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 2024
Institutional positions in SEI Investments Co as of Sep 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
- 502
- +15 vs. Q2 2024
- Shares held
- 91.7M
- +10.4M (+12.7%) vs. Q2 2024
- Total value
- $6.35B
- +$1.08B (+20.6%) vs. Q2 2024
- New holders
- 50
- 172 more added
- Sold out
- 35
- 184 more reduced
6 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wells Fargo & Company | 85,009 | $5.88M | 0.00% | +44,681+110.8% | Added |
| Manufacturers Life Insurance Company, The | 85,242 | $5.90M | 0.01% | −3,987−4.5% | Reduced |
| Modera Wealth Management, LLC | 85,750 | $5.93M | 0.08% | −2,086−2.4% | Reduced |
| Hahn Capital Management LLC | 86,919 | $6.01M | 3.87% | −1,303−1.5% | Reduced |
| BNP Paribas Arbitrage, SA | 90,902 | $6.29M | 0.01% | +45,241+99.1% | Added |
| State of Wisconsin Investment Board | 94,956 | $6.57M | 0.02% | +10,810+12.8% | Added |
| Van Eck Associates Corp | 94,605 | $6.69M | 0.01% | +39,711+72.3% | Added |
| Abn Amro Investment Solutions | 102,570 | $7.10M | 0.12% | −260−0.3% | Reduced |
| Martingale Asset Management L P | 102,665 | $7.10M | 0.16% | −4,041−3.8% | Reduced |
| Cubist Systematic Strategies, LLC | 104,192 | $7.21M | 0.11% | +104,192 | New |
| Great West Life Assurance Co | 104,258 | $7.21M | 0.01% | +3,921+3.9% | Added |
| Crestwood Advisors Group LLC | 109,393 | $7.57M | 0.14% | +643+0.6% | Added |
| Verition Fund Management LLC | 111,098 | $7.69M | 0.05% | +107,222+2,766.3% | Added |
| Achmea Investment Management B.V. | 112,900 | $7.81M | 0.13% | +9,925+9.6% | Added |
| Norges Bank | 113,852 | $7.88M | 0.00% | −29,677−20.7% | Reduced |
| Corebridge Financial, Inc. | 116,749 | $8.08M | 0.04% | −9,564−7.6% | Reduced |
| West Coast Financial LLC | 117,382 | $8.12M | 0.89% | +1,254+1.1% | Added |
| Foyston, Gordon, & Payne Inc | 121,503 | $8.30M | 2.07% | +39,401+48.0% | Added |
| Advisor Group Holdings, Inc. | 120,919 | $8.37M | 0.02% | +510+0.4% | Added |
| Truist Financial Corp | 121,039 | $8.37M | 0.01% | −20,106−14.2% | Reduced |
| New York State Teachers Retirement System | 125,908 | $8.71M | 0.02% | −6,174−4.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 130,223 | $9.01M | 0.02% | −24,924−16.1% | Reduced |
| Alliancebernstein L.P. | 137,013 | $9.48M | 0.00% | −11,933−8.0% | Reduced |
| California State Teachers Retirement System | 137,867 | $9.54M | 0.01% | −8,297−5.7% | Reduced |
| State Board of Administration of Florida Retirement System | 141,784 | $9.81M | 0.02% | 00.0% | Unchanged |
| Pinebridge Investments, L.P. | 142,531 | $9.86M | 0.07% | +42,228+42.1% | Added |
| UBS Group AG | 143,835 | $9.95M | 0.00% | +7,403+5.4% | Added |
| Balyasny Asset Management LLC | 148,799 | $10.3M | 0.03% | −70,714−32.2% | Reduced |
| Bank of Montreal | 149,659 | $10.4M | 0.00% | +24,624+19.7% | Added |
