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, Q3 2022
Institutional positions in SEI Investments Co as of Sep 30, 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
- 433
- −22 vs. Q2 2022
- Shares held
- 94.3M
- −1.22M (−1.3%) vs. Q2 2022
- Total value
- $4.63B
- −$551.2M (−10.6%) vs. Q2 2022
- New holders
- 28
- 132 more added
- Sold out
- 50
- 169 more reduced
1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2022: 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, Q3 2022
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 12,082,253 | $592.6M | 0.02% | −89,220−0.7% | Reduced |
| BlackRock Inc. | 11,484,846 | $563.3M | 0.02% | −169,876−1.5% | Reduced |
| Loomis Sayles & Co L P | 11,141,096 | $546.5M | 1.11% | −411,936−3.6% | Reduced |
| State Street Corp | 6,293,623 | $308.7M | 0.02% | +52,265+0.8% | Added |
| Atlanta Capital Management Co L L C | 5,947,533 | $291.7M | 1.30% | −7,447−0.1% | Reduced |
| Beutel, Goodman & Co Ltd. | 3,865,531 | $189.6M | 1.28% | −35,030−0.9% | Reduced |
| Bank of America Corp | 3,479,995 | $170.7M | 0.02% | −129,905−3.6% | Reduced |
| Great West Life Assurance Co | 2,033,847 | $99.5M | 0.28% | −15,087−0.7% | Reduced |
| Geode Capital Management, LLC | 1,986,013 | $97.3M | 0.01% | +21,933+1.1% | Added |
| Royce & Associates LP | 1,454,070 | $71.3M | 0.81% | +6,105+0.4% | Added |
| Bank of New York Mellon Corp | 1,348,443 | $66.1M | 0.02% | +89,432+7.1% | Added |
| Boston Trust Walden Corp | 1,185,096 | $58.1M | 0.58% | +13,662+1.2% | Added |
| Dimensional Fund Advisors LP | 1,156,256 | $56.7M | 0.02% | +22,179+2.0% | Added |
| Northern Trust Corp | 1,095,921 | $53.8M | 0.01% | −17,389−1.6% | Reduced |
| Tandem Investment Advisors, Inc. | 926,515 | $45.4M | 2.59% | +243,522+35.7% | Added |
| Legal & General Group Plc | 865,784 | $42.5M | 0.02% | −34,198−3.8% | Reduced |
| Royal Bank of Canada | 851,389 | $41.8M | 0.01% | −77,458−8.3% | Reduced |
| Morgan Stanley | 846,208 | $41.5M | 0.01% | +125,837+17.5% | Added |
| American Century Companies Inc | 832,152 | $40.8M | 0.04% | +225,717+37.2% | Added |
| Natixis Advisors, L.P. | 787,875 | $38.6M | 0.16% | −20,195−2.5% | Reduced |
| Charles Schwab Investment Management Inc | 626,528 | $30.7M | 0.01% | +17,488+2.9% | Added |
| Ameriprise Financial Inc | 606,982 | $30.0M | 0.01% | −60,936−9.1% | Reduced |
| AQR Capital Management LLC | 600,498 | $29.5M | 0.07% | +85,503+16.6% | Added |
| Norges Bank | 575,922 | $28.2M | 0.01% | −69,011−10.7% | Reduced |
| UBS Asset Management Americas Inc | 567,061 | $27.8M | 0.02% | +82,431+17.0% | Added |
| American Capital Management Inc | 563,509 | $27.6M | 1.09% | −34,375−5.7% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 559,200 | $27.4M | 0.40% | 00.0% | Unchanged |
| Invesco Ltd. | 550,106 | $27.0M | 0.01% | −5,996−1.1% | Reduced |
| Goldman Sachs Group Inc | 502,744 | $24.7M | 0.01% | −91,631−15.4% | Reduced |
