Sei Investments CompanySEIC
13F holders, Q4 2024 (December 31)540holders +39
68new positions
49sold out
8famous investors
$82.50avg. 13F price*
At the end of Q4 2024, 540 institutions reported holding Sei Investments Company (SEIC) in their 13F filings, up 39 from Q3 2024. 68 opened new positions and 49 sold out. The largest holders were Vanguard Group Inc. ($956.8M), BlackRock, Inc. ($948.7M) and Loomis Sayles & Co. L P ($728.9M). 8 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 Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 68 | $94.3M |
| Exits | 49 | $32.5M |
All 13F filers, Q3 2024 → Q4 2024: 5,467,967 shares bought and 6,626,521 shares sold, net −1,158,554 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 540 holders
| Vanguard Group Inc. | 0.02% | Add +0.1% | 11,600,273 | $956.8M |
| BlackRock, Inc. | 0.02% | Add +0.8% | 11,502,657 | $948.7M |
| Loomis Sayles & Co. L P | 0.92% | Reduce -3.4% | 8,837,307 | $728.9M |
| State Street Corp. | 0.02% | Reduce -0.4% | 5,682,653 | $471.5M |
| Morgan Stanley | 0.03% | Reduce -3.8% | 5,628,433 | $464.2M |
| Bank of America Corp. | 0.02% | Reduce -6.2% | 2,846,654 | $234.8M |
| Beutel, Goodman & Co Ltd. | 1.20% | Reduce -33.6% | 2,663,869 | $219.7M |
| Geode Capital Management, LLC | 0.02% | Add +2.4% | 2,580,737 | $212.6M |
| Invesco Ltd. | 0.03% | Reduce -11.8% | 2,255,037 | $186.0M |
| Dimensional Fund Advisors LP | 0.03% | Reduce -0.9% | 1,621,446 | $133.7M |
| Royce & Associates LP | 1.04% | Reduce -7.4% | 1,357,239 | $111.9M |
| Boston Trust Walden Corp | 0.76% | Add +1.6% | 1,306,329 | $107.7M |
| FMR LLC | 0.01% | Add +39.3% | 1,233,225 | $101.7M |
| Bank of New York Mellon Corp | 0.02% | Add +4.1% | 1,171,743 | $96.6M |
| Northern Trust Corp. | 0.01% | Add +20.9% | 1,068,181 | $88.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +38.4% | 756,037 | $62.4M |
| Citadel Advisors | 0.06% | Reduce -38.7% | 745,895 | $61.5M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +0.6% | 668,333 | $55.1M |
| Norges Bank | 0.01% | Add +411.3% | 582,069 | $48.0M |
| Brown Advisory Inc. | 0.06% | Reduce -29.5% | 568,027 | $46.9M |
| Natixis Advisors, LLC | 0.08% | Reduce -18.6% | 548,646 | $45.3M |
| Caisse de depot et placement du Quebec | 0.09% | Add +108.7% | 532,336 | $43.9M |
| Raymond James Financial Inc. | 0.02% | — | 515,858 | $42.5M |
| American Capital Management Inc. | 1.53% | Add +63.4% | 497,200 | $41.0M |
| First Trust Advisors LP | 0.04% | Reduce -49.3% | 482,575 | $39.8M |
| Ameriprise Financial Inc. | 0.01% | Add +24.5% | 475,792 | $39.2M |
| JPMorgan Chase & Co. | 0.00% | Reduce -9.7% | 458,881 | $37.8M |
| Voloridge Investment Management, LLC | 0.13% | Reduce -10.0% | 458,208 | $37.8M |
| ProShare Advisors LLC | 0.09% | Reduce -6.8% | 451,354 | $37.2M |
| Franklin Resources Inc. | 0.01% | Add +39.3% | 446,408 | $36.8M |
| AQR Capital Management | 0.04% | Reduce -1.3% | 419,680 | $34.6M |
| Envestnet Asset Management Inc. | 0.01% | Add +3.0% | 406,580 | $33.5M |
| Legal & General Group Plc | 0.01% | Add +4.0% | 400,070 | $33.0M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.08% | Add +123.4% | 389,322 | $32.1M |
| Royal Bank of Canada | 0.01% | Add +11.7% | 387,198 | $31.9M |
| UBS Group AG | 0.01% | Add +163.8% | 379,447 | $31.3M |
| KBC Group NV | 0.08% | Add +0.4% | 367,303 | $30.3M |
| HSBC Holdings PLC | 0.02% | Reduce -9.6% | 363,819 | $30.0M |
| Acadian Asset Management LLC | 0.08% | Add +53.0% | 350,745 | $28.9M |
| Rhumbline Advisers | 0.02% | Reduce -0.4% | 337,992 | $27.9M |
| Los Angeles Capital Management LLC | 0.11% | New | 323,736 | $26.7M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Add +11.1% | 303,078 | $25.0M |
| Prana Capital Management, LP | 1.18% | Add +51.9% | 299,013 | $24.7M |
| Aware Super Pty Ltd as trustee of Aware Super | 0.38% | — | 287,465 | $23.7M |
| Nuveen Asset Management, LLC | 0.01% | Add +12.0% | 283,719 | $23.4M |
| JLB & Associates Inc. | 3.15% | Reduce -2.5% | 281,186 | $23.2M |