| Teacher Retirement System of Texas | 153,048 | $10.6M | 0.05% | −13,445−8.1% | Reduced |
| Andra AP-fonden | 155,800 | $10.8M | 0.16% | +20,000+14.7% | Added |
| Two Sigma Investments, LP | 156,677 | $10.8M | 0.02% | +63,909+68.9% | Added |
| Victory Capital Management Inc | 161,248 | $11.2M | 0.01% | +973+0.6% | Added |
| Allianz Asset Management GmbH | 162,325 | $11.2M | 0.02% | +12,273+8.2% | Added |
| Barclays PLC | 166,012 | $11.5M | 0.01% | −16,163−8.9% | Reduced |
| California Public Employees Retirement System | 167,595 | $11.6M | 0.01% | +3,385+2.1% | Added |
| Bank of Nova Scotia | 169,415 | $11.7M | 0.02% | +108,153+176.5% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 173,200 | $12.0M | 0.11% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 174,253 | $12.1M | 0.03% | −27,534−13.6% | Reduced |
| TD Asset Management Inc | 179,030 | $12.4M | 0.01% | −10,839−5.7% | Reduced |
| Citigroup Inc | 182,649 | $12.6M | 0.01% | −14,717−7.5% | Reduced |
| Vestcor Inc | 188,149 | $13.0M | 0.41% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 191,326 | $13.2M | 0.02% | −5,100−2.6% | Reduced |
| Man Group plc | 196,009 | $13.6M | 0.04% | −30,140−13.3% | Reduced |
| Prana Capital Management, LP | 196,816 | $13.6M | 0.62% | +19,289+10.9% | Added |
| Korea Investment CORP | 197,284 | $13.7M | 0.03% | +45,409+29.9% | Added |
| Danske Bank A/S | 198,494 | $13.7M | 0.05% | +37,146+23.0% | Added |
| State of Alaska, Department of Revenue | 199,610 | $13.8M | 0.15% | +775+0.4% | Added |
| Leith Wheeler Investment Counsel Ltd. | 210,482 | $14.6M | 1.02% | −8,424−3.8% | Reduced |
| Thrivent Financial for Lutherans | 210,704 | $14.6M | 0.03% | +603+0.3% | Added |
| Alps Advisors Inc | 215,499 | $14.9M | 0.10% | +58,742+37.5% | Added |
| American Century Companies Inc | 216,710 | $15.0M | 0.01% | −94,749−30.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 224,084 | $15.5M | 0.01% | −47,433−17.5% | Reduced |
| Acadian Asset Management LLC | 229,318 | $15.9M | 0.05% | −126,968−35.6% | Reduced |
| New York State Common Retirement Fund | 234,754 | $16.2M | 0.02% | −10,100−4.1% | Reduced |
| Principal Financial Group Inc | 238,228 | $16.5M | 0.01% | −103,952−30.4% | Reduced |
| Interval Partners, LP | 241,242 | $16.7M | 0.48% | +41,012+20.5% | Added |
| Nuveen Asset Management, LLC | 253,223 | $17.5M | 0.00% | −3,657−1.4% | Reduced |
| Caisse de Depot Et Placement du Quebec | 255,084 | $17.6M | 0.04% | −158,555−38.3% | Reduced |
| Amundi | 264,743 | $18.5M | 0.01% | +4,046+1.6% | Added |
| Arrowstreet Capital, Limited Partnership | 272,701 | $18.9M | 0.02% | +65,259+31.5% | Added |
| Retirement Systems of Alabama | 278,914 | $19.3M | 0.07% | −3,326−1.2% | Reduced |
| JLB & Associates Inc | 288,524 | $20.0M | 2.57% | +2,722+1.0% | Added |
| American Capital Management Inc | 304,386 | $21.1M | 0.69% | +620.0% | Added |
