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 |
|---|---|---|---|---|---|
| Linden Thomas Advisory Services, LLC | 22,676 | $1.47M | 0.23% | −1,570−6.5% | Reduced |
| Schechter Investment Advisors, LLC | 22,591 | $1.46M | 0.11% | +989+4.6% | Added |
| Oliver Luxxe Assets LLC | 22,570 | $1.46M | 0.31% | 00.0% | Unchanged |
| Macquarie Group Ltd | 22,331 | $1.44M | 0.00% | −37,289−62.5% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 22,287 | $1.44M | 0.04% | +50+0.2% | Added |
| SG Americas Securities, LLC | 22,161 | $1.43M | 0.01% | +22,161 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 22,132 | $1.43M | 0.01% | +79+0.4% | Added |
| Pacer Advisors, Inc. | 21,541 | $1.39M | 0.00% | +2,568+13.5% | Added |
| JustInvest LLC | 21,443 | $1.39M | 0.03% | +1,924+9.9% | Added |
| British Columbia Investment Management Corp | 21,419 | $1.39M | 0.01% | +8,094+60.7% | Added |
| Ameritas Investment Partners, Inc. | 21,239 | $1.37M | 0.05% | −842−3.8% | Reduced |
| Intech Investment Management LLC | 21,217 | $1.37M | 0.02% | +18,175+597.5% | Added |
| Davenport & Co LLC | 21,036 | $1.36M | 0.01% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 20,800 | $1.35M | 0.05% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 20,716 | $1.34M | 0.03% | −3,900−15.8% | Reduced |
| TownSquare Capital, LLC | 20,553 | $1.33M | 0.02% | +3,739+22.2% | Added |
| Pearl River Capital, LLC | 20,360 | $1.32M | 0.21% | +20,360 | New |
| Portman Square Capital LLP | 20,247 | $1.31M | 0.44% | +20,247 | New |
| Moors & Cabot, Inc. | 19,651 | $1.27M | 0.07% | 00.0% | Unchanged |
| Lecap Asset Management Ltd | 19,064 | $1.23M | 0.27% | +11,289+145.2% | Added |
| Parallel Advisors, LLC | 19,033 | $1.23M | 0.03% | +1,227+6.9% | Added |
| Voya Investment Management LLC | 18,791 | $1.22M | 0.00% | +3,004+19.0% | Added |
| Mediolanum International Funds Ltd | 20,034 | $1.20M | 0.02% | 00.0% | Unchanged |
| AlTi Global, Inc. | 18,521 | $1.20M | 0.03% | 00.0% | Unchanged |
| Pensionfund Sabic | 18,500 | $1.20M | 0.35% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 18,489 | $1.20M | 0.01% | −1,873−9.2% | Reduced |
| Convergence Investment Partners, LLC | 18,271 | $1.18M | 0.35% | +12,602+222.3% | Added |
| Dynamic Technology Lab Private Ltd | 18,040 | $1.17M | 0.13% | +18,040 | New |
| Stifel Financial Corp | 18,000 | $1.16M | 0.00% | −147−0.8% | Reduced |
| Susquehanna International Group, LLP | 17,914 | $1.16M | 0.00% | +8,771+95.9% | Added |
| DnB Asset Management AS | 17,599 | $1.14M | 0.01% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 17,214 | $1.11M | 0.01% | +2,380+16.0% | Added |
| Lafayette Investments, Inc. | 16,990 | $1.10M | 0.25% | −662−3.8% | Reduced |
| Tredje AP-fonden | 16,853 | $1.09M | 0.01% | −275−1.6% | Reduced |
| Utah Retirement Systems | 16,774 | $1.09M | 0.01% | −700−4.0% | Reduced |
| Baird Financial Group, Inc. | 16,756 | $1.08M | 0.00% | +60+0.4% | Added |
| Gould Capital, LLC | 16,653 | $1.08M | 0.76% | +420+2.6% | Added |
| Xponance, Inc. | 16,403 | $1.06M | 0.01% | −1,724−9.5% | Reduced |
| Merit Financial Group, LLC | 16,348 | $1.06M | 0.02% | +2,448+17.6% | Added |
| XTX Topco Ltd | 15,671 | $1.01M | 0.09% | +15,671 | New |
| Stephens Inc | 15,623 | $1.01M | 0.02% | −9,984−39.0% | Reduced |
| TD Waterhouse Canada Inc. | 15,571 | $1.01M | 0.01% | +2,702+21.0% | Added |
| Lido Advisors, LLC | 15,390 | $995.6K | 0.01% | +15,390 | New |
| Donald L. Hagan, LLC | 15,371 | $994.4K | 0.53% | −1,888−10.9% | Reduced |
| Ashton Thomas Private Wealth, LLC | 15,272 | $987.9K | 0.05% | −1,546−9.2% | Reduced |
| 1832 Asset Management L.P. | 15,251 | $986.6K | 0.00% | −50−0.3% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 15,096 | $976.6K | 0.00% | −623−4.0% | Reduced |
| Public Sector Pension Investment Board | 14,662 | $948.5K | 0.01% | −360−2.4% | Reduced |
| Gotham Asset Management, LLC | 14,555 | $941.6K | 0.01% | 00.0% | Unchanged |
