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 2022
Institutional positions in SEI Investments Co as of Sep 30, 2022. 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
- 433
- −22 vs. Q2 2022
- Shares held
- 94.3M
- −1.22M (−1.3%) vs. Q2 2022
- Total value
- $4.63B
- −$551.2M (−10.6%) vs. Q2 2022
- New holders
- 28
- 132 more added
- Sold out
- 50
- 169 more reduced
1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2022: 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 2022
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| 1832 Asset Management L.P. | 14,436 | $708.0K | 0.00% | +14,436 | New |
| DekaBank Deutsche Girozentrale | 14,153 | $714.0K | 0.00% | +1,590+12.7% | Added |
| CWM Advisors, LLC | 14,645 | $718.0K | 0.10% | −1,597−9.8% | Reduced |
| Worldquant Millennium Advisors LLC | 14,688 | $720.0K | 0.02% | −131,719−90.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 14,835 | $727.0K | 0.00% | +3,279+28.4% | Added |
| Northwestern Mutual Investment Management Company, LLC | 14,872 | $729.0K | 0.02% | −2,589−14.8% | Reduced |
| FDx Advisors, Inc. | 14,897 | $731.0K | 0.03% | −4,603−23.6% | Reduced |
| Westwood Holdings Group Inc. | 15,186 | $744.0K | 0.01% | −12,701−45.5% | Reduced |
| Citadel Advisors LLC | 15,554 | $763.0K | 0.00% | −27,385−63.8% | Reduced |
| TrimTabs Asset Management, LLC | 15,576 | $764.0K | 0.53% | −1,140−6.8% | Reduced |
| Boston Financial Mangement LLC | 15,900 | $780.0K | 0.03% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 15,900 | $780.0K | 0.00% | +172+1.1% | Added |
| Marshall Financial Group LLC | 15,945 | $782.0K | 0.33% | −9−0.1% | Reduced |
| Federated Hermes, Inc. | 16,014 | $785.0K | 0.00% | −1,345−7.7% | Reduced |
| DnB Asset Management AS | 16,079 | $788.7K | 0.01% | 00.0% | Unchanged |
| Van Eck Associates Corp | 16,160 | $793.0K | 0.00% | +937+6.2% | Added |
| Zeke Capital Advisors, LLC | 16,242 | $797.0K | 0.06% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,339 | $801.0K | 0.00% | +3,630+28.6% | Added |
| New Mexico Educational Retirement Board | 16,400 | $804.0K | 0.04% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 16,424 | $806.0K | 0.00% | −2,926−15.1% | Reduced |
| Acadian Asset Management LLC | 16,465 | $806.0K | 0.00% | +6,441+64.3% | Added |
| Teachers Retirement System of the State of Kentucky | 16,652 | $817.0K | 0.01% | +16,652 | New |
| Oppenheimer Asset Management Inc. | 16,785 | $824.0K | 0.01% | −187−1.1% | Reduced |
| M&T Bank Corp | 16,808 | $826.0K | 0.00% | +227+1.4% | Added |
| Gould Capital, LLC | 17,641 | $865.0K | 0.75% | −20.0% | Reduced |
| Cresset Asset Management, LLC | 17,685 | $868.0K | 0.01% | +448+2.6% | Added |
| Achmea Investment Management B.V. | 17,803 | $873.0K | 0.03% | −295−1.6% | Reduced |
| First Republic Investment Management, Inc. | 17,853 | $876.0K | 0.00% | +3,161+21.5% | Added |
| Ashton Thomas Private Wealth, LLC | 17,906 | $878.3K | 0.10% | +194+1.1% | Added |
| Handelsbanken Fonder AB | 18,000 | $883.0K | 0.01% | +5,100+39.5% | Added |
| Donald L. Hagan, LLC | 18,202 | $893.0K | 0.63% | −400−2.2% | Reduced |
| Baker Tilly Wealth Management, LLC | 18,289 | $897.0K | 0.12% | −1,027−5.3% | Reduced |
| Parallel Advisors, LLC | 18,425 | $904.0K | 0.04% | +5,964+47.9% | Added |
| Utah Retirement Systems | 18,574 | $911.0K | 0.02% | −500−2.6% | Reduced |
| Tiedemann Advisors, LLC | 18,721 | $918.0K | 0.06% | 00.0% | Unchanged |
| Valley National Advisers Inc | 18,549 | $920.0K | 0.19% | −465−2.4% | Reduced |
| Susquehanna International Group, LLP | 18,882 | $926.0K | 0.00% | +6,910+57.7% | Added |
| Lido Advisors, LLC | 18,884 | $926.0K | 0.02% | +18,884 | New |
| Pinebridge Investments, L.P. | 18,947 | $929.0K | 0.01% | −14,675−43.6% | Reduced |
| Macquarie Group Ltd | 18,928 | $929.0K | 0.00% | −1,858−8.9% | Reduced |
| Jane Street Group, LLC | 19,045 | $934.0K | 0.00% | +11,484+151.9% | Added |
| Panagora Asset Management Inc | 19,113 | $937.0K | 0.01% | 00.0% | Unchanged |
| JustInvest LLC | 19,221 | $943.0K | 0.04% | +407+2.2% | Added |
| Gulf International Bank (UK) Ltd | 19,343 | $948.0K | 0.02% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 19,546 | $959.0K | 0.07% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 19,795 | $971.0K | 0.02% | 00.0% | Unchanged |
