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 2024
Institutional positions in SEI Investments Co as of Mar 31, 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
- 475
- −10 vs. Q4 2023
- Shares held
- 94.2M
- +1.49M (+1.6%) vs. Q4 2023
- Total value
- $6.77B
- +$876.6M (+14.9%) vs. Q4 2023
- New holders
- 47
- 141 more added
- Sold out
- 57
- 185 more reduced
6 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| APG Asset Management N.V. | 178,516 | $11.9M | 0.02% | +13,900+8.4% | Added |
| California Public Employees Retirement System | 165,652 | $11.9M | 0.01% | −7,920−4.6% | Reduced |
| Prana Capital Management, LP | 167,491 | $12.0M | 0.54% | +64,579+62.8% | Added |
| Korea Investment CORP | 172,126 | $12.4M | 0.03% | +74,056+75.5% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 173,200 | $12.5M | 0.12% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 173,567 | $12.5M | 0.05% | +5,659+3.4% | Added |
| TD Asset Management Inc | 184,146 | $13.2M | 0.01% | −2,696−1.4% | Reduced |
| Vestcor Inc | 188,149 | $13.5M | 0.46% | −3,247−1.7% | Reduced |
| Man Group plc | 188,200 | $13.5M | 0.04% | −3,138−1.6% | Reduced |
| PGGM Investments | 195,352 | $14.0M | 0.20% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 197,111 | $14.2M | 0.04% | +197,111 | New |
| State of Alaska, Department of Revenue | 198,835 | $14.3M | 0.16% | 00.0% | Unchanged |
| Interval Partners, LP | 201,034 | $14.5M | 0.55% | +18,787+10.3% | Added |
| Credit Suisse AG | 214,209 | $15.4M | 0.01% | +44,587+26.3% | Added |
| Citigroup Inc | 215,640 | $15.5M | 0.02% | −44,356−17.1% | Reduced |
| Leith Wheeler Investment Counsel Ltd. | 217,306 | $15.6M | 1.52% | +200+0.1% | Added |
| Goldman Sachs Group Inc | 221,101 | $15.9M | 0.00% | −21,020−8.7% | Reduced |
| Franklin Resources Inc | 223,814 | $16.1M | 0.01% | +131,215+141.7% | Added |
| FMR LLC | 225,128 | $16.2M | 0.00% | +35,857+18.9% | Added |
| Two Sigma Investments, LP | 232,290 | $16.7M | 0.04% | −23,431−9.2% | Reduced |
| Amundi | 264,044 | $17.4M | 0.01% | −115,952−30.5% | Reduced |
| New York State Common Retirement Fund | 244,939 | $17.6M | 0.02% | −7,434−2.9% | Reduced |
| Arrowstreet Capital, Limited Partnership | 253,276 | $18.2M | 0.02% | +119,856+89.8% | Added |
| Barclays PLC | 257,491 | $18.5M | 0.01% | +11,476+4.7% | Added |
| Two Sigma Advisers, LP | 258,900 | $18.6M | 0.04% | −22,400−8.0% | Reduced |
| Nuveen Asset Management, LLC | 270,285 | $19.4M | 0.01% | −2,331−0.9% | Reduced |
| Renaissance Technologies LLC | 274,526 | $19.7M | 0.03% | +49,400+21.9% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 279,950 | $20.1M | 0.01% | −2,605−0.9% | Reduced |
| Retirement Systems of Alabama | 284,188 | $20.4M | 0.08% | −600.0% | Reduced |
| JLB & Associates Inc | 286,443 | $20.6M | 2.74% | −2,707−0.9% | Reduced |
| Millennium Management LLC | 287,212 | $20.7M | 0.02% | −288,273−50.1% | Reduced |
| American Century Companies Inc | 289,827 | $20.8M | 0.01% | +177,035+157.0% | Added |
| American Capital Management Inc | 305,609 | $22.0M | 0.70% | −1,339−0.4% | Reduced |
| Norges Bank | 316,012 | $22.7M | 0.00% | −190,064−37.6% | Reduced |
| Qube Research & Technologies Ltd | 320,290 | $23.0M | 0.04% | −145,949−31.3% | Reduced |
| AQR Capital Management LLC | 325,981 | $23.4M | 0.04% | +21,269+7.0% | Added |
| Rhumbline Advisers | 344,375 | $24.8M | 0.02% | −2,169−0.6% | Reduced |
| Deutsche Bank AG | 360,820 | $25.9M | 0.01% | +152,635+73.3% | Added |
| Envestnet Asset Management Inc | 376,716 | $27.1M | 0.01% | −9,960−2.6% | Reduced |
| Ameriprise Financial Inc | 377,099 | $27.1M | 0.01% | −18,595−4.7% | Reduced |
| HSBC Holdings PLC | 379,608 | $27.3M | 0.02% | −171,866−31.2% | Reduced |
| Principal Financial Group Inc | 384,371 | $27.6M | 0.02% | +8,222+2.2% | Added |
| KBC Group NV | 384,420 | $27.6M | 0.09% | +124,610+48.0% | Added |
| UBS Asset Management Americas Inc | 410,722 | $29.5M | 0.01% | −157,215−27.7% | Reduced |
| Ophir Asset Management Pty Ltd | 415,255 | $29.9M | 5.23% | +415,255 | New |