| Brown Advisory Inc | 502,405 | $24.6M | 0.05% | +37,975+8.2% | Added |
| ProShare Advisors LLC | 490,349 | $24.1M | 0.09% | +65,093+15.3% | Added |
| JPMorgan Chase & Co | 449,464 | $22.0M | 0.00% | +117,156+35.3% | Added |
| Ceredex Value Advisors LLC | 432,555 | $21.2M | 0.35% | −8,821−2.0% | Reduced |
| Amundi | 410,426 | $20.9M | 0.01% | +141,009+52.3% | Added |
| Principal Financial Group Inc | 411,388 | $20.2M | 0.02% | −2,174−0.5% | Reduced |
| First Trust Advisors LP | 406,791 | $20.0M | 0.03% | +46,770+13.0% | Added |
| Renaissance Technologies LLC | 403,126 | $19.8M | 0.03% | +60,800+17.8% | Added |
| Raymond James & Associates | 346,323 | $17.0M | 0.02% | +994+0.3% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 340,345 | $16.7M | 0.01% | −1,680−0.5% | Reduced |
| Rhumbline Advisers | 328,459 | $16.1M | 0.02% | +4,000+1.2% | Added |
| Eaton Vance Management | 311,445 | $15.3M | 0.02% | −373−0.1% | Reduced |
| Victory Capital Management Inc | 305,568 | $15.0M | 0.02% | +23,641+8.4% | Added |
| Nuveen Asset Management, LLC | 301,253 | $14.8M | 0.01% | +3,912+1.3% | Added |
| AustralianSuper Pty Ltd | 296,360 | $14.5M | 0.11% | +42,326+16.7% | Added |
| JLB & Associates Inc | 293,786 | $14.4M | 2.56% | +1,816+0.6% | Added |
| Citigroup Inc | 291,467 | $14.3M | 0.02% | +113,390+63.7% | Added |
| Retirement Systems of Alabama | 281,509 | $13.8M | 0.06% | −2,618−0.9% | Reduced |
| New York State Common Retirement Fund | 256,494 | $12.6M | 0.02% | −16,212−5.9% | Reduced |
| Hendershot Investments Inc. | 256,502 | $12.6M | 2.37% | −4,832−1.8% | Reduced |
| UBS Group AG | 252,665 | $12.4M | 0.01% | −4,377−1.7% | Reduced |
| Man Group plc | 250,824 | $12.3M | 0.06% | – | – |
| California Public Employees Retirement System | 242,167 | $11.9M | 0.01% | +55,301+29.6% | Added |
| TD Asset Management Inc | 221,842 | $11.2M | 0.01% | +66,747+43.0% | Added |
| Envestnet Asset Management Inc | 218,192 | $10.7M | 0.01% | +4,530+2.1% | Added |
| PGGM Investments | 216,461 | $10.6M | 0.19% | +216,461 | New |
| Deutsche Bank AG | 215,232 | $10.6M | 0.01% | +81,264+60.7% | Added |
| FMR LLC | 201,758 | $9.90M | 0.00% | −34,365−14.6% | Reduced |
| River Road Asset Management, LLC | 200,699 | $9.84M | 0.15% | −10,541−5.0% | Reduced |
| Truist Financial Corp | 195,743 | $9.60M | 0.02% | −2,536−1.3% | Reduced |
| Leith Wheeler Investment Counsel Ltd. | 189,315 | $9.29M | 1.56% | +8,200+4.5% | Added |
| Credit Suisse AG | 188,955 | $9.27M | 0.01% | −7,315−3.7% | Reduced |
| Voloridge Investment Management, LLC | 179,605 | $8.81M | 0.05% | +25,420+16.5% | Added |
| California State Teachers Retirement System | 178,975 | $8.78M | 0.01% | −4,028−2.2% | Reduced |
| KBC Group NV | 169,211 | $8.30M | 0.04% | +28,518+20.3% | Added |
| American International Group, Inc. | 162,494 | $7.97M | 0.06% | −9,865−5.7% | Reduced |