| Lafayette Investments, Inc. | 20,075 | $985.0K | 0.30% | −2,286−10.2% | Reduced |
| Advisor Group Holdings, Inc. | 20,411 | $1.00M | 0.00% | +660+3.3% | Added |
| Davenport & Co LLC | 21,048 | $1.03M | 0.01% | +33+0.2% | Added |
| Royal London Asset Management Ltd | 21,871 | $1.07M | 0.01% | −15,020−40.7% | Reduced |
| Allianz Asset Management GmbH | 22,375 | $1.10M | 0.00% | +1,928+9.4% | Added |
| Schechter Investment Advisors, LLC | 22,463 | $1.10M | 0.11% | +110+0.5% | Added |
| Banque Pictet & Cie SA | 22,505 | $1.10M | 0.01% | +2,435+12.1% | Added |
| Oliver Luxxe Assets LLC | 22,570 | $1.11M | 0.35% | 00.0% | Unchanged |
| Captrust Financial Advisors | 23,566 | $1.16M | 0.01% | +17,872+313.9% | Added |
| Aurora Investment Counsel | 23,860 | $1.17M | 0.89% | +1,968+9.0% | Added |
| Toroso Investments, LLC | 24,048 | $1.18M | 0.05% | −3,046−11.2% | Reduced |
| Globeflex Capital L P | 24,144 | $1.18M | 0.20% | +3,604+17.5% | Added |
| Tredje AP-fonden | 24,193 | $1.19M | 0.02% | +24,193 | New |
| AlphaCrest Capital Management LLC | 24,608 | $1.21M | 0.07% | −28,467−53.6% | Reduced |
| Pensionfund Sabic | 25,000 | $1.23M | 0.43% | 00.0% | Unchanged |
| Trexquant Investment LP | 25,732 | $1.26M | 0.04% | +2,859+12.5% | Added |
| Squarepoint Ops LLC | 25,767 | $1.26M | 0.01% | +20,683+406.8% | Added |
| Morris Capital Advisors, LLC | 25,801 | $1.27M | 1.19% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 26,089 | $1.28M | 0.03% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 26,272 | $1.29M | 0.01% | −2,025−7.2% | Reduced |
| Moody Aldrich Partners LLC | 26,317 | $1.29M | 0.27% | −8,536−24.5% | Reduced |
| Ameritas Investment Partners, Inc. | 26,482 | $1.30M | 0.06% | −15,257−36.6% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 27,077 | $1.33M | 0.00% | −1,034−3.7% | Reduced |
| Louisiana State Employees Retirement System | 27,400 | $1.34M | 0.04% | 00.0% | Unchanged |
| Bright Rock Capital Management, LLC | 27,600 | $1.35M | 0.38% | 00.0% | Unchanged |
| Stifel Financial Corp | 28,442 | $1.40M | 0.00% | −4,741−14.3% | Reduced |
| Gries Financial LLC | 30,362 | $1.49M | 0.63% | +1,330+4.6% | Added |
| Ontario Teachers Pension Plan Board | 31,069 | $1.52M | 0.02% | +13,907+81.0% | Added |
| Prudential PLC | 31,396 | $1.54M | 0.02% | +7,546+31.6% | Added |
| Arizona State Retirement System | 32,035 | $1.57M | 0.02% | −787−2.4% | Reduced |
| State of Michigan Retirement System | 33,124 | $1.63M | 0.01% | −500−1.5% | Reduced |
| Versor Investments LP | 33,755 | $1.66M | 0.10% | −543−1.6% | Reduced |
| Winton Group Ltd | 34,800 | $1.71M | 0.11% | +3,742+12.0% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 34,962 | $1.72M | 0.01% | +6,482+22.8% | Added |
| Atria Investments LLC | 35,069 | $1.72M | 0.04% | −834−2.3% | Reduced |
| NJ State Employees Deferred Compensation Plan | 35,400 | $1.74M | 0.30% | 00.0% | Unchanged |
| Voya Investment Management LLC | 36,398 | $1.79M | 0.00% | −56,604−60.9% | Reduced |
| Foyston, Gordon, & Payne Inc | 36,439 | $1.79M | 0.49% | +5,066+16.1% | Added |
| South Dakota Investment Council | 37,229 | $1.83M | 0.04% | 00.0% | Unchanged |
| Pinnacle Financial Partners Inc | 37,419 | $1.83M | 0.07% | +37,419 | New |
| Wealth Alliance Advisory Group, LLC | 37,504 | $1.84M | 0.81% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 38,663 | $1.96M | 0.02% | −322−0.8% | Reduced |
| Johnson Investment Counsel Inc | 40,100 | $1.97M | 0.03% | 00.0% | Unchanged |
| Monument Capital Management | 40,218 | $1.97M | 0.74% | +4,939+14.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 40,826 | $2.00M | 0.02% | −474−1.1% | Reduced |
| Stephens Inc | 41,336 | $2.03M | 0.04% | +8,036+24.1% | Added |
| Holocene Advisors, LP | 41,813 | $2.05M | 0.01% | +25,048+149.4% | Added |
| Henshaw Capital LLC | 41,831 | $2.05M | 0.15% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 41,851 | $2.05M | 0.03% | −1,069−2.5% | Reduced |
| Natixis | 42,200 | $2.07M | 0.01% | 00.0% | Unchanged |
| Aviva PLC | 43,556 | $2.14M | 0.01% | −7,429−14.6% | Reduced |
| Magnetar Financial LLC | 44,723 | $2.19M | 0.03% | +37,554+523.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 45,610 | $2.24M | 0.01% | −53,375−53.9% | Reduced |
| LPL Financial LLC | 45,747 | $2.24M | 0.00% | −1,233−2.6% | Reduced |