| Franklin Resources Inc | 320,482 | $22.8M | 0.01% | +48,429+17.8% | Added |
| Rhumbline Advisers | 339,411 | $23.5M | 0.02% | −5,517−1.6% | Reduced |
| Deutsche Bank AG | 341,112 | $23.6M | 0.01% | −13,640−3.8% | Reduced |
| Goldman Sachs Group Inc | 344,326 | $23.8M | 0.00% | +82,563+31.5% | Added |
| Royal Bank of Canada | 346,593 | $24.0M | 0.01% | −15,058−4.2% | Reduced |
| KBC Group NV | 365,808 | $25.3M | 0.08% | −21,932−5.7% | Reduced |
| Ameriprise Financial Inc | 382,224 | $26.4M | 0.01% | −22,848−5.6% | Reduced |
| Legal & General Group Plc | 384,717 | $26.6M | 0.01% | −491,162−56.1% | Reduced |
| Qube Research & Technologies Ltd | 391,932 | $27.1M | 0.05% | +240,484+158.8% | Added |
| Envestnet Asset Management Inc | 394,793 | $27.3M | 0.01% | +13,421+3.5% | Added |
| HSBC Holdings PLC | 402,649 | $27.8M | 0.02% | +55,586+16.0% | Added |
| Millennium Management LLC | 409,927 | $28.4M | 0.02% | +217,539+113.1% | Added |
| AQR Capital Management LLC | 425,242 | $29.4M | 0.04% | +58,153+15.8% | Added |
| ProShare Advisors LLC | 484,109 | $33.5M | 0.08% | +19,098+4.1% | Added |
| JPMorgan Chase & Co | 507,916 | $35.1M | 0.00% | +60,824+13.6% | Added |
| Voloridge Investment Management, LLC | 509,036 | $35.2M | 0.13% | +115,442+29.3% | Added |
| Raymond James & Associates | 544,477 | $37.7M | 0.02% | +19,846+3.8% | Added |
| UBS Asset Management Americas Inc | 546,187 | $37.8M | 0.01% | +10,576+2.0% | Added |
| Charles Schwab Investment Management Inc | 664,366 | $46.0M | 0.01% | −3,134−0.5% | Reduced |
| Natixis Advisors, L.P. | 674,270 | $46.7M | 0.09% | −1,005−0.1% | Reduced |
| Brown Advisory Inc | 805,755 | $55.8M | 0.07% | −35,199−4.2% | Reduced |
| Northern Trust Corp | 883,842 | $61.2M | 0.01% | −122,711−12.2% | Reduced |
| FMR LLC | 885,113 | $61.2M | 0.00% | +632,024+249.7% | Added |
| First Trust Advisors LP | 951,178 | $65.8M | 0.06% | +54,462+6.1% | Added |
| Bank of New York Mellon Corp | 1,125,318 | $77.9M | 0.01% | −61,121−5.2% | Reduced |
| Citadel Advisors LLC | 1,216,039 | $84.1M | 0.09% | +303,190+33.2% | Added |
| Boston Trust Walden Corp | 1,286,309 | $89.0M | 0.62% | −10,033−0.8% | Reduced |
| Royce & Associates LP | 1,465,406 | $101.4M | 0.92% | +1,828+0.1% | Added |
| Dimensional Fund Advisors LP | 1,635,791 | $113.2M | 0.03% | +255,480+18.5% | Added |
| Geode Capital Management, LLC | 2,520,430 | $174.1M | 0.01% | +300,704+13.5% | Added |
| Invesco Ltd. | 2,557,040 | $176.9M | 0.03% | +161,935+6.8% | Added |
| Bank of America Corp | 3,033,857 | $209.9M | 0.02% | −3,159−0.1% | Reduced |
| Beutel, Goodman & Co Ltd. | 4,014,909 | $277.8M | 1.37% | −41,950−1.0% | Reduced |
| State Street Corp | 5,708,002 | $394.9M | 0.02% | −403,318−6.6% | Reduced |
| Morgan Stanley | 5,849,723 | $404.7M | 0.03% | −97,692−1.6% | Reduced |
| Loomis Sayles & Co L P | 9,147,929 | $632.9M | 0.83% | −294,476−3.1% | Reduced |