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, 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 |
|---|---|---|---|---|---|
| True Wealth Design, LLC | 13,032 | $750.0K | 0.31% | −130−1.0% | Reduced |
| Xponance, Inc. | 13,653 | $785.7K | 0.01% | −7−0.1% | Reduced |
| Ergoteles LLC | 13,765 | $792.2K | 0.03% | +13,765 | New |
| Public Sector Pension Investment Board | 14,104 | $811.7K | 0.01% | +1,587+12.7% | Added |
| Federated Hermes, Inc. | 14,227 | $818.8K | 0.00% | −360−2.5% | Reduced |
| AE Wealth Management LLC | 14,387 | $828.0K | 0.01% | +871+6.4% | Added |
| M&T Bank Corp | 14,426 | $830.2K | 0.00% | −3,278−18.5% | Reduced |
| Gould Capital, LLC | 14,465 | $832.5K | 0.64% | −3,018−17.3% | Reduced |
| Versor Investments LP | 14,772 | $850.1K | 0.11% | −1,800−10.9% | Reduced |
| Investment Management Corp of Ontario | 14,884 | $856.6K | 0.04% | 00.0% | Unchanged |
| Twin Tree Management, LP | 15,022 | $864.5K | 0.02% | +10,829+258.3% | Added |
| Manchester Capital Management LLC | 15,030 | $865.0K | 0.11% | +15,030 | New |
| Gulf International Bank (UK) Ltd | 15,480 | $890.0K | 0.02% | −3,863−20.0% | Reduced |
| Cubist Systematic Strategies, LLC | 15,489 | $891.4K | 0.01% | +9,868+175.6% | Added |
| Advisor Group Holdings, Inc. | 15,889 | $913.2K | 0.00% | −227−1.4% | Reduced |
| Boston Financial Mangement LLC | 15,900 | $915.0K | 0.04% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 15,997 | $920.6K | 0.00% | +21+0.1% | Added |
| First Republic Investment Management, Inc. | 16,003 | $921.0K | 0.00% | −2,599−14.0% | Reduced |
| DnB Asset Management AS | 16,102 | $926.7K | 0.01% | +331+2.1% | Added |
| Y-Intercept (Hong Kong) Ltd | 16,166 | $930.4K | 0.11% | +439+2.8% | Added |
| Janus Henderson Group PLC | 16,415 | $944.4K | 0.00% | −70.0% | Reduced |
| Acrisure Capital Management, LLC | 16,512 | $950.3K | 0.96% | +12,823+347.6% | Added |
| Teachers Retirement System of the State of Kentucky | 16,652 | $958.0K | 0.01% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 16,976 | $977.0K | 0.02% | −302−1.7% | Reduced |
| Oppenheimer Asset Management Inc. | 17,603 | $1.01M | 0.02% | −417−2.3% | Reduced |
| Jane Street Group, LLC | 17,670 | $1.02M | 0.00% | −1,067−5.7% | Reduced |
| Ashton Thomas Private Wealth, LLC | 17,783 | $1.02M | 0.09% | +13+0.1% | Added |
| TownSquare Capital, LLC | 17,936 | $1.03M | 0.02% | +1,955+12.2% | Added |
| Handelsbanken Fonder AB | 18,000 | $1.04M | 0.01% | 00.0% | Unchanged |
| 1832 Asset Management L.P. | 18,084 | $1.04M | 0.00% | +4,565+33.8% | Added |
| TrimTabs Asset Management, LLC | 18,308 | $1.05M | 0.56% | +2,380+14.9% | Added |
| Valley National Advisers Inc | 18,028 | $1.06M | 0.19% | −142−0.8% | Reduced |
| Tiedemann Advisors, LLC | 18,521 | $1.07M | 0.05% | 00.0% | Unchanged |
| Utah Retirement Systems | 18,574 | $1.07M | 0.02% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 18,600 | $1.07M | 0.05% | +2,200+13.4% | Added |
| Panagora Asset Management Inc | 18,748 | $1.08M | 0.01% | −365−1.9% | Reduced |
| Moors & Cabot, Inc. | 19,471 | $1.12M | 0.08% | 00.0% | Unchanged |
| Donald L. Hagan, LLC | 19,596 | $1.13M | 0.62% | +438+2.3% | Added |
| Nilsine Partners, LLC | 19,727 | $1.14M | 0.18% | +19,727 | New |
| Lafayette Investments, Inc. | 20,298 | $1.17M | 0.32% | −495−2.4% | Reduced |
| IFM Investors Pty Ltd | 20,361 | $1.17M | 0.02% | +566+2.9% | Added |
| Standard Life Aberdeen plc | 20,417 | $1.17M | 0.00% | +8,430+70.3% | Added |
| Pensionfund Sabic | 20,500 | $1.18M | 0.41% | −4,500−18.0% | Reduced |
| Captrust Financial Advisors | 20,717 | $1.19M | 0.01% | −3,200−13.4% | Reduced |
| Macquarie Group Ltd | 20,764 | $1.19M | 0.00% | +1,788+9.4% | Added |
| Davenport & Co LLC | 21,045 | $1.21M | 0.01% | −30.0% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 21,334 | $1.23M | 0.01% | −77,140−78.3% | Reduced |
| Engineers Gate Manager LP | 21,377 | $1.23M | 0.05% | +21,377 | New |
| Schechter Investment Advisors, LLC | 21,460 | $1.24M | 0.11% | +1,302+6.5% | Added |