| Acadian Asset Management LLC | 435,054 | $31.3M | 0.11% | −16,188−3.6% | Reduced |
| JPMorgan Chase & Co | 436,385 | $31.4M | 0.00% | +2,928+0.7% | Added |
| Thrivent Financial for Lutherans | 443,052 | $31.9M | 0.06% | +183,948+71.0% | Added |
| ProShare Advisors LLC | 462,313 | $33.2M | 0.09% | −80,798−14.9% | Reduced |
| Raymond James & Associates | 500,573 | $36.0M | 0.02% | +23,087+4.8% | Added |
| Caisse de Depot Et Placement du Quebec | 528,453 | $38.0M | 0.09% | +291,920+123.4% | Added |
| Royal Bank of Canada | 549,447 | $39.5M | 0.01% | −86,133−13.6% | Reduced |
| Azora Capital LP | 620,782 | $44.6M | 3.23% | +620,782 | New |
| Charles Schwab Investment Management Inc | 652,395 | $46.9M | 0.01% | −3,023−0.5% | Reduced |
| Natixis Advisors, L.P. | 678,329 | $48.8M | 0.11% | +1,795+0.3% | Added |
| Brown Advisory Inc | 698,726 | $50.2M | 0.07% | +6,389+0.9% | Added |
| Tandem Investment Advisors, Inc. | 721,270 | $51.9M | 2.01% | −214,207−22.9% | Reduced |
| Legal & General Group Plc | 892,791 | $64.2M | 0.02% | +8,473+1.0% | Added |
| Great West Life Assurance Co | 912,565 | $65.7M | 0.13% | −621,740−40.5% | Reduced |
| Northern Trust Corp | 930,834 | $66.9M | 0.01% | −114,347−10.9% | Reduced |
| First Trust Advisors LP | 1,053,365 | $75.7M | 0.08% | +899,520+584.7% | Added |
| Citadel Advisors LLC | 1,084,130 | $77.9M | 0.08% | −546,453−33.5% | Reduced |
| Bank of New York Mellon Corp | 1,149,629 | $82.7M | 0.02% | −41,608−3.5% | Reduced |
| Dimensional Fund Advisors LP | 1,157,680 | $83.2M | 0.02% | −7,222−0.6% | Reduced |
| Boston Trust Walden Corp | 1,300,080 | $93.5M | 0.67% | −14,885−1.1% | Reduced |
| Royce & Associates LP | 1,464,385 | $105.3M | 0.94% | +1,816+0.1% | Added |
| Geode Capital Management, LLC | 2,100,876 | $150.8M | 0.01% | +137,194+7.0% | Added |
| Invesco Ltd. | 2,371,421 | $170.5M | 0.04% | +1,020,957+75.6% | Added |
| Bank of America Corp | 3,049,728 | $219.3M | 0.02% | +34,101+1.1% | Added |
| Beutel, Goodman & Co Ltd. | 4,018,347 | $288.9M | 1.49% | −1,6320.0% | Reduced |
| State Street Corp | 5,822,092 | $418.6M | 0.02% | −129,799−2.2% | Reduced |
| Morgan Stanley | 5,949,459 | $427.8M | 0.03% | +8,378+0.1% | Added |
| Loomis Sayles & Co L P | 9,367,304 | $673.5M | 0.96% | −123,943−1.3% | Reduced |
| BlackRock Inc. | 11,714,580 | $842.3M | 0.02% | +551,844+4.9% | Added |
| Vanguard Group Inc | 11,843,595 | $851.6M | 0.02% | −44,924−0.4% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −110,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −94,797−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −94,524−100.0% | Sold out |
| Power Corp of Canada | 0 | $0 | 0.00% | −88,883−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −42,200−100.0% | Sold out |
| Cipher Capital LP | 0 | $0 | 0.00% | −41,315−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −35,503−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −23,283−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −22,759−100.0% | Sold out |
| AIA Group Ltd | 0 | $0 | 0.00% | −21,111−100.0% | Sold out |
| Lido Advisors, LLC | 0 | $0 | 0.00% | −17,775−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −16,601−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −14,071−100.0% | Sold out |
| Point72 Europe (London) LLP | 0 | $0 | 0.00% | −13,574−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −13,558−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −12,789−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −11,291−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −11,023−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −10,607−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |
| Custom Index Systems, LLC | 0 | $0 | 0.00% | −7,889−100.0% | Sold out |
| Davis R M Inc | 0 | $0 | 0.00% | −6,864−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −6,800−100.0% | Sold out |
| FDx Advisors, Inc. | 0 | $0 | 0.00% | −6,499−100.0% | Sold out |
| Truepoint, Inc. | 0 | $0 | 0.00% | −6,155−100.0% | Sold out |