Sei Investments CompanySEIC
13F holders, Q2 2024 (June 30)At the end of Q2 2024, 493 institutions reported holding Sei Investments Company (SEIC) in their 13F filings, up 18 from Q1 2024. 49 opened new positions and 33 sold out. The largest holders were Vanguard Group Inc. ($765.8M), BlackRock Inc. ($743.5M) and Loomis Sayles & Co. L P ($610.8M). 9 famous investors held it, including Tom Gayner (0.1% of Markel Group's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Sei Investments Company
- CUSIP
- 784117103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 49 | $39.7M |
| Exits | 33 | $33.1M |
All 13F filers, Q1 2024 → Q2 2024: 3,550,717 shares bought and 4,704,113 shares sold, net −1,153,396 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 493 holders
| Vanguard Group Inc. | 0.01% | Reduce -0.1% | 11,838,103 | $765.8M |
| BlackRock Inc. | 0.02% | Reduce -1.9% | 11,493,443 | $743.5M |
| Loomis Sayles & Co. L P | 0.84% | Add +0.8% | 9,442,405 | $610.8M |
| State Street Corp. | 0.02% | Add +5.0% | 6,111,320 | $395.3M |
| Morgan Stanley | 0.03% | Reduce -0.0% | 5,947,415 | $384.7M |
| Beutel, Goodman & Co Ltd. | 1.39% | Add +1.0% | 4,056,859 | $262.4M |
| Bank of America Corp. | 0.02% | Reduce -0.4% | 3,037,016 | $196.5M |
| Invesco Ltd. | 0.03% | Add +1.0% | 2,395,105 | $154.9M |
| Geode Capital Management, LLC | 0.01% | Add +5.7% | 2,219,726 | $143.4M |
| Royce & Associates LP | 0.89% | Reduce -0.1% | 1,463,578 | $94.7M |
| Dimensional Fund Advisors LP | 0.02% | Add +19.2% | 1,380,311 | $89.3M |
| Boston Trust Walden Corp | 0.62% | Reduce -0.3% | 1,296,342 | $83.9M |
| Bank of New York Mellon Corp | 0.01% | Add +3.2% | 1,186,439 | $76.8M |
| Northern Trust Corp. | 0.01% | Add +8.1% | 1,006,553 | $65.1M |
| Citadel Advisors | 0.06% | Reduce -15.8% | 912,849 | $59.1M |
| First Trust Advisors LP | 0.06% | Reduce -14.9% | 896,716 | $58.0M |
| Legal & General Group Plc | 0.02% | Reduce -1.9% | 875,879 | $56.7M |
| Brown Advisory Inc. | 0.07% | Add +20.4% | 840,954 | $54.4M |
| Azora Capital LP | 3.03% | Add +32.1% | 819,875 | $53.0M |
| Natixis Advisors, LLC | 0.10% | Reduce -0.5% | 675,275 | $43.7M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +2.3% | 667,500 | $43.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +30.4% | 535,611 | $34.6M |
| Raymond James & Associates | 0.02% | Add +4.8% | 524,631 | $33.9M |
| ProShare Advisors LLC | 0.08% | Add +0.6% | 465,011 | $30.1M |
| JPMorgan Chase & Co. | 0.00% | Add +2.5% | 447,092 | $28.9M |
| Tandem Investment Advisors, Inc. | 1.11% | Reduce -40.0% | 433,078 | $28.0M |
| Caisse de depot et placement du Quebec | 0.07% | Reduce -21.7% | 413,639 | $26.8M |
| Ameriprise Financial Inc. | 0.01% | Add +7.4% | 405,072 | $26.2M |
| Voloridge Investment Management, LLC | 0.09% | Add +126.8% | 393,594 | $25.5M |
| KBC Group NV | 0.08% | Add +0.9% | 387,740 | $25.1M |
| Envestnet Asset Management Inc. | 0.01% | Add +1.2% | 381,372 | $24.7M |
| AQR Capital Management | 0.04% | Add +12.6% | 367,089 | $23.7M |
| Royal Bank of Canada | 0.01% | Reduce -34.2% | 361,651 | $23.4M |
| Acadian Asset Management LLC | 0.07% | Reduce -18.1% | 356,286 | $23.0M |
| Deutsche Bank AG | 0.01% | Reduce -1.7% | 354,752 | $22.9M |
| HSBC Holdings PLC | 0.01% | Reduce -8.6% | 347,063 | $22.5M |
| Rhumbline Advisers | 0.02% | Add +0.2% | 344,928 | $22.3M |
| Principal Financial Group Inc. | 0.01% | Reduce -11.0% | 342,180 | $22.1M |
| American Century Companies Inc. | 0.01% | Add +7.5% | 311,459 | $20.1M |
| American Capital Management Inc. | 0.66% | Reduce -0.4% | 304,324 | $19.7M |
| JLB & Associates Inc. | 2.50% | Reduce -0.2% | 285,802 | $18.5M |
| Retirement Systems of Alabama | 0.07% | Reduce -0.7% | 282,240 | $18.3M |
| Franklin Resources Inc. | 0.01% | Add +21.6% | 272,053 | $17.6M |
| Sumitomo Mitsui Trust Group, Inc. | 0.01% | Reduce -3.0% | 271,517 | $17.6M |
| Amundi | 0.01% | Reduce -1.3% | 260,697 | $17.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +18.4% | 261,763 | $16.9M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -5.0% | 256,880 | $16.6M |
