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 11 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, Q1 2023
Institutional positions in SEI Investments Co as of Mar 31, 2023. 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
- 444
- +3 vs. Q4 2022
- Shares held
- 92.9M
- −484.0K (−0.5%) vs. Q4 2022
- Total value
- $5.36B
- −$88.6M (−1.6%) vs. Q4 2022
- New holders
- 41
- 140 more added
- Sold out
- 38
- 176 more reduced
5 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alps Advisors Inc | 70,996 | $4.09M | 0.04% | +7,822+12.4% | Added |
| Storebrand Asset Management AS | 70,682 | $4.07M | 0.02% | −3,093−4.2% | Reduced |
| Virginia Retirement Systems Et Al | 67,407 | $3.88M | 0.04% | +67,407 | New |
| Ensign Peak Advisors, Inc | 66,889 | $3.85M | 0.01% | −11,833−15.0% | Reduced |
| Public Employees Retirement System of Ohio | 65,233 | $3.75M | 0.02% | +4,947+8.2% | Added |
| RK Asset Management, LLC | 64,694 | $3.72M | 3.68% | −481−0.7% | Reduced |
| UBS Group AG | 63,639 | $3.66M | 0.00% | −55,162−46.4% | Reduced |
| MetLife Investment Management | 62,541 | $3.60M | 0.03% | −1,982−3.1% | Reduced |
| Treasurer of the State of North Carolina | 61,568 | $3.54M | 0.02% | +982+1.6% | Added |
| Robeco Institutional Asset Management B.V. | 60,919 | $3.51M | 0.01% | +2,134+3.6% | Added |
| Voya Investment Management LLC | 60,245 | $3.47M | 0.00% | +783+1.3% | Added |
| Nisa Investment Advisors, LLC | 59,789 | $3.44M | 0.03% | −11,415−16.0% | Reduced |
| Natixis | 59,500 | $3.42M | 0.03% | −8,646−12.7% | Reduced |
| Union Heritage Capital, LLC | 59,050 | $3.40M | 2.06% | 00.0% | Unchanged |
| Toronto Dominion Bank | 58,922 | $3.39M | 0.01% | −4,609−7.3% | Reduced |
| The PNC Financial Services Group, Inc. | 58,682 | $3.38M | 0.00% | −673−1.1% | Reduced |
| Aviva PLC | 58,333 | $3.36M | 0.02% | +23,020+65.2% | Added |
| HBK Sorce Advisory LLC | 57,848 | $3.33M | 0.15% | −57,926−50.0% | Reduced |
| Bridgewater Associates, LP | 57,839 | $3.33M | 0.02% | −21,897−27.5% | Reduced |
| Davis R M Inc | 57,791 | $3.33M | 0.08% | −13,720−19.2% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 57,747 | $3.32M | 0.04% | +16,500+40.0% | Added |
| Acadian Asset Management LLC | 56,093 | $3.22M | 0.01% | +46,069+459.6% | Added |
| State of New Jersey Common Pension Fund D | 54,850 | $3.16M | 0.01% | −5,453−9.0% | Reduced |
| Ingalls & Snyder LLC | 53,900 | $3.10M | 0.16% | −550−1.0% | Reduced |
| Allianz Asset Management GmbH | 53,657 | $3.09M | 0.01% | +2,335+4.5% | Added |
| APG Asset Management N.V. | 58,216 | $3.08M | 0.01% | +7,894+15.7% | Added |
| Yousif Capital Management, LLC | 53,490 | $3.08M | 0.04% | −870−1.6% | Reduced |
| Taylor Hoffman Wealth Management | 53,185 | $3.06M | 1.68% | −119−0.2% | Reduced |
| Alberta Investment Management Corp | 50,891 | $2.93M | 0.03% | +50,891 | New |
| Price T Rowe Associates Inc | 50,778 | $2.92M | 0.00% | +1,461+3.0% | Added |
| Sepio Capital, LP | 49,668 | $2.86M | 0.26% | −5,316−9.7% | Reduced |
| Swiss Life Asset Management Ltd | 49,131 | $2.83M | 0.04% | +49,131 | New |
| West Coast Financial LLC | 48,587 | $2.80M | 0.43% | −417−0.9% | Reduced |
| Voloridge Investment Management, LLC | 48,229 | $2.78M | 0.01% | −130,331−73.0% | Reduced |
| AXA S.A. | 47,858 | $2.75M | 0.01% | −20,008−29.5% | Reduced |
| Asset Management One Co.,Ltd. | 47,202 | $2.72M | 0.01% | −905−1.9% | Reduced |
| Vident Investment Advisory, LLC | 46,670 | $2.69M | 0.09% | −2,056−4.2% | Reduced |
| Vontobel Holding Ltd. | 46,633 | $2.68M | 0.02% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 46,624 | $2.68M | 0.01% | −66,083−58.6% | Reduced |
| SG Americas Securities, LLC | 46,004 | $2.65M | 0.04% | +12,250+36.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 45,925 | $2.64M | 0.02% | −172−0.4% | Reduced |
| Millennium Management LLC | 44,811 | $2.58M | 0.00% | +44,811 | New |
| Wells Fargo & Company | 44,118 | $2.54M | 0.00% | −1,992−4.3% | Reduced |
| LPL Financial LLC | 43,564 | $2.51M | 0.00% | −2,049−4.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 42,811 | $2.46M | 0.01% | −4,158−8.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 42,182 | $2.43M | 0.01% | +7,398+21.3% | Added |
| Henshaw Capital LLC | 42,134 | $2.42M | 0.15% | +303+0.7% | Added |