| Hahn Capital Management LLC | 162,350 | $7.96M | 2.23% | −4,007−2.4% | Reduced |
| Schroder Investment Management Group | 161,618 | $7.93M | 0.01% | −582,711−78.3% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 157,096 | $7.71M | 0.06% | +27,341+21.1% | Added |
| Alliancebernstein L.P. | 156,698 | $7.69M | 0.00% | −3,788−2.4% | Reduced |
| State Board of Administration of Florida Retirement System | 150,322 | $7.37M | 0.02% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 146,022 | $7.16M | 0.02% | −6,426−4.2% | Reduced |
| Teacher Retirement System of Texas | 145,016 | $7.11M | 0.05% | −14,955−9.3% | Reduced |
| Janney Montgomery Scott LLC | 142,376 | $6.98M | 0.03% | −1,771−1.2% | Reduced |
| State of Alaska, Department of Revenue | 136,699 | $6.71M | 0.09% | +30,688+28.9% | Added |
| Franklin Resources Inc | 126,025 | $6.18M | 0.00% | +20,148+19.0% | Added |
| Russell Investments Group, Ltd. | 124,506 | $6.12M | 0.01% | +88,480+245.6% | Added |
| Southernsun Asset Management, LLC | 120,085 | $5.89M | 0.73% | +3,569+3.1% | Added |
| Korea Investment CORP | 119,677 | $5.87M | 0.02% | +22,738+23.5% | Added |
| RSM US Wealth Management LLC | 115,800 | $5.68M | 0.33% | +470.0% | Added |
| Parsec Financial Management, Inc. | 115,301 | $5.66M | 0.28% | +21,966+23.5% | Added |
| Ensign Peak Advisors, Inc | 110,154 | $5.40M | 0.01% | +41,905+61.4% | Added |
| Thrivent Financial for Lutherans | 109,149 | $5.35M | 0.01% | −56,960−34.3% | Reduced |
| Davis R M Inc | 106,499 | $5.22M | 0.15% | −22,867−17.7% | Reduced |
| Bank of Montreal | 101,644 | $5.20M | 0.00% | +731+0.7% | Added |
| Qube Research & Technologies Ltd | 104,797 | $5.14M | 0.03% | +101,054+2,699.8% | Added |
| Banco Santander, S.A. | 101,627 | $4.99M | 0.07% | −1,003−1.0% | Reduced |
| Brandywine Global Investment Management, LLC | 99,703 | $4.89M | 0.05% | −1,302−1.3% | Reduced |
| Thrive Wealth Management, LLC | 95,723 | $4.70M | 1.64% | +4,249+4.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 85,847 | $4.64M | 0.06% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 91,237 | $4.47M | 0.02% | −5,920−6.1% | Reduced |
| Andra AP-fonden | 87,800 | $4.31M | 0.14% | −31,900−26.6% | Reduced |
| AXA S.A. | 85,411 | $4.19M | 0.02% | −3,029−3.4% | Reduced |
| Manufacturers Life Insurance Company, The | 84,761 | $4.16M | 0.00% | −4,161−4.7% | Reduced |
| Mutual of America Capital Management LLC | 82,737 | $4.06M | 0.05% | −4,515−5.2% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 81,253 | $3.99M | 0.01% | −891−1.1% | Reduced |
| Court Place Advisors, LLC | 78,636 | $3.86M | 1.55% | −2,291−2.8% | Reduced |
| CWM, LLC | 78,373 | $3.84M | 0.03% | +2,351+3.1% | Added |
| Barclays PLC | 75,951 | $3.73M | 0.00% | −9,321−10.9% | Reduced |
| Amalgamated Bank | 75,038 | $3.68M | 0.04% | −260−0.3% | Reduced |
| Susquehanna Fundamental Investments, LLC | 74,453 | $3.65M | 0.06% | +74,453 | New |