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 |
|---|---|---|---|---|---|
| Ceredex Value Advisors LLC | 432,555 | $21.2M | 0.35% | −8,821−2.0% | Reduced |
| JPMorgan Chase & Co | 449,464 | $22.0M | 0.00% | +117,156+35.3% | Added |
| ProShare Advisors LLC | 490,349 | $24.1M | 0.09% | +65,093+15.3% | Added |
| Brown Advisory Inc | 502,405 | $24.6M | 0.05% | +37,975+8.2% | Added |
| Goldman Sachs Group Inc | 502,744 | $24.7M | 0.01% | −91,631−15.4% | Reduced |
| Invesco Ltd. | 550,106 | $27.0M | 0.01% | −5,996−1.1% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 559,200 | $27.4M | 0.40% | 00.0% | Unchanged |
| American Capital Management Inc | 563,509 | $27.6M | 1.09% | −34,375−5.7% | Reduced |
| UBS Asset Management Americas Inc | 567,061 | $27.8M | 0.02% | +82,431+17.0% | Added |
| Norges Bank | 575,922 | $28.2M | 0.01% | −69,011−10.7% | Reduced |
| AQR Capital Management LLC | 600,498 | $29.5M | 0.07% | +85,503+16.6% | Added |
| Ameriprise Financial Inc | 606,982 | $30.0M | 0.01% | −60,936−9.1% | Reduced |
| Charles Schwab Investment Management Inc | 626,528 | $30.7M | 0.01% | +17,488+2.9% | Added |
| Natixis Advisors, L.P. | 787,875 | $38.6M | 0.16% | −20,195−2.5% | Reduced |
| American Century Companies Inc | 832,152 | $40.8M | 0.04% | +225,717+37.2% | Added |
| Morgan Stanley | 846,208 | $41.5M | 0.01% | +125,837+17.5% | Added |
| Royal Bank of Canada | 851,389 | $41.8M | 0.01% | −77,458−8.3% | Reduced |
| Legal & General Group Plc | 865,784 | $42.5M | 0.02% | −34,198−3.8% | Reduced |
| Tandem Investment Advisors, Inc. | 926,515 | $45.4M | 2.59% | +243,522+35.7% | Added |
| Northern Trust Corp | 1,095,921 | $53.8M | 0.01% | −17,389−1.6% | Reduced |
| Dimensional Fund Advisors LP | 1,156,256 | $56.7M | 0.02% | +22,179+2.0% | Added |
| Boston Trust Walden Corp | 1,185,096 | $58.1M | 0.58% | +13,662+1.2% | Added |
| Bank of New York Mellon Corp | 1,348,443 | $66.1M | 0.02% | +89,432+7.1% | Added |
| Royce & Associates LP | 1,454,070 | $71.3M | 0.81% | +6,105+0.4% | Added |
| Geode Capital Management, LLC | 1,986,013 | $97.3M | 0.01% | +21,933+1.1% | Added |
| Great West Life Assurance Co | 2,033,847 | $99.5M | 0.28% | −15,087−0.7% | Reduced |
| Bank of America Corp | 3,479,995 | $170.7M | 0.02% | −129,905−3.6% | Reduced |
| Beutel, Goodman & Co Ltd. | 3,865,531 | $189.6M | 1.28% | −35,030−0.9% | Reduced |
| Atlanta Capital Management Co L L C | 5,947,533 | $291.7M | 1.30% | −7,447−0.1% | Reduced |
| State Street Corp | 6,293,623 | $308.7M | 0.02% | +52,265+0.8% | Added |
| Loomis Sayles & Co L P | 11,141,096 | $546.5M | 1.11% | −411,936−3.6% | Reduced |
| BlackRock Inc. | 11,484,846 | $563.3M | 0.02% | −169,876−1.5% | Reduced |
| Vanguard Group Inc | 12,082,253 | $592.6M | 0.02% | −89,220−0.7% | Reduced |
| Eagle Bay Advisors LLC | 0 | $0 | 0.00% | 0 | Sold out |
| Goodnow Investment Group, LLC | 0 | $0 | 0.00% | −247,005−100.0% | Sold out |
| U.S. Capital Wealth Advisors, LLC | 0 | $0 | 0.00% | −71,618−100.0% | Sold out |
| State of Tennessee, Treasury Department | 0 | $0 | 0.00% | −58,820−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −38,080−100.0% | Sold out |
| USS Investment Management Ltd | 0 | $0 | 0.00% | −33,083−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −33,085−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −31,589−100.0% | Sold out |
| Cipher Capital LP | 0 | $0 | 0.00% | −21,017−100.0% | Sold out |
| Cypress Capital, LLC | 0 | $0 | 0.00% | −17,964−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −17,700−100.0% | Sold out |
| APG Asset Management N.V. | 0 | $0 | 0.00% | −17,516−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −14,422−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −11,181−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −10,768−100.0% | Sold out |
| EagleClaw Capital Managment, LLC | 0 | $0 | 0.00% | −9,617−100.0% | Sold out |
| Abbot Financial Management, Inc. | 0 | $0 | 0.00% | −8,900−100.0% | Sold out |
| Pearl River Capital, LLC | 0 | $0 | 0.00% | −7,995−100.0% | Sold out |
| Maryland State Retirement & Pension System | 0 | $0 | 0.00% | −7,488−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −6,613−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −6,292−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −6,160−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −5,725−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −5,170−100.0% | Sold out |
| DGS Capital Management, LLC | 0 | $0 | 0.00% | −5,005−100.0% | Sold out |
| Meiji Yasuda Life Insurance Co | 0 | $0 | 0.00% | −4,907−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −4,544−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −4,370−100.0% | Sold out |
| Pitcairn Co | 0 | $0 | 0.00% | −4,177−100.0% | Sold out |
| WBH Advisory Inc | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −3,929−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −3,874−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −3,866−100.0% | Sold out |
| Symmetry Partners, LLC | 0 | $0 | 0.00% | −3,863−100.0% | Sold out |
| Redpoint Investment Management Pty Ltd | 0 | $0 | 0.00% | −3,814−100.0% | Sold out |
| Paces Ferry Wealth Advisors, LLC | 0 | $0 | 0.00% | −3,808−100.0% | Sold out |
| First Citizens Bank & Trust Co | 0 | $0 | 0.00% | −3,761−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −2,758−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −2,400−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −1,595−100.0% | Sold out |
| Sterling Investment Advisors, Ltd. | 0 | $0 | 0.00% | −1,045−100.0% | Sold out |
| Brown Brothers Harriman & Co | 0 | $0 | 0.00% | −859−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −410−100.0% | Sold out |
| Delos Wealth Advisors, LLC | 0 | $0 | 0.00% | −248−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| GHP Investment Advisors, Inc. | 0 | $0 | 0.00% | −117−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Steward Financial Group LLC | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| Financial Management Professionals, Inc. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Fieldpoint Private Securities, LLC | – | – | – | – | Not filed |