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 2021
Institutional positions in SEI Investments Co as of Jun 30, 2021. 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
- 440
- +1 vs. Q1 2021
- Shares held
- 97.6M
- −282.9K (−0.3%) vs. Q1 2021
- Total value
- $6.04B
- +$84.4M (+1.4%) vs. Q1 2021
- New holders
- 46
- 148 more added
- Sold out
- 45
- 150 more reduced
4 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pensionfund DSM Netherlands | 46,800 | $2.90M | 0.37% | −3,000−6.0% | Reduced |
| Renaissance Technologies LLC | 47,026 | $2.91M | 0.00% | −148,700−76.0% | Reduced |
| APG Asset Management N.V. | 59,553 | $3.11M | 0.01% | +16,200+37.4% | Added |
| Pictet Asset Management Ltd | 51,286 | $3.18M | 0.00% | −636−1.2% | Reduced |
| Vontobel Holding Ltd. | 52,042 | $3.23M | 0.03% | +124+0.2% | Added |
| Parsec Financial Management, Inc. | 52,812 | $3.27M | 0.15% | −1,615−3.0% | Reduced |
| CIBC Private Wealth Group, LLC | 53,328 | $3.31M | 0.01% | −1,662−3.0% | Reduced |
| Qube Research & Technologies Ltd | 53,395 | $3.31M | 0.04% | +23,985+81.6% | Added |
| BBVA USA | 53,767 | $3.33M | 0.19% | +53,767 | New |
| Janus Henderson Group PLC | 54,562 | $3.38M | 0.00% | +6,930+14.5% | Added |
| Mandatum Life Insurance Co Ltd | 54,859 | $3.40M | 0.62% | 00.0% | Unchanged |
| Redwood Investment Management, LLC | 55,476 | $3.44M | 0.56% | +6,609+13.5% | Added |
| Asset Management One Co.,Ltd. | 56,290 | $3.49M | 0.01% | +1,461+2.7% | Added |
| Glenmede Trust Co NA | 56,720 | $3.51M | 0.02% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 57,574 | $3.57M | 0.00% | −1,718−2.9% | Reduced |
| Voloridge Investment Management, LLC | 57,622 | $3.57M | 0.02% | −62,177−51.9% | Reduced |
| Oregon Public Employees Retirement Fund | 58,078 | $3.60M | 0.04% | +2,893+5.2% | Added |
| MetLife Investment Management | 59,227 | $3.67M | 0.03% | −2,302−3.7% | Reduced |
| Bridgewater Associates, LP | 59,764 | $3.70M | 0.02% | +4,409+8.0% | Added |
| Cubist Systematic Strategies, LLC | 60,145 | $3.73M | 0.04% | −13,278−18.1% | Reduced |
| Ingalls & Snyder LLC | 60,420 | $3.74M | 0.17% | −800−1.3% | Reduced |
| Union Heritage Capital, LLC | 61,550 | $3.81M | 1.78% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 62,028 | $3.84M | 0.02% | +5,224+9.2% | Added |
| KBC Group NV | 62,145 | $3.85M | 0.01% | −282−0.5% | Reduced |
| Public Employees Retirement System of Ohio | 62,522 | $3.87M | 0.01% | +926+1.5% | Added |
| Citadel Advisors LLC | 63,205 | $3.92M | 0.00% | +13,331+26.7% | Added |
| Putnam Investments LLC | 63,891 | $3.96M | 0.01% | −2,967−4.4% | Reduced |
| Comerica Bank | 66,017 | $4.00M | 0.02% | −1,719−2.5% | Reduced |
| State of New Jersey Common Pension Fund D | 65,089 | $4.03M | 0.01% | −26,452−28.9% | Reduced |
| RK Asset Management, LLC | 66,025 | $4.09M | 3.54% | −50.0% | Reduced |
| Voya Investment Management LLC | 69,654 | $4.32M | 0.01% | +1,633+2.4% | Added |
| Worldquant Millennium Advisors LLC | 74,490 | $4.62M | 0.10% | 00.0% | Unchanged |
| Sepio Capital, LP | 75,492 | $4.68M | 0.39% | +3,309+4.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 75,883 | $4.70M | 0.04% | +21,700+40.0% | Added |
| Banco Santander, S.A. | 77,090 | $4.78M | 0.03% | +12,040+18.5% | Added |
| Russell Investments Group, Ltd. | 79,048 | $4.90M | 0.01% | +36,845+87.3% | Added |
| HSBC Holdings PLC | 80,559 | $5.00M | 0.01% | +22,041+37.7% | Added |
| BNP Paribas Arbitrage, SA | 81,406 | $5.04M | 0.01% | +4,407+5.7% | Added |
| South Dakota Investment Council | 81,981 | $5.08M | 0.09% | +36,220+79.2% | Added |
| Bank of Montreal | 83,750 | $5.22M | 0.00% | +60,060+253.5% | Added |
| Texas Permanent School Fund | 88,333 | $5.47M | 0.06% | −660−0.7% | Reduced |
| AMP Capital Investors Ltd | 88,468 | $5.48M | 0.03% | −18,140−17.0% | Reduced |
| Holocene Advisors, LP | 90,863 | $5.63M | 0.03% | −1,459−1.6% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 91,191 | $5.65M | 0.01% | −9,760−9.7% | Reduced |
| Amalgamated Bank | 91,567 | $5.67M | 0.05% | +77,447+548.5% | Added |
| Caisse de Depot Et Placement du Quebec | 91,659 | $5.68M | 0.01% | +84,478+1,176.4% | Added |
| Court Place Advisors, LLC | 95,223 | $5.90M | 1.72% | −745−0.8% | Reduced |
| Ensign Peak Advisors, Inc | 102,544 | $6.36M | 0.01% | −2,145−2.0% | Reduced |
