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, Q3 2024
Institutional positions in SEI Investments Co as of Sep 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
- 502
- +15 vs. Q2 2024
- Shares held
- 91.7M
- +10.4M (+12.7%) vs. Q2 2024
- Total value
- $6.35B
- +$1.08B (+20.6%) vs. Q2 2024
- New holders
- 50
- 172 more added
- Sold out
- 35
- 184 more reduced
6 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 85,242 | $5.90M | 0.01% | −3,987−4.5% | Reduced |
| Wells Fargo & Company | 85,009 | $5.88M | 0.00% | +44,681+110.8% | Added |
| Schroder Investment Management Group | 84,655 | $5.86M | 0.01% | +1,746+2.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 84,196 | $5.83M | 0.03% | −2,036−2.4% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 79,690 | $5.51M | 0.02% | +54,118+211.6% | Added |
| LPL Financial LLC | 78,557 | $5.44M | 0.00% | +3,491+4.7% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 78,518 | $5.43M | 0.01% | +15,774+25.1% | Added |
| D. E. Shaw & Co., Inc. | 76,987 | $5.33M | 0.01% | +21,790+39.5% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 76,426 | $5.29M | 0.20% | +293+0.4% | Added |
| Brandywine Global Investment Management, LLC | 73,220 | $5.21M | 0.03% | +2,668+3.8% | Added |
| Russell Investments Group, Ltd. | 74,915 | $5.18M | 0.01% | −26,467−26.1% | Reduced |
| Ensign Peak Advisors, Inc | 74,143 | $5.13M | 0.01% | −7,315−9.0% | Reduced |
| RK Asset Management, LLC | 73,165 | $5.06M | 3.89% | +5,465+8.1% | Added |
| Asset Management One Co.,Ltd. | 71,842 | $4.97M | 0.02% | +14,757+25.9% | Added |
| Two Sigma Advisers, LP | 70,700 | $4.89M | 0.01% | −80,800−53.3% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 70,247 | $4.86M | 0.05% | +70,247 | New |
| Holocene Advisors, LP | 70,136 | $4.85M | 0.02% | +10,394+17.4% | Added |
| Taylor Hoffman Capital Management LLC | 64,082 | $4.79M | 1.84% | +64,082 | New |
| Union Heritage Capital, LLC | 68,700 | $4.75M | 1.75% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 68,311 | $4.73M | 0.01% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 57,841 | $4.67M | 0.03% | +16,162+38.8% | Added |
| Southernsun Asset Management, LLC | 65,581 | $4.54M | 0.54% | +65+0.1% | Added |
| Public Employees Retirement System of Ohio | 65,163 | $4.51M | 0.02% | −4,887−7.0% | Reduced |
| Robeco Institutional Asset Management B.V. | 64,879 | $4.49M | 0.01% | −78,095−54.6% | Reduced |
| Court Place Advisors, LLC | 60,150 | $4.16M | 1.21% | −850−1.4% | Reduced |
| Pictet Asset Management Holding SA | 60,128 | $4.16M | 0.00% | +1,484+2.5% | Added |
| IFG Advisory, LLC | 58,518 | $4.05M | 0.26% | −710−1.2% | Reduced |
| HBK Sorce Advisory LLC | 58,062 | $4.02M | 0.12% | −84−0.1% | Reduced |
| CWM, LLC | 57,226 | $3.96M | 0.02% | −4,422−7.2% | Reduced |
| Price T Rowe Associates Inc | 56,422 | $3.90M | 0.00% | +2,988+5.6% | Added |
| Diversified Trust Co | 54,020 | $3.74M | 0.09% | −192−0.4% | Reduced |
| Mutual of America Capital Management LLC | 53,354 | $3.69M | 0.04% | −3,818−6.7% | Reduced |
| Bridgewater Associates, LP | 53,086 | $3.67M | 0.02% | +23,604+80.1% | Added |
| Nomura Asset Management Co Ltd | 51,748 | $3.58M | 0.01% | +10,100+24.3% | Added |
| MetLife Investment Management | 51,042 | $3.53M | 0.02% | −1,561−3.0% | Reduced |
| Algert Global LLC | 49,690 | $3.44M | 0.09% | −12,610−20.2% | Reduced |
| Vinva Investment Management Ltd | 49,136 | $3.40M | 0.15% | +15,341+45.4% | Added |
| CIBC Asset Management Inc | 48,578 | $3.36M | 0.01% | −1,224−2.5% | Reduced |
| Amalgamated Bank | 48,480 | $3.35M | 0.03% | −2,125−4.2% | Reduced |
| Nisa Investment Advisors, LLC | 43,777 | $3.03M | 0.02% | −60−0.1% | Reduced |
| Treasurer of the State of North Carolina | 43,657 | $3.02M | 0.01% | −330−0.8% | Reduced |
| Henshaw Capital LLC | 43,056 | $2.98M | 0.12% | 00.0% | Unchanged |
| PGGM Investments | 42,444 | $2.94M | 0.04% | −152,066−78.2% | Reduced |
| Banco Santander, S.A. | 42,300 | $2.93M | 0.03% | −2,600−5.8% | Reduced |
| Thrive Wealth Management, LLC | 41,945 | $2.90M | 0.53% | +170.0% | Added |
| Ingalls & Snyder LLC | 41,750 | $2.89M | 0.11% | −200−0.5% | Reduced |
| State of Tennessee, Treasury Department | 41,640 | $2.88M | 0.01% | +12,640+43.6% | Added |