| Cerity Partners LLC | 14,423 | $933.0K | 0.00% | +484+3.5% | Added |
| South Dakota Investment Council | 14,028 | $907.0K | 0.02% | −1,301−8.5% | Reduced |
| Boston Financial Mangement LLC | 14,000 | $905.7K | 0.03% | 00.0% | Unchanged |
| Brandes Investment Partners, LP | 13,810 | $893.4K | 0.01% | +3,550+34.6% | Added |
| Nissay Asset Management Corp | 13,740 | $888.8K | 0.01% | +335+2.5% | Added |
| Aviva PLC | 13,270 | $858.4K | 0.00% | +239+1.8% | Added |
| Railway Pension Investments Ltd | 13,200 | $853.9K | 0.01% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 13,129 | $849.3K | 0.04% | +1,490+12.8% | Added |
| Valley National Advisers Inc | 12,908 | $835.0K | 0.12% | −410−3.1% | Reduced |
| Los Angeles Capital Management LLC | 12,825 | $829.6K | 0.00% | −565−4.2% | Reduced |
| True Wealth Design, LLC | 12,589 | $814.4K | 0.20% | +80+0.6% | Added |
| Bokf, NA | 12,083 | $781.6K | 0.01% | +10,244+557.0% | Added |
| CI Private Wealth, LLC | 11,900 | $769.8K | 0.00% | +210+1.8% | Added |
| Mackenzie Financial Corp | 11,848 | $766.4K | 0.00% | +2,689+29.4% | Added |
| MQS Management LLC | 11,651 | $753.7K | 0.46% | +11,651 | New |
| Ontario Teachers Pension Plan Board | 11,561 | $747.9K | 0.01% | −12,456−51.9% | Reduced |
| Tower Research Capital LLC (TRC) | 11,502 | $744.1K | 0.01% | +7,998+228.3% | Added |
| Neo Ivy Capital Management | 11,496 | $744.0K | 0.15% | +11,496 | New |
| Quantinno Capital Management LP | 11,227 | $726.3K | 0.01% | −4,617−29.1% | Reduced |
| Panagora Asset Management Inc | 11,137 | $720.5K | 0.00% | −7,611−40.6% | Reduced |
| ISAM Funds (UK) Ltd | 10,813 | $699.5K | 0.52% | +10,813 | New |
| BancorpSouth Bank | 10,692 | $691.7K | 0.05% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 10,514 | $675.0K | 0.00% | +853+8.8% | Added |
| Oak Thistle LLC | 10,431 | $674.8K | 0.50% | +10,431 | New |
| Fox Run Management, L.L.C. | 10,325 | $667.9K | 0.13% | +10,325 | New |
| Commerce Bank | 10,189 | $659.1K | 0.00% | −459−4.3% | Reduced |
| Central Pacific Bank - Trust Division | 10,136 | $655.7K | 0.08% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 10,086 | $652.5K | 0.00% | −509−4.8% | Reduced |
| DGS Capital Management, LLC | 10,070 | $651.4K | 0.18% | +1,231+13.9% | Added |
| RBF Capital, LLC | 10,000 | $646.9K | 0.04% | 00.0% | Unchanged |
| Logan Capital Management Inc | 9,700 | $627.5K | 0.03% | 00.0% | Unchanged |
| Patton Albertson Miller Group, LLC | 9,650 | $624.3K | 0.09% | −300−3.0% | Reduced |
| M&T Bank Corp | 9,585 | $620.1K | 0.00% | −609−6.0% | Reduced |
| Patten & Patten Inc | 9,500 | $614.6K | 0.04% | 00.0% | Unchanged |
| MBB Public Markets I LLC | 9,485 | $613.6K | 0.01% | +9,485 | New |
| Entropy Technologies, LP | 9,448 | $611.2K | 0.07% | +9,448 | New |
| Ethic Inc. | 9,416 | $609.1K | 0.01% | −587−5.9% | Reduced |
| Gulf International Bank (UK) Ltd | 9,309 | $602.0K | 0.02% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 9,300 | $601.6K | 0.16% | +6,200+200.0% | Added |
| NBC Securities, Inc. | 9,112 | $589.0K | 0.05% | −109−1.2% | Reduced |
| Nilsine Partners, LLC | 9,005 | $582.5K | 0.08% | −40.0% | Reduced |
| Wellington Shields & Co., LLC | 9,000 | $582.2K | 0.19% | 00.0% | Unchanged |
| Raymond James Trust N.A. | 8,939 | $578.3K | 0.01% | −23−0.3% | Reduced |
| Hillsdale Investment Management Inc. | 8,900 | $575.7K | 0.05% | +100+1.1% | Added |
| First Citizens Bank & Trust Co | 8,753 | $566.2K | 0.01% | +1,711+24.3% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 8,532 | $551.9K | 0.02% | −319−3.6% | Reduced |
| Glenmede Trust Co NA | 8,475 | $548.2K | 0.00% | −25,955−75.4% | Reduced |
| Ghe, LLC | 8,433 | $546.0K | 0.22% | −49−0.6% | Reduced |
| Crossmark Global Holdings, Inc. | 8,410 | $545.0K | 0.01% | −185−2.2% | Reduced |
| Mercer Global Advisors Inc | 8,326 | $538.6K | 0.00% | +395+5.0% | Added |
| Boothbay Fund Management, LLC | 8,326 | $538.6K | 0.02% | +8,326 | New |