% | Reduced |
| FMR LLC | 205,481 | $12.4M | 0.00% | +3,215+1.6% | Added |
| Truist Financial Corp | 206,693 | $12.4M | 0.02% | +2,370+1.2% | Added |
| Crestwood Advisors Group LLC | 223,353 | $13.4M | 0.38% | 00.0% | Unchanged |
| UBS Group AG | 224,651 | $13.5M | 0.01% | −80,902−26.5% | Reduced |
| Envestnet Asset Management Inc | 229,692 | $13.8M | 0.01% | +9,201+4.2% | Added |
| Thrivent Financial for Lutherans | 230,951 | $13.9M | 0.03% | −450−0.2% | Reduced |
| Victory Capital Management Inc | 251,454 | $14.0M | 0.01% | +60,271+31.5% | Added |
| AustralianSuper Pty Ltd | 250,324 | $15.1M | 0.09% | +77,751+45.1% | Added |
| New York State Common Retirement Fund | 255,522 | $15.4M | 0.02% | +506+0.2% | Added |
| Hendershot Investments Inc. | 264,734 | $15.9M | 2.44% | +13,479+5.4% | Added |
| Reinhart Partners, Inc. | 278,230 | $16.8M | 0.81% | −1,392−0.5% | Reduced |
| Retirement Systems of Alabama | 284,761 | $17.1M | 0.06% | −18,423−6.1% | Reduced |
| Invesco Ltd. | 287,119 | $17.3M | 0.00% | −220,051−43.4% | Reduced |
| JLB & Associates Inc | 292,904 | $17.6M | 2.64% | +2,686+0.9% | Added |
| Rhumbline Advisers | 305,738 | $18.4M | 0.02% | −6,674−2.1% | Reduced |
| Royal Bank of Canada | 306,221 | $18.4M | 0.00% | +103,523+51.1% | Added |
| Nuveen Asset Management, LLC | 308,471 | $18.6M | 0.01% | +2,820+0.9% | Added |
| Eaton Vance Management | 314,602 | $18.9M | 0.02% | +23,811+8.2% | Added |
| Morgan Stanley | 315,121 | $19.0M | 0.00% | +30,714+10.8% | Added |
| Man Group plc | 323,886 | $19.5M | 0.07% | −39,623−10.9% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 327,344 | $19.7M | 0.01% | −13,963−4.1% | Reduced |
| Goodnow Investment Group, LLC | 333,355 | $20.1M | 2.12% | +2,440+0.7% | Added |
| Raymond James & Associates | 347,417 | $20.9M | 0.02% | +33,489+10.7% | Added |
| PGGM Investments | 346,225 | $21.1M | 0.11% | 00.0% | Unchanged |
| Principal Financial Group Inc | 371,703 | $22.4M | 0.01% | −5,042−1.3% | Reduced |
| ProShare Advisors LLC | 399,213 | $24.0M | 0.05% | +56,138+16.4% | Added |
| JPMorgan Chase & Co | 408,652 | $24.6M | 0.00% | +145,432+55.3% | Added |
| Brown Advisory Inc | 433,860 | $26.1M | 0.04% | −182,960−29.7% | Reduced |
| Parametric Portfolio Associates LLC | 444,370 | $26.8M | 0.01% | +20,063+4.7% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 445,200 | $26.8M | 0.32% | +14,000+3.2% | Added |
| UBS Asset Management Americas Inc | 490,839 | $29.6M | 0.01% | −15,674−3.1% | Reduced |
| Ceredex Value Advisors LLC | 497,000 | $29.9M | 0.36% | +497,000 | New |
| AQR Capital Management LLC | 574,872 | $34.6M | 0.07% | −130,824−18.5% | Reduced |
| Charles Schwab Investment Management Inc | 603,946 | $36.4M | 0.01% | +18,969+3.2% | Added |
| Millennium Management LLC | 615,533 | $37.1M | 0.05% | −380,168−38.2% | Reduced |
| Goldman Sachs Group Inc | 675,312 | $40.7M | 0.01% | −79,221−10.5% | Reduced |
| American Capital Management Inc | 706,322 | $42.5M | 1.25% | −48,616−6.4% | Reduced |
| Norges Bank | 759,001 | $45.7M | 0.01% | −207,498−21.5% | Reduced |
| Natixis Advisors, L.P. | 813,858 | $49.0M | 0.19% | −37,196−4.4% | Reduced |
| Legal & General Group Plc | 936,090 | $56.4M | 0.02% | +61,406+7.0% | Added |
| Schroder Investment Management Group | 972,164 | $59.6M | 0.08% | −122,551−11.2% | Reduced |
| Dimensional Fund Advisors LP | 1,096,139 | $66.0M | 0.02% | +12,447+1.1% | Added |
| Ameriprise Financial Inc | 1,105,341 | $66.4M | 0.02% | +42,107+4.0% | Added |