| Retirement Systems of Alabama | 0.09% | Reduce -0.3% | 278,119 | $22.9M |
| Qube Research & Technologies Ltd | 0.04% | Reduce -30.7% | 271,502 | $22.4M |
| Teacher Retirement System of Texas | 0.08% | Add +69.2% | 258,956 | $21.4M |
| Alps Advisors Inc. | 0.13% | Add +17.8% | 253,833 | $20.9M |
| Amundi | 0.01% | Reduce -10.0% | 238,282 | $19.4M |
| Principal Financial Group Inc. | 0.01% | Reduce -1.7% | 234,072 | $19.3M |
| Danske Bank A/S | 0.06% | Add +16.3% | 230,897 | $19.0M |
| Martingale Asset Management L P | 0.46% | Add +124.7% | 230,671 | $19.0M |
| Allianz Asset Management GmbH | 0.03% | Add +42.0% | 230,501 | $19.0M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -35.4% | 222,484 | $18.4M |
| New York State Common Retirement Fund | 0.02% | Reduce -5.8% | 221,254 | $18.2M |
| Sumitomo Mitsui Trust Group, Inc. | 0.01% | Reduce -2.0% | 219,533 | $18.1M |
| Crestwood Advisors Group, LLC | 0.32% | Add +91.1% | 209,032 | $17.2M |
| Man Group plc | 0.05% | Add +5.2% | 206,242 | $17.0M |
| American Century Companies Inc. | 0.01% | Reduce -6.0% | 203,752 | $16.8M |
| Leith Wheeler Investment Counsel Ltd. | 1.21% | Reduce -3.5% | 203,217 | $16.8M |
| Interval Partners, LP | 0.42% | Reduce -17.3% | 199,473 | $16.5M |
| State of Alaska, Department of Revenue | 0.18% | Reduce -0.2% | 199,205 | $16.4M |
| Korea Investment CORP | 0.04% | Reduce -4.0% | 189,484 | $15.6M |
| Vestcor Inc | 0.51% | Reduce -1.7% | 184,952 | $15.3M |
| Two Sigma Investments, LP | 0.04% | Add +14.5% | 179,348 | $14.8M |
| Millennium Management | 0.01% | Reduce -56.5% | 178,367 | $14.7M |
| Markel Group | 0.13% | No change | 173,200 | $14.3M |
| Thrivent Financial for Lutherans | 0.03% | Reduce -18.3% | 172,133 | $14.2M |
| Alliancebernstein L.P. | 0.00% | Add +23.4% | 169,134 | $14.0M |
| Victory Capital Management Inc. | 0.01% | Add +1.7% | 164,048 | $13.5M |
| KLP Kapitalforvaltning As | 0.06% | — | 162,300 | $13.5M |
| California Public Employees Retirement System | 0.01% | Reduce -4.5% | 160,101 | $13.2M |
| Deutsche Bank AG | 0.00% | Reduce -55.3% | 152,402 | $12.6M |
| Schroder Investment Management Group | 0.01% | Add +72.7% | 146,235 | $12.1M |
| Barclays PLC | 0.01% | Reduce -12.4% | 145,378 | $12.0M |
| State Board of Administration of Florida Retirement System | 0.02% | Add +0.5% | 142,437 | $11.7M |
| TD Asset Management Inc | 0.01% | Reduce -22.1% | 139,374 | $11.5M |
| Bank of Montreal | 0.01% | Reduce -7.7% | 138,151 | $11.4M |
| Prudential Financial Inc. | 0.02% | Add +318.0% | 137,183 | $11.3M |
| Pinebridge Investments, L.P. | 0.08% | Reduce -6.6% | 133,081 | $11.0M |
| California State Teachers Retirement System | 0.01% | Reduce -5.3% | 130,555 | $10.8M |
| Mitsubishi UFJ Trust & Banking Corp | 0.02% | Reduce -1.2% | 128,607 | $10.6M |
| Hahn Capital Management LLC | 4.59% | Add +46.0% | 126,910 | $10.5M |
| Osaic Holdings, Inc. | 0.02% | Add +1.6% | 122,904 | $10.1M |
| Truist Financial Corp. | 0.02% | Reduce -0.9% | 119,991 | $9.9M |
| Foyston, Gordon & Payne Inc | 2.62% | Reduce -1.5% | 119,723 | $9.9M |
| New York State Teachers Retirement System | 0.02% | Reduce -5.9% | 118,515 | $9.8M |
| West Coast Financial LLC | 1.07% | Add +0.6% | 118,103 | $9.7M |
| Corebridge Financial, Inc. | 0.05% | Reduce -5.0% | 110,871 | $9.1M |
| UMB Bank, n.a. | 0.14% | New | 110,277 | $9.1M |
| Trexquant Investment LP | 0.11% | Add +388.1% | 109,804 | $9.1M |
| Vinva Investment Management Ltd | 0.34% | Add +120.5% | 108,350 | $9.0M |
| Russell Investments Group, Ltd. | 0.01% | Add +42.7% | 106,892 | $8.8M |
| Robeco Institutional Asset Management B.V. | 0.02% | Add +55.8% | 101,085 | $8.3M |
| CANADA LIFE ASSURANCE Co | 0.01% | Reduce -4.3% | 99,725 | $8.2M |
| Citigroup Inc. | 0.01% | Reduce -49.0% | 93,099 | $7.7M |
| Jane Street Group, LLC | 0.01% | Add +132.3% | 89,772 | $7.4M |
| Weiss Asset Management LP | 0.23% | New | 89,150 | $7.4M |
"% of holder's portfolio" is SEIC's weight in each manager's 13F, not the share of Sei Investments Company the manager owns.