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 |
|---|---|---|---|---|---|
| Sterling Capital Management LLC | 22,409 | $1.55M | 0.02% | +22,409 | New |
| Trexquant Investment LP | 22,497 | $1.56M | 0.02% | −42,158−65.2% | Reduced |
| Linden Thomas Advisory Services, LLC | 22,515 | $1.56M | 0.21% | −161−0.7% | Reduced |
| Oliver Luxxe Assets LLC | 22,570 | $1.56M | 0.28% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 22,579 | $1.56M | 0.00% | −166−0.7% | Reduced |
| Macquarie Group Ltd | 23,035 | $1.59M | 0.00% | +704+3.2% | Added |
| JustInvest LLC | 23,193 | $1.60M | 0.03% | +1,750+8.2% | Added |
| Schonfeld Strategic Advisors LLC | 23,722 | $1.64M | 0.01% | −45,291−65.6% | Reduced |
| Portfolio Design Labs, LLC | 24,580 | $1.70M | 0.47% | +24,580 | New |
| Vident Advisory, LLC | 24,948 | $1.73M | 0.04% | −12,154−32.8% | Reduced |
| Squarepoint Ops LLC | 25,161 | $1.74M | 0.01% | +25,161 | New |
| Aurora Investment Counsel | 25,162 | $1.74M | 0.94% | +144+0.6% | Added |
| Worldquant Millennium Advisors LLC | 25,321 | $1.75M | 0.01% | −277−1.1% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 25,385 | $1.76M | 0.01% | 00.0% | Unchanged |
| State of Michigan Retirement System | 25,524 | $1.77M | 0.01% | −700−2.7% | Reduced |
| Illinois Municipal Retirement Fund | 26,089 | $1.81M | 0.03% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 26,148 | $1.81M | 0.01% | −840−3.1% | Reduced |
| Smithbridge Asset Management Inc | 26,201 | $1.81M | 0.31% | 00.0% | Unchanged |
| Quest Partners LLC | 26,416 | $1.83M | 0.16% | −1,533−5.5% | Reduced |
| TownSquare Capital, LLC | 26,839 | $1.86M | 0.02% | +6,286+30.6% | Added |
| Handelsbanken Fonder AB | 26,900 | $1.86M | 0.01% | +2,100+8.5% | Added |
| Raymond James Financial Services Advisors, Inc. | 27,112 | $1.88M | 0.00% | +3,133+13.1% | Added |
| Louisiana State Employees Retirement System | 27,400 | $1.90M | 0.03% | −800−2.8% | Reduced |
| Bright Rock Capital Management, LLC | 27,600 | $1.91M | 0.38% | 00.0% | Unchanged |
| STRS Ohio | 27,775 | $1.92M | 0.01% | +27,775 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 28,205 | $1.95M | 0.01% | +54+0.2% | Added |
| The PNC Financial Services Group, Inc. | 28,561 | $1.98M | 0.00% | −2,309−7.5% | Reduced |
| State of New Jersey Common Pension Fund D | 29,500 | $2.04M | 0.01% | +1,574+5.6% | Added |
| Johnson Investment Counsel Inc | 29,900 | $2.07M | 0.02% | +80+0.3% | Added |
| O'Shaughnessy Asset Management, LLC | 29,250 | $2.08M | 0.02% | +1,547+5.6% | Added |
| Gries Financial LLC | 31,011 | $2.15M | 0.40% | −7,649−19.8% | Reduced |
| CWM Advisors, LLC | 31,668 | $2.19M | 0.22% | +639+2.1% | Added |
| Arizona State Retirement System | 31,996 | $2.21M | 0.01% | +1,287+4.2% | Added |
| Teachers Retirement System of the State of Kentucky | 32,574 | $2.25M | 0.02% | −870−2.6% | Reduced |
| Comerica Bank | 32,811 | $2.27M | 0.01% | −5,443−14.2% | Reduced |
| Prudential Financial Inc | 32,816 | $2.27M | 0.00% | +6,577+25.1% | Added |
| Dark Forest Capital Management LP | 33,226 | $2.30M | 0.29% | +33,226 | New |
| Cresset Asset Management, LLC | 33,395 | $2.31M | 0.01% | +1,706+5.4% | Added |
| Edgestream Partners, L.P. | 33,477 | $2.32M | 0.10% | +33,477 | New |
| Nebula Research & Development LLC | 33,592 | $2.32M | 0.28% | −4,531−11.9% | Reduced |
| Omers Administration Corp | 33,881 | $2.34M | 0.02% | 00.0% | Unchanged |
| Resona Asset Management Co.,Ltd. | 34,018 | $2.35M | 0.01% | −488−1.4% | Reduced |
| Versor Investments LP | 35,385 | $2.45M | 0.39% | +28,603+421.7% | Added |
| NJ State Employees Deferred Compensation Plan | 35,400 | $2.45M | 0.29% | 00.0% | Unchanged |
| Procyon Private Wealth Partners, LLC | 35,415 | $2.45M | 0.17% | +1,352+4.0% | Added |
| Atria Investments LLC | 35,680 | $2.47M | 0.03% | −596−1.6% | Reduced |
| US Bancorp | 36,274 | $2.51M | 0.00% | −148−0.4% | Reduced |
| Federation des caisses Desjardins du Quebec | 36,385 | $2.52M | 0.01% | −36,342−50.0% | Reduced |
| Yousif Capital Management, LLC | 37,493 | $2.59M | 0.03% | −5,638−13.1% | Reduced |
| Wealth Alliance Advisory Group, LLC | 37,504 | $2.59M | 0.55% | 00.0% | Unchanged |
| Jane Street Group, LLC | 38,641 | $2.67M | 0.00% | −66,185−63.1% | Reduced |
| Susquehanna International Group, LLP | 39,500 | $2.73M | 0.00% | +21,586+120.5% | Added |
| Sepio Capital, LP | 39,642 | $2.74M | 0.21% | −245−0.6% | Reduced |
| Engineers Gate Manager LP | 40,399 | $2.80M | 0.05% | +13,184+48.4% | Added |
| Toronto Dominion Bank | 40,991 | $2.84M | 0.01% | +3,784+10.2% | Added |
| State of Tennessee, Treasury Department | 41,640 | $2.88M | 0.01% | +12,640+43.6% | Added |
| Ingalls & Snyder LLC | 41,750 | $2.89M | 0.11% | −200−0.5% | Reduced |
| Thrive Wealth Management, LLC | 41,945 | $2.90M | 0.53% | +170.0% | Added |
| Banco Santander, S.A. | 42,300 | $2.93M | 0.03% | −2,600−5.8% | Reduced |
| PGGM Investments | 42,444 | $2.94M | 0.04% | −152,066−78.2% | Reduced |
| Henshaw Capital LLC | 43,056 | $2.98M | 0.12% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 43,657 | $3.02M | 0.01% | −330−0.8% | Reduced |
| Nisa Investment Advisors, LLC | 43,777 | $3.03M | 0.02% | −60−0.1% | Reduced |
| Amalgamated Bank | 48,480 | $3.35M | 0.03% | −2,125−4.2% | Reduced |
| CIBC Asset Management Inc | 48,578 | $3.36M | 0.01% | −1,224−2.5% | Reduced |
| Vinva Investment Management Ltd | 49,136 | $3.40M | 0.15% | +15,341+45.4% | Added |
| Algert Global LLC | 49,690 | $3.44M | 0.09% | −12,610−20.2% | Reduced |
| MetLife Investment Management | 51,042 | $3.53M | 0.02% | −1,561−3.0% | Reduced |
| Nomura Asset Management Co Ltd | 51,748 | $3.58M | 0.01% | +10,100+24.3% | Added |
| Bridgewater Associates, LP | 53,086 | $3.67M | 0.02% | +23,604+80.1% | Added |
| Mutual of America Capital Management LLC | 53,354 | $3.69M | 0.04% | −3,818−6.7% | Reduced |
| Diversified Trust Co | 54,020 | $3.74M | 0.09% | −192−0.4% | Reduced |
| Price T Rowe Associates Inc | 56,422 | $3.90M | 0.00% | +2,988+5.6% | Added |
| CWM, LLC | 57,226 | $3.96M | 0.02% | −4,422−7.2% | Reduced |
| HBK Sorce Advisory LLC | 58,062 | $4.02M | 0.12% | −84−0.1% | Reduced |
| IFG Advisory, LLC | 58,518 | $4.05M | 0.26% | −710−1.2% | Reduced |
| Pictet Asset Management Holding SA | 60,128 | $4.16M | 0.00% | +1,484+2.5% | Added |
| Court Place Advisors, LLC | 60,150 | $4.16M | 1.21% | −850−1.4% | Reduced |
| Robeco Institutional Asset Management B.V. | 64,879 | $4.49M | 0.01% | −78,095−54.6% | Reduced |
| Public Employees Retirement System of Ohio | 65,163 | $4.51M | 0.02% | −4,887−7.0% | Reduced |
| Southernsun Asset Management, LLC | 65,581 | $4.54M | 0.54% | +65+0.1% | Added |
| Sanctuary Advisors, LLC | 57,841 | $4.67M | 0.03% | +16,162+38.8% | Added |
| Storebrand Asset Management AS | 68,311 | $4.73M | 0.01% | 00.0% | Unchanged |
| Union Heritage Capital, LLC | 68,700 | $4.75M | 1.75% | 00.0% | Unchanged |
| Taylor Hoffman Capital Management LLC | 64,082 | $4.79M | 1.84% | +64,082 | New |
| Holocene Advisors, LP | 70,136 | $4.85M | 0.02% | +10,394+17.4% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 70,247 | $4.86M | 0.05% | +70,247 | New |
| Two Sigma Advisers, LP | 70,700 | $4.89M | 0.01% | −80,800−53.3% | Reduced |
| Asset Management One Co.,Ltd. | 71,842 | $4.97M | 0.02% | +14,757+25.9% | Added |
| RK Asset Management, LLC | 73,165 | $5.06M | 3.89% | +5,465+8.1% | Added |
| Ensign Peak Advisors, Inc | 74,143 | $5.13M | 0.01% | −7,315−9.0% | Reduced |
| Russell Investments Group, Ltd. | 74,915 | $5.18M | 0.01% | −26,467−26.1% | Reduced |
| Brandywine Global Investment Management, LLC | 73,220 | $5.21M | 0.03% | +2,668+3.8% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 76,426 | $5.29M | 0.20% | +293+0.4% | Added |
| D. E. Shaw & Co., Inc. | 76,987 | $5.33M | 0.01% | +21,790+39.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 78,518 | $5.43M | 0.01% | +15,774+25.1% | Added |
| LPL Financial LLC | 78,557 | $5.44M | 0.00% | +3,491+4.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 79,690 | $5.51M | 0.02% | +54,118+211.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 84,196 | $5.83M | 0.03% | −2,036−2.4% | Reduced |
| Schroder Investment Management Group | 84,655 | $5.86M | 0.01% | +1,746+2.1% | Added |