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, Q2 2024
Institutional positions in SEI Investments Co as of Jun 30, 2024. 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
- 493
- +22 vs. Q1 2024
- Shares held
- 93.0M
- −926.0K (−1.0%) vs. Q1 2024
- Total value
- $6.02B
- −$732.1M (−10.8%) vs. Q1 2024
- New holders
- 56
- 179 more added
- Sold out
- 34
- 167 more reduced
4 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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, Q2 2024
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Martingale Asset Management L P | 106,706 | $6.90M | 0.15% | +9,593+9.9% | Added |
| Crestwood Advisors Group LLC | 108,750 | $7.04M | 0.15% | −140.0% | Reduced |
| West Coast Financial LLC | 116,128 | $7.51M | 0.89% | +63,537+120.8% | Added |
| Jupiter Asset Management Ltd | 120,372 | $7.79M | 0.07% | +120,372 | New |
| Advisor Group Holdings, Inc. | 120,409 | $7.79M | 0.02% | +125+0.1% | Added |
| Corebridge Financial, Inc. | 126,313 | $8.17M | 0.04% | +126,313 | New |
| Bank of Montreal | 125,035 | $8.24M | 0.00% | +5,445+4.6% | Added |
| New York State Teachers Retirement System | 132,082 | $8.54M | 0.02% | −6,156−4.5% | Reduced |
| Andra AP-fonden | 135,800 | $8.78M | 0.15% | +42,500+45.6% | Added |
| UBS Group AG | 136,432 | $8.83M | 0.00% | +5,345+4.1% | Added |
| Truist Financial Corp | 141,145 | $9.13M | 0.01% | −6,186−4.2% | Reduced |
| State Board of Administration of Florida Retirement System | 141,784 | $9.17M | 0.02% | −9,443−6.2% | Reduced |
| Robeco Institutional Asset Management B.V. | 142,974 | $9.25M | 0.02% | +29,107+25.6% | Added |
| Norges Bank | 143,529 | $9.28M | 0.00% | −172,483−54.6% | Reduced |
| California State Teachers Retirement System | 146,164 | $9.46M | 0.01% | −2,326−1.6% | Reduced |
| Alliancebernstein L.P. | 148,946 | $9.64M | 0.00% | −16,001−9.7% | Reduced |
| Allianz Asset Management GmbH | 150,052 | $9.71M | 0.02% | +34,554+29.9% | Added |
| Qube Research & Technologies Ltd | 151,448 | $9.80M | 0.02% | −168,842−52.7% | Reduced |
| Two Sigma Advisers, LP | 151,500 | $9.80M | 0.02% | −107,400−41.5% | Reduced |
| Korea Investment CORP | 151,875 | $9.82M | 0.02% | −20,251−11.8% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 155,147 | $10.0M | 0.02% | +9,611+6.6% | Added |
| Alps Advisors Inc | 156,757 | $10.1M | 0.07% | +21,490+15.9% | Added |
| Victory Capital Management Inc | 160,275 | $10.4M | 0.01% | +13,903+9.5% | Added |
| Danske Bank A/S | 161,348 | $10.4M | 0.04% | +4,940+3.2% | Added |
| California Public Employees Retirement System | 164,210 | $10.6M | 0.01% | −1,442−0.9% | Reduced |
| Teacher Retirement System of Texas | 166,493 | $10.8M | 0.06% | +5,358+3.3% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 173,200 | $11.2M | 0.11% | 00.0% | Unchanged |
| Prana Capital Management, LP | 177,527 | $11.5M | 0.55% | +10,036+6.0% | Added |
| Barclays PLC | 182,175 | $11.8M | 0.01% | −75,316−29.2% | Reduced |
| Vestcor Inc | 188,149 | $12.2M | 0.41% | 00.0% | Unchanged |
| TD Asset Management Inc | 189,869 | $12.3M | 0.01% | +5,723+3.1% | Added |
| Millennium Management LLC | 192,388 | $12.4M | 0.01% | −94,824−33.0% | Reduced |
| PGGM Investments | 194,510 | $12.6M | 0.18% | −842−0.4% | Reduced |
| Renaissance Technologies LLC | 196,426 | $12.7M | 0.02% | −78,100−28.4% | Reduced |
| Citigroup Inc | 197,366 | $12.8M | 0.01% | −18,274−8.5% | Reduced |
| State of Alaska, Department of Revenue | 198,835 | $12.9M | 0.14% | 00.0% | Unchanged |
| Interval Partners, LP | 200,230 | $13.0M | 0.38% | −804−0.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 201,787 | $13.1M | 0.03% | +4,676+2.4% | Added |
| Arrowstreet Capital, Limited Partnership | 207,442 | $13.4M | 0.01% | −45,834−18.1% | Reduced |
| Thrivent Financial for Lutherans | 210,101 | $13.6M | 0.03% | −232,951−52.6% | Reduced |
| Leith Wheeler Investment Counsel Ltd. | 218,906 | $14.2M | 1.22% | +1,600+0.7% | Added |
| Balyasny Asset Management LLC | 219,513 | $14.2M | 0.04% | +146,306+199.9% | Added |
| Man Group plc | 226,149 | $14.6M | 0.04% | +37,949+20.2% | Added |
| New York State Common Retirement Fund | 244,854 | $15.8M | 0.02% | −850.0% | Reduced |
| FMR LLC | 253,089 | $16.4M | 0.00% | +27,961+12.4% | Added |
| Ophir Asset Management Pty Ltd | 254,623 | $16.5M | 2.92% | −160,632−38.7% | Reduced |