| Mutual of America Capital Management LLC | 104,926 | $6.50M | 0.06% | −2,602−2.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 107,343 | $6.65M | 0.02% | +616+0.6% | Added |
| State of Tennessee, Treasury Department | 107,818 | $6.68M | 0.03% | +10,000+10.2% | Added |
| State of Wisconsin Investment Board | 111,930 | $6.94M | 0.01% | −2,635−2.3% | Reduced |
| Teacher Retirement System of Texas | 112,922 | $7.00M | 0.04% | −55,100−32.8% | Reduced |
| RSM US Wealth Management LLC | 115,753 | $7.17M | 0.39% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 116,985 | $7.25M | 0.03% | +11,192+10.6% | Added |
| Brandywine Global Investment Management, LLC | 122,001 | $7.56M | 0.06% | −4,819−3.8% | Reduced |
| Southernsun Asset Management, LLC | 122,799 | $7.61M | 0.83% | −735−0.6% | Reduced |
| Andra AP-fonden | 128,800 | $7.98M | 0.16% | −2,400−1.8% | Reduced |
| Manufacturers Life Insurance Company, The | 130,406 | $8.08M | 0.01% | −3,842−2.9% | Reduced |
| TD Asset Management Inc | 136,368 | $8.29M | 0.01% | +19,508+16.7% | Added |
| Amundi | 135,984 | $8.43M | 0.01% | +135,984 | New |
| Robeco Institutional Asset Management B.V. | 146,218 | $9.06M | 0.02% | +28,003+23.7% | Added |
| New York State Teachers Retirement System | 146,589 | $9.08M | 0.02% | +16,325+12.5% | Added |
| Deutsche Bank AG | 147,944 | $9.17M | 0.00% | −43,756−22.8% | Reduced |
| Brown Advisory Inc | 158,230 | $9.80M | 0.01% | +90,390+133.2% | Added |
| State Board of Administration of Florida Retirement System | 160,257 | $9.93M | 0.02% | +252+0.2% | Added |
| Credit Suisse AG | 164,401 | $10.2M | 0.01% | −13,816−7.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 175,229 | $10.9M | 0.06% | +3,538+2.1% | Added |
| Royal Bank of Canada | 178,162 | $11.0M | 0.00% | +10,416+6.2% | Added |
| Citigroup Inc | 186,322 | $11.5M | 0.01% | −476,551−71.9% | Reduced |
| Alliancebernstein L.P. | 186,686 | $11.6M | 0.00% | −4,210−2.2% | Reduced |
| California State Teachers Retirement System | 186,963 | $11.6M | 0.01% | −37,075−16.5% | Reduced |
| Hahn Capital Management LLC | 195,998 | $12.1M | 2.30% | +10,582+5.7% | Added |
| American International Group, Inc. | 210,455 | $13.0M | 0.05% | −5,341−2.5% | Reduced |
| Envestnet Asset Management Inc | 211,390 | $13.1M | 0.01% | +6,489+3.2% | Added |
| Truist Financial Corp | 215,554 | $13.4M | 0.02% | −3,620−1.7% | Reduced |
| Prudential Financial Inc | 217,387 | $13.5M | 0.02% | −169,259−43.8% | Reduced |
| Davis R M Inc | 221,762 | $13.7M | 0.35% | +23,090+11.6% | Added |
| Man Group plc | 222,519 | $13.8M | 0.05% | +23,448+11.8% | Added |
| Torray LLC | 224,440 | $13.9M | 2.05% | 00.0% | Unchanged |
| Barclays PLC | 228,038 | $14.1M | 0.01% | +99,088+76.8% | Added |
| Thrivent Financial for Lutherans | 232,571 | $14.4M | 0.03% | −904−0.4% | Reduced |
| Hendershot Investments Inc. | 237,535 | $14.7M | 3.20% | +5,838+2.5% | Added |
| Victory Capital Management Inc | 240,664 | $14.9M | 0.01% | +18,234+8.2% | Added |
| FMR LLC | 245,274 | $15.2M | 0.00% | +13,758+5.9% | Added |
| California Public Employees Retirement System | 248,467 | $15.4M | 0.01% | −10,745−4.1% | Reduced |
| New York State Common Retirement Fund | 255,902 | $15.9M | 0.02% | −82,198−24.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 268,610 | $16.6M | 0.19% | +64,310+31.5% | Added |
| Raymond James & Associates | 278,422 | $17.3M | 0.02% | +10,771+4.0% | Added |
| Morgan Stanley | 279,332 | $17.3M | 0.00% | +13,842+5.2% | Added |
| Eaton Vance Management | 280,987 | $17.4M | 0.02% | +981+0.4% | Added |
| UBS Group AG | 282,398 | $17.5M | 0.01% | +33,872+13.6% | Added |
| Wells Fargo & Company | 288,352 | $17.9M | 0.00% | +114,634+66.0% | Added |
| JLB & Associates Inc | 288,799 | $17.9M | 2.79% | +1,475+0.5% | Added |
| AustralianSuper Pty Ltd | 294,360 | $18.2M | 0.13% | +74,597+33.9% | Added |
| AQR Capital Management LLC | 297,732 | $18.4M | 0.03% | −11,282−3.7% | Reduced |
| Crestwood Advisors Group LLC | 299,494 | $18.6M | 0.54% | 00.0% | Unchanged |
| Retirement Systems of Alabama | 318,820 | $19.8M | 0.07% | −1,057−0.3% | Reduced |
| Reinhart Partners, Inc. | 321,651 | $19.9M | 0.99% | −222−0.1% | Reduced |
| Goodnow Investment Group, LLC | 322,455 | $20.0M | 1.68% | −50,630−13.6% | Reduced |