| Gries Financial LLC | 41,508 | $2.39M | 0.71% | −3,494−7.8% | Reduced |
| Stephens Inc | 41,379 | $2.38M | 0.05% | +169+0.4% | Added |
| Johnson Investment Counsel Inc | 40,441 | $2.33M | 0.03% | +341+0.9% | Added |
| Oregon Public Employees Retirement Fund | 40,194 | $2.31M | 0.03% | −1,267−3.1% | Reduced |
| Monument Capital Management | 39,929 | $2.30M | 0.77% | −883−2.2% | Reduced |
| Wealth Alliance Advisory Group, LLC | 37,504 | $2.16M | 0.81% | 00.0% | Unchanged |
| Korea Investment CORP | 37,394 | $2.15M | 0.01% | −84,165−69.2% | Reduced |
| South Dakota Investment Council | 37,229 | $2.14M | 0.05% | 00.0% | Unchanged |
| Atria Investments LLC | 36,247 | $2.09M | 0.04% | +931+2.6% | Added |
| Winton Group Ltd | 35,807 | $2.06M | 0.13% | +4,785+15.4% | Added |
| NJ State Employees Deferred Compensation Plan | 35,400 | $2.04M | 0.31% | 00.0% | Unchanged |
| Pinebridge Investments, L.P. | 35,292 | $2.03M | 0.02% | +35,292 | New |
| Banque Pictet & Cie SA | 34,167 | $1.97M | 0.02% | +8,489+33.1% | Added |
| Glenmede Trust Co NA | 33,706 | $1.94M | 0.01% | +25,660+318.9% | Added |
| Arizona State Retirement System | 33,318 | $1.92M | 0.02% | +720+2.2% | Added |
| State of Michigan Retirement System | 32,924 | $1.89M | 0.01% | −300−0.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 31,000 | $1.78M | 0.04% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 30,749 | $1.77M | 0.02% | +9,075+41.9% | Added |
| Duality Advisers, LP | 29,715 | $1.71M | 0.19% | +29,715 | New |
| Prudential PLC | 29,409 | $1.69M | 0.02% | −6,897−19.0% | Reduced |
| Royal London Asset Management Ltd | 28,633 | $1.65M | 0.01% | +3,102+12.1% | Added |
| Nomura Asset Management Co Ltd | 28,520 | $1.64M | 0.01% | −240−0.8% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 27,933 | $1.61M | 0.01% | −602−2.1% | Reduced |
| Bright Rock Capital Management, LLC | 27,600 | $1.59M | 0.40% | 00.0% | Unchanged |
| Achmea Investment Management B.V. | 27,439 | $1.58M | 0.05% | +1,489+5.7% | Added |
| Meeder Asset Management Inc | 27,370 | $1.58M | 0.13% | +15,310+126.9% | Added |
| Van Eck Associates Corp | 27,189 | $1.56M | 0.00% | +3,880+16.6% | Added |
| Desjardins Global Asset Management Inc. | 27,077 | $1.56M | 0.20% | +21,780+411.2% | Added |
| Louisiana State Employees Retirement System | 27,000 | $1.55M | 0.04% | −400−1.5% | Reduced |
| Thrivent Financial for Lutherans | 26,909 | $1.55M | 0.00% | −385−1.4% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 26,600 | $1.53M | 0.00% | +2,107+8.6% | Added |
| Smithbridge Asset Management Inc | 26,201 | $1.51M | 0.38% | +400+1.6% | Added |
| Illinois Municipal Retirement Fund | 26,089 | $1.50M | 0.03% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 25,958 | $1.49M | 0.06% | −524−2.0% | Reduced |
| Baker Tilly Wealth Management, LLC | 25,292 | $1.46M | 0.16% | +1,670+7.1% | Added |
| CWM Advisors, LLC | 25,182 | $1.45M | 0.18% | +678+2.8% | Added |
| Mackenzie Financial Corp | 24,772 | $1.43M | 0.00% | +9,993+67.6% | Added |
| Tredje AP-fonden | 24,302 | $1.40M | 0.02% | +1,021+4.4% | Added |
| Putnam Investments LLC | 24,172 | $1.39M | 0.00% | +24,172 | New |
| Ontario Teachers Pension Plan Board | 24,067 | $1.39M | 0.01% | +1,993+9.0% | Added |
| Trexquant Investment LP | 23,815 | $1.37M | 0.04% | −1,878−7.3% | Reduced |
| Neuberger Berman Group LLC | 23,784 | $1.37M | 0.00% | +12,827+117.1% | Added |
| Aurora Investment Counsel | 23,542 | $1.35M | 0.89% | +41+0.2% | Added |
| Northwestern Mutual Investment Management Company, LLC | 22,621 | $1.30M | 0.03% | +13,138+138.5% | Added |
| Oliver Luxxe Assets LLC | 22,570 | $1.30M | 0.34% | 00.0% | Unchanged |
| Toroso Investments, LLC | 22,539 | $1.30M | 0.04% | −1,722−7.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 22,299 | $1.28M | 0.01% | +1,725+8.4% | Added |
| Gotham Asset Management, LLC | 22,020 | $1.27M | 0.03% | +6,667+43.4% | Added |
| Schechter Investment Advisors, LLC | 21,460 | $1.24M | 0.11% | +1,302+6.5% | Added |
| Engineers Gate Manager LP | 21,377 | $1.23M | 0.05% | +21,377 | New |
| Skandinaviska Enskilda Banken AB (publ) | 21,334 | $1.23M | 0.01% | −77,140−78.3% | Reduced |
| Davenport & Co LLC | 21,045 | $1.21M | 0.01% | −30.0% | Reduced |
| Macquarie Group Ltd | 20,764 | $1.19M | 0.00% | +1,788+9.4% | Added |