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, Q4 2024
Institutional positions in SEI Investments Co as of Dec 31, 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
- 540
- +45 vs. Q3 2024
- Shares held
- 91.2M
- +90.1K (+0.1%) vs. Q3 2024
- Total value
- $7.52B
- +$1.22B (+19.3%) vs. Q3 2024
- New holders
- 95
- 160 more added
- Sold out
- 50
- 186 more reduced
7 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Stifel Financial Corp | 17,307 | $1.43M | 0.00% | −17−0.1% | Reduced |
| Xponance, Inc. | 17,337 | $1.43M | 0.01% | +911+5.5% | Added |
| Intech Investment Management LLC | 17,348 | $1.43M | 0.01% | +10,190+142.4% | Added |
| Portman Square Capital LLP | 17,408 | $1.44M | 0.28% | +7,140+69.5% | Added |
| Quest Partners LLC | 17,430 | $1.44M | 0.19% | −8,986−34.0% | Reduced |
| Brandes Investment Partners, LP | 17,610 | $1.45M | 0.02% | +1,772+11.2% | Added |
| Oppenheimer Asset Management Inc. | 17,844 | $1.47M | 0.02% | −138−0.8% | Reduced |
| Neuberger Berman Group LLC | 18,590 | $1.53M | 0.00% | −3,989−17.7% | Reduced |
| Oliver Luxxe Assets LLC | 22,570 | $1.56M | 0.28% | 00.0% | Unchanged |
| Pensionfund Sabic | 19,000 | $1.57M | 0.41% | +3,000+18.8% | Added |
| Engineers Gate Manager LP | 19,199 | $1.58M | 0.03% | −21,200−52.5% | Reduced |
| Ameritas Investment Partners, Inc. | 19,623 | $1.62M | 0.05% | −630−3.1% | Reduced |
| Aurora Investment Counsel | 19,747 | $1.63M | 0.89% | −5,415−21.5% | Reduced |
| Oregon Public Employees Retirement Fund | 19,986 | $1.65M | 0.03% | −150−0.7% | Reduced |
| Davenport & Co LLC | 20,777 | $1.71M | 0.01% | +15+0.1% | Added |
| Moors & Cabot, Inc. | 20,780 | $1.71M | 0.08% | +1,129+5.7% | Added |
| New Mexico Educational Retirement Board | 20,800 | $1.72M | 0.06% | 00.0% | Unchanged |
| Ascent Group, LLC | 20,865 | $1.72M | 0.13% | +851+4.3% | Added |
| British Columbia Investment Management Corp | 21,151 | $1.74M | 0.01% | +2,509+13.5% | Added |
| Schechter Investment Advisors, LLC | 21,334 | $1.76M | 0.13% | −753−3.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 21,637 | $1.78M | 0.01% | −124−0.6% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 21,773 | $1.80M | 0.04% | −128−0.6% | Reduced |
| Cerity Partners LLC | 22,294 | $1.80M | 0.00% | +7,938+55.3% | Added |
| DnB Asset Management AS | 21,925 | $1.81M | 0.01% | +450+2.1% | Added |
| Churchill Management Corp | 22,039 | $1.82M | 0.02% | +22,039 | New |
| Linden Thomas Advisory Services, LLC | 22,479 | $1.85M | 0.23% | −36−0.2% | Reduced |
| Handelsbanken Fonder AB | 22,700 | $1.87M | 0.01% | −4,200−15.6% | Reduced |
| Macquarie Group Ltd | 23,199 | $1.91M | 0.00% | +164+0.7% | Added |
| Sterling Capital Management LLC | 23,207 | $1.91M | 0.03% | +798+3.6% | Added |
| Susquehanna International Group, LLP | 23,298 | $1.92M | 0.00% | −16,202−41.0% | Reduced |
| SG Americas Securities, LLC | 24,799 | $2.04M | 0.01% | +11,739+89.9% | Added |
| Worldquant Millennium Advisors LLC | 24,822 | $2.05M | 0.01% | −499−2.0% | Reduced |
| State of Michigan Retirement System | 25,224 | $2.08M | 0.01% | −300−1.2% | Reduced |
| Bank of Nova Scotia | 25,385 | $2.09M | 0.00% | −144,030−85.0% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 25,385 | $2.10M | 0.01% | 00.0% | Unchanged |
| Credit Agricole S A | 25,570 | $2.11M | 0.01% | +19,932+353.5% | Added |
| Vident Advisory, LLC | 25,579 | $2.11M | 0.04% | +631+2.5% | Added |
| JustInvest LLC | 26,079 | $2.15M | 0.03% | +2,886+12.4% | Added |
| Illinois Municipal Retirement Fund | 26,089 | $2.15M | 0.03% | 00.0% | Unchanged |
| BI Asset Management Fondsmaeglerselskab A/S | 26,382 | $2.18M | 0.02% | +8,450+47.1% | Added |
| O'Shaughnessy Asset Management, LLC | 26,636 | $2.20M | 0.02% | −2,614−8.9% | Reduced |
| Louisiana State Employees Retirement System | 27,200 | $2.24M | 0.04% | −200−0.7% | Reduced |
| The PNC Financial Services Group, Inc. | 27,508 | $2.27M | 0.00% | −1,053−3.7% | Reduced |
| Bright Rock Capital Management, LLC | 27,600 | $2.28M | 0.49% | 00.0% | Unchanged |
| AlTi Global, Inc. | 27,471 | $2.28M | 0.06% | +8,470+44.6% | Added |
| STRS Ohio | 27,835 | $2.30M | 0.01% | +60+0.2% | Added |
| Quantinno Capital Management LP | 27,956 | $2.31M | 0.02% | +10,365+58.9% | Added |