| Ophir Asset Management Pty Ltd | 2.92% | Reduce -38.7% | 254,623 | $16.5M |
| FMR LLC | 0.00% | Add +12.4% | 253,089 | $16.4M |
| New York State Common Retirement Fund | 0.02% | Reduce -0.0% | 244,854 | $15.8M |
| Man Group plc | 0.04% | Add +20.2% | 226,149 | $14.6M |
| Balyasny Asset Management L.P. | 0.04% | Add +199.8% | 219,513 | $14.2M |
| Leith Wheeler Investment Counsel Ltd. | 1.22% | Add +0.7% | 218,906 | $14.2M |
| Thrivent Financial for Lutherans | 0.03% | Reduce -52.6% | 210,101 | $13.6M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Reduce -18.1% | 207,442 | $13.4M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Add +2.4% | 201,787 | $13.1M |
| Interval Partners, LP | 0.38% | Reduce -0.4% | 200,230 | $13.0M |
| State of Alaska, Department of Revenue | 0.14% | No change | 198,835 | $12.9M |
| Citigroup Inc. | 0.01% | Reduce -8.5% | 197,366 | $12.8M |
| Renaissance Technologies | 0.02% | Reduce -28.4% | 196,426 | $12.7M |
| PGGM Investments | 0.18% | Reduce -0.4% | 194,510 | $12.6M |
| Millennium Management | 0.01% | Reduce -33.0% | 192,388 | $12.4M |
| TD Asset Management Inc | 0.01% | Add +3.1% | 189,869 | $12.3M |
| Vestcor Inc | 0.41% | No change | 188,149 | $12.2M |
| Barclays PLC | 0.01% | Reduce -29.3% | 182,175 | $11.8M |
| Prana Capital Management, LP | 0.55% | Add +6.0% | 177,527 | $11.5M |
| Markel Group | 0.11% | No change | 173,200 | $11.2M |
| Teacher Retirement System of Texas | 0.06% | Add +3.3% | 166,493 | $10.8M |
| California Public Employees Retirement System | 0.01% | Reduce -0.9% | 164,210 | $10.6M |
| Danske Bank A/S | 0.04% | Add +3.2% | 161,348 | $10.4M |
| Victory Capital Management Inc. | 0.01% | Add +9.5% | 160,275 | $10.4M |
| Alps Advisors Inc. | 0.07% | Add +15.9% | 156,757 | $10.1M |
| Mitsubishi UFJ Trust & Banking Corp | 0.02% | Add +6.6% | 155,147 | $10.0M |
| Korea Investment CORP | 0.02% | Reduce -11.8% | 151,875 | $9.8M |
| Two Sigma Advisers, LP | 0.02% | Reduce -41.5% | 151,500 | $9.8M |
| Qube Research & Technologies Ltd | 0.02% | Reduce -52.7% | 151,448 | $9.8M |
| Allianz Asset Management GmbH | 0.02% | Add +29.9% | 150,052 | $9.7M |
| Alliancebernstein L.P. | 0.00% | Reduce -9.7% | 148,946 | $9.6M |
| California State Teachers Retirement System | 0.01% | Reduce -1.6% | 146,164 | $9.5M |
| Norges Bank | 0.00% | Reduce -54.6% | 143,529 | $9.3M |
| Robeco Institutional Asset Management B.V. | 0.02% | Add +25.6% | 142,974 | $9.2M |
| State Board of Administration of Florida Retirement System | 0.02% | Reduce -6.2% | 141,784 | $9.2M |
| Truist Financial Corp. | 0.01% | Reduce -4.2% | 141,145 | $9.1M |
| UBS Group AG | 0.00% | Add +4.1% | 136,432 | $8.8M |
| Andra AP-fonden | 0.15% | Add +45.5% | 135,800 | $8.8M |
| New York State Teachers Retirement System | 0.02% | Reduce -4.5% | 132,082 | $8.5M |
| Bank of Montreal | 0.00% | Add +4.5% | 125,035 | $8.2M |
| Corebridge Financial, Inc. | 0.04% | — | 126,313 | $8.2M |
| Osaic Holdings, Inc. | 0.02% | Add +0.1% | 120,409 | $7.8M |
| Jupiter Asset Management Ltd. | 0.07% | New | 120,372 | $7.8M |
| West Coast Financial LLC | 0.89% | Add +120.8% | 116,128 | $7.5M |
| Crestwood Advisors Group, LLC | 0.15% | Reduce -0.0% | 108,750 | $7.0M |
| Martingale Asset Management L P | 0.15% | Add +9.9% | 106,706 | $6.9M |
| Jane Street Group, LLC | 0.01% | Add +497.9% | 104,826 | $6.8M |
| Achmea Investment Management B.V. | 0.12% | Add +7.3% | 102,975 | $6.7M |
| Abn Amro Investment Solutions | 0.12% | Reduce -5.8% | 102,830 | $6.7M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -12.1% | 101,382 | $6.6M |
| CANADA LIFE ASSURANCE Co | 0.01% | Reduce -89.0% | 100,337 | $6.5M |
| Pinebridge Investments, L.P. | 0.05% | Reduce -17.5% | 100,303 | $6.5M |
| Two Sigma Investments, LP | 0.01% | Reduce -60.1% | 92,768 | $6.0M |
"% of holder's portfolio" is SEIC's weight in each manager's 13F, not the share of Sei Investments Company the manager owns.