| Gotham Asset Management, LLC | 22,020 | $1.27M | 0.03% | +6,667+43.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 22,299 | $1.28M | 0.01% | +1,725+8.4% | Added |
| Toroso Investments, LLC | 22,539 | $1.30M | 0.04% | −1,722−7.1% | Reduced |
| Oliver Luxxe Assets LLC | 22,570 | $1.30M | 0.34% | 00.0% | Unchanged |
| Northwestern Mutual Investment Management Company, LLC | 22,621 | $1.30M | 0.03% | +13,138+138.5% | Added |
| Aurora Investment Counsel | 23,542 | $1.35M | 0.89% | +41+0.2% | Added |
| Neuberger Berman Group LLC | 23,784 | $1.37M | 0.00% | +12,827+117.1% | Added |
| Trexquant Investment LP | 23,815 | $1.37M | 0.04% | −1,878−7.3% | Reduced |
| Ontario Teachers Pension Plan Board | 24,067 | $1.39M | 0.01% | +1,993+9.0% | Added |
| Putnam Investments LLC | 24,172 | $1.39M | 0.00% | +24,172 | New |
| Tredje AP-fonden | 24,302 | $1.40M | 0.02% | +1,021+4.4% | Added |
| Mackenzie Financial Corp | 24,772 | $1.43M | 0.00% | +9,993+67.6% | Added |
| CWM Advisors, LLC | 25,182 | $1.45M | 0.18% | +678+2.8% | Added |
| Baker Tilly Wealth Management, LLC | 25,292 | $1.46M | 0.16% | +1,670+7.1% | Added |
| Ameritas Investment Partners, Inc. | 25,958 | $1.49M | 0.06% | −524−2.0% | Reduced |
| Illinois Municipal Retirement Fund | 26,089 | $1.50M | 0.03% | 00.0% | Unchanged |
| Smithbridge Asset Management Inc | 26,201 | $1.51M | 0.38% | +400+1.6% | Added |
| Raymond James Financial Services Advisors, Inc. | 26,600 | $1.53M | 0.00% | +2,107+8.6% | Added |
| Thrivent Financial for Lutherans | 26,909 | $1.55M | 0.00% | −385−1.4% | Reduced |
| Louisiana State Employees Retirement System | 27,000 | $1.55M | 0.04% | −400−1.5% | Reduced |
| Desjardins Global Asset Management Inc. | 27,077 | $1.56M | 0.20% | +21,780+411.2% | Added |
| Van Eck Associates Corp | 27,189 | $1.56M | 0.00% | +3,880+16.6% | Added |
| Meeder Asset Management Inc | 27,370 | $1.58M | 0.13% | +15,310+126.9% | Added |
| Achmea Investment Management B.V. | 27,439 | $1.58M | 0.05% | +1,489+5.7% | Added |
| Bright Rock Capital Management, LLC | 27,600 | $1.59M | 0.40% | 00.0% | Unchanged |
| Chevy Chase Trust Holdings, Inc. | 27,933 | $1.61M | 0.01% | −602−2.1% | Reduced |
| Nomura Asset Management Co Ltd | 28,520 | $1.64M | 0.01% | −240−0.8% | Reduced |
| Royal London Asset Management Ltd | 28,633 | $1.65M | 0.01% | +3,102+12.1% | Added |
| Prudential PLC | 29,409 | $1.69M | 0.02% | −6,897−19.0% | Reduced |
| Duality Advisers, LP | 29,715 | $1.71M | 0.19% | +29,715 | New |
| Schonfeld Strategic Advisors LLC | 30,749 | $1.77M | 0.02% | +9,075+41.9% | Added |
| Susquehanna Fundamental Investments, LLC | 31,000 | $1.78M | 0.04% | 00.0% | Unchanged |
| State of Michigan Retirement System | 32,924 | $1.89M | 0.01% | −300−0.9% | Reduced |
| Arizona State Retirement System | 33,318 | $1.92M | 0.02% | +720+2.2% | Added |
| Glenmede Trust Co NA | 33,706 | $1.94M | 0.01% | +25,660+318.9% | Added |
| Banque Pictet & Cie SA | 34,167 | $1.97M | 0.02% | +8,489+33.1% | Added |
| Pinebridge Investments, L.P. | 35,292 | $2.03M | 0.02% | +35,292 | New |
| NJ State Employees Deferred Compensation Plan | 35,400 | $2.04M | 0.31% | 00.0% | Unchanged |
| Winton Group Ltd | 35,807 | $2.06M | 0.13% | +4,785+15.4% | Added |
| Atria Investments LLC | 36,247 | $2.09M | 0.04% | +931+2.6% | Added |
| South Dakota Investment Council | 37,229 | $2.14M | 0.05% | 00.0% | Unchanged |
| Korea Investment CORP | 37,394 | $2.15M | 0.01% | −84,165−69.2% | Reduced |
| Wealth Alliance Advisory Group, LLC | 37,504 | $2.16M | 0.81% | 00.0% | Unchanged |
| Monument Capital Management | 39,929 | $2.30M | 0.77% | −883−2.2% | Reduced |
| Oregon Public Employees Retirement Fund | 40,194 | $2.31M | 0.03% | −1,267−3.1% | Reduced |
| Johnson Investment Counsel Inc | 40,441 | $2.33M | 0.03% | +341+0.9% | Added |
| Stephens Inc | 41,379 | $2.38M | 0.05% | +169+0.4% | Added |
| Gries Financial LLC | 41,508 | $2.39M | 0.71% | −3,494−7.8% | Reduced |
| Henshaw Capital LLC | 42,134 | $2.42M | 0.15% | +303+0.7% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 42,182 | $2.43M | 0.01% | +7,398+21.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 42,811 | $2.46M | 0.01% | −4,158−8.9% | Reduced |