| Convergence Investment Partners, LLC | 28,850 | $2.38M | 0.53% | +10,120+54.0% | Added |
| Crestline Management, LP | 29,125 | $2.40M | 0.08% | +7,620+35.4% | Added |
| State of New Jersey Common Pension Fund D | 29,500 | $2.43M | 0.01% | 00.0% | Unchanged |
| Johnson Investment Counsel Inc | 29,941 | $2.47M | 0.02% | +41+0.1% | Added |
| Portfolio Design Labs, LLC | 30,102 | $2.48M | 0.51% | +5,522+22.5% | Added |
| Gries Financial LLC | 30,413 | $2.51M | 0.45% | −598−1.9% | Reduced |
| TrimTabs Asset Management, LLC | 30,499 | $2.52M | 0.33% | +9,672+46.4% | Added |
| Toronto Dominion Bank | 30,910 | $2.55M | 0.00% | −10,081−24.6% | Reduced |
| Comerica Bank | 31,036 | $2.56M | 0.01% | −1,775−5.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 31,054 | $2.56M | 0.02% | −1,520−4.7% | Reduced |
| Mediolanum International Funds Ltd | 31,124 | $2.57M | 0.03% | +10,465+50.7% | Added |
| Resona Asset Management Co.,Ltd. | 31,219 | $2.58M | 0.02% | −2,799−8.2% | Reduced |
| CWM Advisors, LLC | 31,668 | $2.61M | 0.29% | 00.0% | Unchanged |
| King Luther Capital Management Corp | 32,063 | $2.64M | 0.01% | +32,063 | New |
| Arizona State Retirement System | 32,065 | $2.64M | 0.02% | +69+0.2% | Added |
| Omers Administration Corp | 32,866 | $2.71M | 0.02% | −1,015−3.0% | Reduced |
| Jain Global LLC | 33,130 | $2.73M | 0.08% | +33,130 | New |
| TownSquare Capital, LLC | 33,974 | $2.80M | 0.03% | +7,135+26.6% | Added |
| Federation des caisses Desjardins du Quebec | 34,768 | $2.87M | 0.01% | −1,617−4.4% | Reduced |
| Pathstone Holdings, LLC | 35,048 | $2.89M | 0.01% | +8,900+34.0% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 35,376 | $2.92M | 0.02% | +35,376 | New |
| NJ State Employees Deferred Compensation Plan | 35,400 | $2.92M | 0.35% | 00.0% | Unchanged |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 35,534 | $2.93M | 0.03% | −34,713−49.4% | Reduced |
| Procyon Private Wealth Partners, LLC | 35,602 | $2.94M | 0.19% | +187+0.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 35,909 | $2.96M | 0.03% | +35,909 | New |
| Yousif Capital Management, LLC | 35,955 | $2.97M | 0.03% | −1,538−4.1% | Reduced |
| Atria Investments LLC | 36,048 | $2.97M | 0.04% | +368+1.0% | Added |
| Diversified Trust Co | 36,054 | $2.97M | 0.07% | −17,966−33.3% | Reduced |
| Ingalls & Snyder LLC | 36,205 | $2.99M | 0.12% | −5,545−13.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 36,237 | $2.99M | 0.01% | +8,032+28.5% | Added |
| US Bancorp | 36,509 | $3.01M | 0.00% | +235+0.6% | Added |
| Jump Financial, LLC | 37,282 | $3.08M | 0.06% | +37,282 | New |
| Wealth Alliance Advisory Group, LLC | 37,504 | $3.09M | 0.65% | 00.0% | Unchanged |
| Sepio Capital, LP | 37,917 | $3.13M | 0.25% | −1,725−4.4% | Reduced |
| Phase 2 Partners, LLC | 38,418 | $3.17M | 2.38% | +38,418 | New |
| Nebula Research & Development LLC | 39,150 | $3.23M | 0.38% | +5,558+16.5% | Added |
| Railway Pension Investments Ltd | 39,900 | $3.29M | 0.04% | +26,700+202.3% | Added |
| Candriam Luxembourg S.C.A. | 39,962 | $3.30M | 0.02% | +39,962 | New |
| State of Tennessee, Treasury Department | 40,498 | $3.34M | 0.01% | −1,142−2.7% | Reduced |
| Banco Santander, S.A. | 41,570 | $3.43M | 0.04% | −730−1.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 41,887 | $3.45M | 0.02% | +18,165+76.6% | Added |
| Graham Capital Management, L.P. | 41,956 | $3.46M | 0.11% | +41,956 | New |
| Thrive Wealth Management, LLC | 42,307 | $3.49M | 0.63% | +362+0.9% | Added |
| PGGM Investments | 42,444 | $3.50M | 0.05% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 42,920 | $3.54M | 0.02% | −10,166−19.2% | Reduced |
| Henshaw Capital LLC | 43,056 | $3.55M | 0.15% | 00.0% | Unchanged |
| Wells Fargo & Company | 43,503 | $3.59M | 0.00% | −41,506−48.8% | Reduced |
| Treasurer of the State of North Carolina | 43,937 | $3.62M | 0.01% | +280+0.6% | Added |
| Nisa Investment Advisors, LLC | 43,777 | $3.63M | 0.01% | 00.0% | Unchanged |
| Asset Management One Co.,Ltd. | 44,465 | $3.71M | 0.01% | −27,377−38.1% | Reduced |
| CIBC Asset Management Inc | 47,594 | $3.93M | 0.01% | −984−2.0% | Reduced |
| Amalgamated Bank | 49,067 | $4.05M | 0.03% | +587+1.2% | Added |
| Sanctuary Advisors, LLC | 47,370 | $4.08M | 0.03% | −10,471−18.1% | Reduced |