| Toronto Dominion Bank | 40,991 | $2.84M | 0.01% | +3,784+10.2% | Added |
| Engineers Gate Manager LP | 40,399 | $2.80M | 0.05% | +13,184+48.4% | Added |
| Sepio Capital, LP | 39,642 | $2.74M | 0.21% | −245−0.6% | Reduced |
| Susquehanna International Group, LLP | 39,500 | $2.73M | 0.00% | +21,586+120.5% | Added |
| Jane Street Group, LLC | 38,641 | $2.67M | 0.00% | −66,185−63.1% | Reduced |
| Wealth Alliance Advisory Group, LLC | 37,504 | $2.59M | 0.55% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 37,493 | $2.59M | 0.03% | −5,638−13.1% | Reduced |
| Federation des caisses Desjardins du Quebec | 36,385 | $2.52M | 0.01% | −36,342−50.0% | Reduced |
| US Bancorp | 36,274 | $2.51M | 0.00% | −148−0.4% | Reduced |
| Atria Investments LLC | 35,680 | $2.47M | 0.03% | −596−1.6% | Reduced |
| Procyon Private Wealth Partners, LLC | 35,415 | $2.45M | 0.17% | +1,352+4.0% | Added |
| NJ State Employees Deferred Compensation Plan | 35,400 | $2.45M | 0.29% | 00.0% | Unchanged |
| Versor Investments LP | 35,385 | $2.45M | 0.39% | +28,603+421.7% | Added |
| Resona Asset Management Co.,Ltd. | 34,018 | $2.35M | 0.01% | −488−1.4% | Reduced |
| Omers Administration Corp | 33,881 | $2.34M | 0.02% | 00.0% | Unchanged |
| Nebula Research & Development LLC | 33,592 | $2.32M | 0.28% | −4,531−11.9% | Reduced |
| Edgestream Partners, L.P. | 33,477 | $2.32M | 0.10% | +33,477 | New |
| Cresset Asset Management, LLC | 33,395 | $2.31M | 0.01% | +1,706+5.4% | Added |
| Dark Forest Capital Management LP | 33,226 | $2.30M | 0.29% | +33,226 | New |
| Prudential Financial Inc | 32,816 | $2.27M | 0.00% | +6,577+25.1% | Added |
| Comerica Bank | 32,811 | $2.27M | 0.01% | −5,443−14.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 32,574 | $2.25M | 0.02% | −870−2.6% | Reduced |
| Arizona State Retirement System | 31,996 | $2.21M | 0.01% | +1,287+4.2% | Added |
| CWM Advisors, LLC | 31,668 | $2.19M | 0.22% | +639+2.1% | Added |
| Gries Financial LLC | 31,011 | $2.15M | 0.40% | −7,649−19.8% | Reduced |
| O'Shaughnessy Asset Management, LLC | 29,250 | $2.08M | 0.02% | +1,547+5.6% | Added |
| Johnson Investment Counsel Inc | 29,900 | $2.07M | 0.02% | +80+0.3% | Added |
| State of New Jersey Common Pension Fund D | 29,500 | $2.04M | 0.01% | +1,574+5.6% | Added |
| The PNC Financial Services Group, Inc. | 28,561 | $1.98M | 0.00% | −2,309−7.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 28,205 | $1.95M | 0.01% | +54+0.2% | Added |
| STRS Ohio | 27,775 | $1.92M | 0.01% | +27,775 | New |
| Bright Rock Capital Management, LLC | 27,600 | $1.91M | 0.38% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 27,400 | $1.90M | 0.03% | −800−2.8% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 27,112 | $1.88M | 0.00% | +3,133+13.1% | Added |
| Handelsbanken Fonder AB | 26,900 | $1.86M | 0.01% | +2,100+8.5% | Added |
| TownSquare Capital, LLC | 26,839 | $1.86M | 0.02% | +6,286+30.6% | Added |
| Quest Partners LLC | 26,416 | $1.83M | 0.16% | −1,533−5.5% | Reduced |
| Smithbridge Asset Management Inc | 26,201 | $1.81M | 0.31% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 26,148 | $1.81M | 0.01% | −840−3.1% | Reduced |
| Illinois Municipal Retirement Fund | 26,089 | $1.81M | 0.03% | 00.0% | Unchanged |
| State of Michigan Retirement System | 25,524 | $1.77M | 0.01% | −700−2.7% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 25,385 | $1.76M | 0.01% | 00.0% | Unchanged |
| Worldquant Millennium Advisors LLC | 25,321 | $1.75M | 0.01% | −277−1.1% | Reduced |
| Aurora Investment Counsel | 25,162 | $1.74M | 0.94% | +144+0.6% | Added |
| Squarepoint Ops LLC | 25,161 | $1.74M | 0.01% | +25,161 | New |
| Vident Advisory, LLC | 24,948 | $1.73M | 0.04% | −12,154−32.8% | Reduced |
| Portfolio Design Labs, LLC | 24,580 | $1.70M | 0.47% | +24,580 | New |
| Schonfeld Strategic Advisors LLC | 23,722 | $1.64M | 0.01% | −45,291−65.6% | Reduced |
| JustInvest LLC | 23,193 | $1.60M | 0.03% | +1,750+8.2% | Added |
| Macquarie Group Ltd | 23,035 | $1.59M | 0.00% | +704+3.2% | Added |
| Neuberger Berman Group LLC | 22,579 | $1.56M | 0.00% | −166−0.7% | Reduced |
| Oliver Luxxe Assets LLC | 22,570 | $1.56M | 0.28% | 00.0% | Unchanged |
| Linden Thomas Advisory Services, LLC | 22,515 | $1.56M | 0.21% | −161−0.7% | Reduced |