| Boston Trust Walden Corp | 1,139,330 | $68.6M | 0.57% | +143,693+14.4% | Added |
| Northern Trust Corp | 1,155,674 | $69.6M | 0.01% | −19,819−1.7% | Reduced |
| Bank of New York Mellon Corp | 1,229,388 | $74.0M | 0.01% | +31,845+2.7% | Added |
| Royce & Associates LP | 1,387,594 | $83.5M | 0.71% | +8,286+0.6% | Added |
| First Trust Advisors LP | 1,418,169 | $85.4M | 0.09% | +41,915+3.0% | Added |
| Geode Capital Management, LLC | 1,796,224 | $108.0M | 0.01% | −147,585−7.6% | Reduced |
| Great West Life Assurance Co | 2,020,748 | $128.3M | 0.27% | +40,984+2.1% | Added |
| Bank of America Corp | 3,608,412 | $217.3M | 0.02% | −86,505−2.3% | Reduced |
| Beutel, Goodman & Co Ltd. | 3,792,881 | $228.4M | 1.29% | +968,459+34.3% | Added |
| Atlanta Capital Management Co L L C | 5,981,635 | $360.2M | 1.33% | −337,407−5.3% | Reduced |
| State Street Corp | 6,143,049 | $369.9M | 0.02% | +452,434+8.0% | Added |
| BlackRock Inc. | 11,645,954 | $701.2M | 0.02% | +260,417+2.3% | Added |
| Vanguard Group Inc | 12,009,242 | $723.1M | 0.02% | −56,613−0.5% | Reduced |
| Loomis Sayles & Co L P | 12,723,177 | $766.1M | 1.02% | −448,160−3.4% | Reduced |
| Longfellow Investment Management Co LLC | 5 | – | – | 00.0% | Unchanged |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −60,572−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −58,564−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −24,239−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −18,979−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −17,770−100.0% | Sold out |
| Salem Investment Counselors Inc | 0 | $0 | 0.00% | −14,608−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −14,540−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −11,445−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −10,557−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −10,890−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −10,730−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −9,911−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −9,157−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −7,242−100.0% | Sold out |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −6,280−100.0% | Sold out |
| Diversified Trust Co | 0 | $0 | 0.00% | −6,002−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −5,992−100.0% | Sold out |
| Old Mission Capital LLC | 0 | $0 | 0.00% | −5,862−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −5,731−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −5,581−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −5,172−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −4,837−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −4,797−100.0% | Sold out |
| Leavell Investment Management, Inc. | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |
| Petrus Trust Company, LTA | 0 | $0 | 0.00% | −4,186−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −4,161−100.0% | Sold out |
| Alphasimplex Group, LLC | 0 | $0 | 0.00% | −3,921−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −3,921−100.0% | Sold out |
| Pluribus Labs, LLC | 0 | $0 | 0.00% | −3,797−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −3,566−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −3,395−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −3,321−100.0% | Sold out |
| Modera Wealth Management, LLC | 0 | $0 | 0.00% | −3,307−100.0% | Sold out |
| Mairs & Power Inc | 0 | $0 | 0.00% | −3,300−100.0% | Sold out |
| Venturi Wealth Management, LLC | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |