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 2024
Institutional positions in SEI Investments Co as of Jun 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
- 493
- +22 vs. Q1 2024
- Shares held
- 93.0M
- −926.0K (−1.0%) vs. Q1 2024
- Total value
- $6.02B
- −$732.1M (−10.8%) vs. Q1 2024
- New holders
- 56
- 179 more added
- Sold out
- 34
- 167 more reduced
4 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Hillsdale Investment Management Inc. | 8,900 | $575.7K | 0.05% | +100+1.1% | Added |
| Raymond James Trust N.A. | 8,939 | $578.3K | 0.01% | −23−0.3% | Reduced |
| Wellington Shields & Co., LLC | 9,000 | $582.2K | 0.19% | 00.0% | Unchanged |
| Nilsine Partners, LLC | 9,005 | $582.5K | 0.08% | −40.0% | Reduced |
| NBC Securities, Inc. | 9,112 | $589.0K | 0.05% | −109−1.2% | Reduced |
| Catalyst Funds Management Pty Ltd | 9,300 | $601.6K | 0.16% | +6,200+200.0% | Added |
| Gulf International Bank (UK) Ltd | 9,309 | $602.0K | 0.02% | 00.0% | Unchanged |
| Ethic Inc. | 9,416 | $609.1K | 0.01% | −587−5.9% | Reduced |
| Entropy Technologies, LP | 9,448 | $611.2K | 0.07% | +9,448 | New |
| MBB Public Markets I LLC | 9,485 | $613.6K | 0.01% | +9,485 | New |
| Patten & Patten Inc | 9,500 | $614.6K | 0.04% | 00.0% | Unchanged |
| M&T Bank Corp | 9,585 | $620.1K | 0.00% | −609−6.0% | Reduced |
| Patton Albertson Miller Group, LLC | 9,650 | $624.3K | 0.09% | −300−3.0% | Reduced |
| Logan Capital Management Inc | 9,700 | $627.5K | 0.03% | 00.0% | Unchanged |
| RBF Capital, LLC | 10,000 | $646.9K | 0.04% | 00.0% | Unchanged |
| DGS Capital Management, LLC | 10,070 | $651.4K | 0.18% | +1,231+13.9% | Added |
| Federated Hermes, Inc. | 10,086 | $652.5K | 0.00% | −509−4.8% | Reduced |
| Central Pacific Bank - Trust Division | 10,136 | $655.7K | 0.08% | 00.0% | Unchanged |
| Commerce Bank | 10,189 | $659.1K | 0.00% | −459−4.3% | Reduced |
| Fox Run Management, L.L.C. | 10,325 | $667.9K | 0.13% | +10,325 | New |
| Oak Thistle LLC | 10,431 | $674.8K | 0.50% | +10,431 | New |
| HighTower Advisors, LLC | 10,514 | $675.0K | 0.00% | +853+8.8% | Added |
| BancorpSouth Bank | 10,692 | $691.7K | 0.05% | 00.0% | Unchanged |
| ISAM Funds (UK) Ltd | 10,813 | $699.5K | 0.52% | +10,813 | New |
| Panagora Asset Management Inc | 11,137 | $720.5K | 0.00% | −7,611−40.6% | Reduced |
| Quantinno Capital Management LP | 11,227 | $726.3K | 0.01% | −4,617−29.1% | Reduced |
| Neo Ivy Capital Management | 11,496 | $744.0K | 0.15% | +11,496 | New |
| Tower Research Capital LLC (TRC) | 11,502 | $744.1K | 0.01% | +7,998+228.3% | Added |
| Ontario Teachers Pension Plan Board | 11,561 | $747.9K | 0.01% | −12,456−51.9% | Reduced |
| MQS Management LLC | 11,651 | $753.7K | 0.46% | +11,651 | New |
| Mackenzie Financial Corp | 11,848 | $766.4K | 0.00% | +2,689+29.4% | Added |
| CI Private Wealth, LLC | 11,900 | $769.8K | 0.00% | +210+1.8% | Added |
| Bokf, NA | 12,083 | $781.6K | 0.01% | +10,244+557.0% | Added |
| True Wealth Design, LLC | 12,589 | $814.4K | 0.20% | +80+0.6% | Added |
| Los Angeles Capital Management LLC | 12,825 | $829.6K | 0.00% | −565−4.2% | Reduced |
| Valley National Advisers Inc | 12,908 | $835.0K | 0.12% | −410−3.1% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 13,129 | $849.3K | 0.04% | +1,490+12.8% | Added |
| Railway Pension Investments Ltd | 13,200 | $853.9K | 0.01% | 00.0% | Unchanged |
| Aviva PLC | 13,270 | $858.4K | 0.00% | +239+1.8% | Added |
| Nissay Asset Management Corp | 13,740 | $888.8K | 0.01% | +335+2.5% | Added |
| Brandes Investment Partners, LP | 13,810 | $893.4K | 0.01% | +3,550+34.6% | Added |
| Boston Financial Mangement LLC | 14,000 | $905.7K | 0.03% | 00.0% | Unchanged |
| South Dakota Investment Council | 14,028 | $907.0K | 0.02% | −1,301−8.5% | Reduced |
| Cerity Partners LLC | 14,423 | $933.0K | 0.00% | +484+3.5% | Added |
| Gotham Asset Management, LLC | 14,555 | $941.6K | 0.01% | 00.0% | Unchanged |
| Public Sector Pension Investment Board | 14,662 | $948.5K | 0.01% | −360−2.4% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 15,096 | $976.6K | 0.00% | −623−4.0% | Reduced |
| 1832 Asset Management L.P. | 15,251 | $986.6K | 0.00% | −50−0.3% | Reduced |
| Ashton Thomas Private Wealth, LLC | 15,272 | $987.9K | 0.05% | −1,546−9.2% | Reduced |
| Donald L. Hagan, LLC | 15,371 | $994.4K | 0.53% | −1,888−10.9% | Reduced |
| Lido Advisors, LLC | 15,390 | $995.6K | 0.01% | +15,390 | New |
| TD Waterhouse Canada Inc. | 15,571 | $1.01M | 0.01% | +2,702+21.0% | Added |
| Stephens Inc | 15,623 | $1.01M | 0.02% | −9,984−39.0% | Reduced |
| XTX Topco Ltd | 15,671 | $1.01M | 0.09% | +15,671 | New |
| Merit Financial Group, LLC | 16,348 | $1.06M | 0.02% | +2,448+17.6% | Added |
| Xponance, Inc. | 16,403 | $1.06M | 0.01% | −1,724−9.5% | Reduced |
| Gould Capital, LLC | 16,653 | $1.08M | 0.76% | +420+2.6% | Added |
| Baird Financial Group, Inc. | 16,756 | $1.08M | 0.00% | +60+0.4% | Added |
| Utah Retirement Systems | 16,774 | $1.09M | 0.01% | −700−4.0% | Reduced |
| Tredje AP-fonden | 16,853 | $1.09M | 0.01% | −275−1.6% | Reduced |
| Lafayette Investments, Inc. | 16,990 | $1.10M | 0.25% | −662−3.8% | Reduced |
| Oppenheimer Asset Management Inc. | 17,214 | $1.11M | 0.01% | +2,380+16.0% | Added |
| DnB Asset Management AS | 17,599 | $1.14M | 0.01% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 17,914 | $1.16M | 0.00% | +8,771+95.9% | Added |
| Stifel Financial Corp | 18,000 | $1.16M | 0.00% | −147−0.8% | Reduced |
| Dynamic Technology Lab Private Ltd | 18,040 | $1.17M | 0.13% | +18,040 | New |
| Convergence Investment Partners, LLC | 18,271 | $1.18M | 0.35% | +12,602+222.3% | Added |
| IFM Investors Pty Ltd | 18,489 | $1.20M | 0.01% | −1,873−9.2% | Reduced |
| Pensionfund Sabic | 18,500 | $1.20M | 0.35% | 00.0% | Unchanged |
| AlTi Global, Inc. | 18,521 | $1.20M | 0.03% | 00.0% | Unchanged |
| Mediolanum International Funds Ltd | 20,034 | $1.20M | 0.02% | 00.0% | Unchanged |
| Voya Investment Management LLC | 18,791 | $1.22M | 0.00% | +3,004+19.0% | Added |
| Parallel Advisors, LLC | 19,033 | $1.23M | 0.03% | +1,227+6.9% | Added |
| Lecap Asset Management Ltd | 19,064 | $1.23M | 0.27% | +11,289+145.2% | Added |
| Moors & Cabot, Inc. | 19,651 | $1.27M | 0.07% | 00.0% | Unchanged |
| Portman Square Capital LLP | 20,247 | $1.31M | 0.44% | +20,247 | New |
| Pearl River Capital, LLC | 20,360 | $1.32M | 0.21% | +20,360 | New |
| TownSquare Capital, LLC | 20,553 | $1.33M | 0.02% | +3,739+22.2% | Added |
| Oregon Public Employees Retirement Fund | 20,716 | $1.34M | 0.03% | −3,900−15.8% | Reduced |
| New Mexico Educational Retirement Board | 20,800 | $1.35M | 0.05% | 00.0% | Unchanged |
| Davenport & Co LLC | 21,036 | $1.36M | 0.01% | 00.0% | Unchanged |
| Intech Investment Management LLC | 21,217 | $1.37M | 0.02% | +18,175+597.5% | Added |
| Ameritas Investment Partners, Inc. | 21,239 | $1.37M | 0.05% | −842−3.8% | Reduced |
| British Columbia Investment Management Corp | 21,419 | $1.39M | 0.01% | +8,094+60.7% | Added |
| JustInvest LLC | 21,443 | $1.39M | 0.03% | +1,924+9.9% | Added |
| Pacer Advisors, Inc. | 21,541 | $1.39M | 0.00% | +2,568+13.5% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 22,132 | $1.43M | 0.01% | +79+0.4% | Added |
| SG Americas Securities, LLC | 22,161 | $1.43M | 0.01% | +22,161 | New |
| Northwestern Mutual Investment Management Company, LLC | 22,287 | $1.44M | 0.04% | +50+0.2% | Added |
| Macquarie Group Ltd | 22,331 | $1.44M | 0.00% | −37,289−62.5% | Reduced |
| Oliver Luxxe Assets LLC | 22,570 | $1.46M | 0.31% | 00.0% | Unchanged |
| Schechter Investment Advisors, LLC | 22,591 | $1.46M | 0.11% | +989+4.6% | Added |
| Linden Thomas Advisory Services, LLC | 22,676 | $1.47M | 0.23% | −1,570−6.5% | Reduced |
| Neuberger Berman Group LLC | 22,745 | $1.47M | 0.00% | +447+2.0% | Added |
| Raymond James Financial Services Advisors, Inc. | 23,979 | $1.55M | 0.00% | −1,928−7.4% | Reduced |
| Standard Life Aberdeen plc | 24,552 | $1.59M | 0.00% | −12,870−34.4% | Reduced |
| Handelsbanken Fonder AB | 24,800 | $1.60M | 0.01% | 00.0% | Unchanged |
| Aurora Investment Counsel | 25,018 | $1.62M | 0.95% | +395+1.6% | Added |
| APG Asset Management N.V. | 27,061 | $1.63M | 0.00% | −151,455−84.8% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 25,385 | $1.64M | 0.01% | +5,900+30.3% | Added |