| Nuveen Asset Management, LLC | 256,880 | $16.6M | 0.00% | −13,405−5.0% | Reduced |
| Goldman Sachs Group Inc | 261,763 | $16.9M | 0.00% | +40,662+18.4% | Added |
| Amundi | 260,697 | $17.1M | 0.01% | −3,347−1.3% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 271,517 | $17.6M | 0.01% | −8,433−3.0% | Reduced |
| Franklin Resources Inc | 272,053 | $17.6M | 0.01% | +48,239+21.6% | Added |
| Retirement Systems of Alabama | 282,240 | $18.3M | 0.07% | −1,948−0.7% | Reduced |
| JLB & Associates Inc | 285,802 | $18.5M | 2.50% | −641−0.2% | Reduced |
| American Capital Management Inc | 304,324 | $19.7M | 0.66% | −1,285−0.4% | Reduced |
| American Century Companies Inc | 311,459 | $20.1M | 0.01% | +21,632+7.5% | Added |
| Principal Financial Group Inc | 342,180 | $22.1M | 0.01% | −42,191−11.0% | Reduced |
| Rhumbline Advisers | 344,928 | $22.3M | 0.02% | +553+0.2% | Added |
| HSBC Holdings PLC | 347,063 | $22.5M | 0.01% | −32,545−8.6% | Reduced |
| Deutsche Bank AG | 354,752 | $22.9M | 0.01% | −6,068−1.7% | Reduced |
| Acadian Asset Management LLC | 356,286 | $23.0M | 0.07% | −78,768−18.1% | Reduced |
| Royal Bank of Canada | 361,651 | $23.4M | 0.01% | −187,796−34.2% | Reduced |
| AQR Capital Management LLC | 367,089 | $23.7M | 0.04% | +41,108+12.6% | Added |
| Envestnet Asset Management Inc | 381,372 | $24.7M | 0.01% | +4,656+1.2% | Added |
| KBC Group NV | 387,740 | $25.1M | 0.08% | +3,320+0.9% | Added |
| Voloridge Investment Management, LLC | 393,594 | $25.5M | 0.09% | +220,027+126.8% | Added |
| Ameriprise Financial Inc | 405,072 | $26.2M | 0.01% | +27,973+7.4% | Added |
| Caisse de Depot Et Placement du Quebec | 413,639 | $26.8M | 0.06% | −114,814−21.7% | Reduced |
| Tandem Investment Advisors, Inc. | 433,078 | $28.0M | 1.11% | −288,192−40.0% | Reduced |
| JPMorgan Chase & Co | 447,092 | $28.9M | 0.00% | +10,707+2.5% | Added |
| ProShare Advisors LLC | 465,011 | $30.1M | 0.08% | +2,698+0.6% | Added |
| Raymond James & Associates | 524,631 | $33.9M | 0.02% | +24,058+4.8% | Added |
| UBS Asset Management Americas Inc | 535,611 | $34.6M | 0.01% | +124,889+30.4% | Added |
| Charles Schwab Investment Management Inc | 667,500 | $43.2M | 0.01% | +15,105+2.3% | Added |
| Natixis Advisors, L.P. | 675,275 | $43.7M | 0.09% | −3,054−0.5% | Reduced |
| Azora Capital LP | 819,875 | $53.0M | 3.03% | +199,093+32.1% | Added |
| Brown Advisory Inc | 840,954 | $54.4M | 0.07% | +142,228+20.4% | Added |
| Legal & General Group Plc | 875,879 | $56.7M | 0.02% | −16,912−1.9% | Reduced |
| First Trust Advisors LP | 896,716 | $58.0M | 0.06% | −156,649−14.9% | Reduced |
| Citadel Advisors LLC | 912,849 | $59.1M | 0.06% | −171,281−15.8% | Reduced |
| Northern Trust Corp | 1,006,553 | $65.1M | 0.01% | +75,719+8.1% | Added |
| Bank of New York Mellon Corp | 1,186,439 | $76.8M | 0.01% | +36,810+3.2% | Added |
| Boston Trust Walden Corp | 1,296,342 | $83.9M | 0.62% | −3,738−0.3% | Reduced |
| Dimensional Fund Advisors LP | 1,380,311 | $89.3M | 0.02% | +222,631+19.2% | Added |
| Royce & Associates LP | 1,463,578 | $94.7M | 0.89% | −807−0.1% | Reduced |
| Geode Capital Management, LLC | 2,219,726 | $143.4M | 0.01% | +118,850+5.7% | Added |
| Invesco Ltd. | 2,395,105 | $154.9M | 0.03% | +23,684+1.0% | Added |
| Bank of America Corp | 3,037,016 | $196.5M | 0.02% | −12,712−0.4% | Reduced |
| Beutel, Goodman & Co Ltd. | 4,056,859 | $262.4M | 1.39% | +38,512+1.0% | Added |
| Morgan Stanley | 5,947,415 | $384.7M | 0.03% | −2,0440.0% | Reduced |
| State Street Corp | 6,111,320 | $395.3M | 0.02% | +289,228+5.0% | Added |
| Loomis Sayles & Co L P | 9,442,405 | $610.8M | 0.84% | +75,101+0.8% | Added |
| BlackRock Inc. | 11,493,443 | $743.5M | 0.02% | −221,137−1.9% | Reduced |
| Vanguard Group Inc | 11,838,103 | $765.8M | 0.01% | −5,4920.0% | Reduced |
| American International Group, Inc. | 0 | $0 | 0.00% | −131,974−100.0% | Sold out |
| Texas Permanent School Fund | 0 | $0 | 0.00% | −87,252−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −61,530−100.0% | Sold out |
| Vontobel Holding Ltd. | 0 | $0 | 0.00% | −49,490−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −31,581−100.0% | Sold out |
| Investment Management Corp of Ontario | 0 | $0 | 0.00% | −27,163−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −17,057−100.0% | Sold out |