Sei Investments CompanySEIC
13F holders, Q1 2024 (March 31)475holders
8famous investors
$71.85avg. 13F price*
At the end of Q1 2024, 475 institutions reported holding Sei Investments Company (SEIC) in their 13F filings. The largest holders were Vanguard Group Inc. ($851.6M), BlackRock Inc. ($842.3M) and Loomis Sayles & Co. L P ($673.5M). 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 Q1 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 40 | $111.5M |
| Exits | 56 | $51.6M |
Ownership 475 holders
| Vanguard Group Inc. | 0.02% | Reduce -0.4% | 11,843,595 | $851.6M |
| BlackRock Inc. | 0.02% | Add +4.9% | 11,714,580 | $842.3M |
| Loomis Sayles & Co. L P | 0.96% | Reduce -1.3% | 9,367,304 | $673.5M |
| Morgan Stanley | 0.03% | Add +0.1% | 5,949,459 | $427.8M |
| State Street Corp. | 0.02% | Reduce -2.2% | 5,822,092 | $418.6M |
| Beutel, Goodman & Co Ltd. | 1.49% | Reduce -0.0% | 4,018,347 | $288.9M |
| Bank of America Corp. | 0.02% | Add +1.1% | 3,049,728 | $219.3M |
| Invesco Ltd. | 0.04% | Add +75.6% | 2,371,421 | $170.5M |
| Geode Capital Management, LLC | 0.01% | Add +7.0% | 2,100,876 | $150.8M |
| Royce & Associates LP | 0.94% | Add +0.1% | 1,464,385 | $105.3M |
| Boston Trust Walden Corp | 0.67% | Reduce -1.1% | 1,300,080 | $93.5M |
| Dimensional Fund Advisors LP | 0.02% | Reduce -0.6% | 1,157,680 | $83.2M |
| Bank of New York Mellon Corp | 0.02% | Reduce -3.5% | 1,149,629 | $82.7M |
| Citadel Advisors | 0.08% | Reduce -33.5% | 1,084,130 | $77.9M |
| First Trust Advisors LP | 0.08% | Add +584.7% | 1,053,365 | $75.7M |
| Northern Trust Corp. | 0.01% | Reduce -10.9% | 930,834 | $66.9M |
| CANADA LIFE ASSURANCE Co | 0.13% | Reduce -40.5% | 912,565 | $65.7M |
| Legal & General Group Plc | 0.02% | Add +1.0% | 892,791 | $64.2M |
| Tandem Investment Advisors, Inc. | 2.01% | Reduce -22.9% | 721,270 | $51.9M |
| Brown Advisory Inc. | 0.07% | Add +0.9% | 698,726 | $50.2M |
| Natixis Advisors, LLC | 0.11% | Add +0.3% | 678,329 | $48.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -0.5% | 652,395 | $46.9M |
| Azora Capital LP | 3.24% | New | 620,782 | $44.6M |
| Royal Bank of Canada | 0.01% | Reduce -13.6% | 549,447 | $39.5M |
| Caisse de depot et placement du Quebec | 0.09% | Add +123.4% | 528,453 | $38.0M |
| Raymond James & Associates | 0.02% | Add +4.8% | 500,573 | $36.0M |
| ProShare Advisors LLC | 0.09% | Reduce -14.9% | 462,313 | $33.2M |
| Thrivent Financial for Lutherans | 0.06% | Add +71.0% | 443,052 | $31.9M |
| JPMorgan Chase & Co. | 0.00% | Add +0.7% | 436,385 | $31.4M |
| Acadian Asset Management LLC | 0.11% | Reduce -3.6% | 435,054 | $31.3M |
| Ophir Asset Management Pty Ltd | 5.23% | New | 415,255 | $29.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -27.7% | 410,722 | $29.5M |
| KBC Group NV | 0.09% | Add +48.0% | 384,420 | $27.6M |
| Principal Financial Group Inc. | 0.02% | Add +2.2% | 384,371 | $27.6M |
| HSBC Holdings PLC | 0.02% | Reduce -31.2% | 379,608 | $27.3M |
| Ameriprise Financial Inc. | 0.01% | Reduce -4.7% | 377,099 | $27.1M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -2.6% | 376,716 | $27.1M |
| Deutsche Bank AG | 0.01% | Add +73.3% | 360,820 | $25.9M |
| Rhumbline Advisers | 0.02% | Reduce -0.6% | 344,375 | $24.8M |
| AQR Capital Management | 0.04% | Add +7.0% | 325,981 | $23.4M |
| Qube Research & Technologies Ltd | 0.04% | Reduce -31.3% | 320,290 | $23.0M |
| Norges Bank | 0.00% | Reduce -37.6% | 316,012 | $22.7M |
| American Capital Management Inc. | 0.70% | Reduce -0.4% | 305,609 | $22.0M |
| American Century Companies Inc. | 0.01% | Add +157.0% | 289,827 | $20.8M |
| Millennium Management | 0.02% | Reduce -50.1% | 287,212 | $20.7M |
| JLB & Associates Inc. | 2.74% | Reduce -0.9% | 286,443 | $20.6M |
| Retirement Systems of Alabama | 0.08% | Reduce -0.0% | 284,188 | $20.4M |
| Sumitomo Mitsui Trust Group, Inc. | 0.01% | Reduce -0.9% | 279,950 | $20.1M |
| Renaissance Technologies | 0.03% | Add +21.9% | 274,526 | $19.7M |
| Nuveen Asset Management, LLC | 0.01% | Reduce -0.9% | 270,285 | $19.4M |
| Two Sigma Advisers, LP | 0.04% | Reduce -8.0% | 258,900 | $18.6M |
| Barclays PLC | 0.01% | Add +4.7% | 257,491 | $18.5M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Add +89.8% | 253,276 | $18.2M |
| New York State Common Retirement Fund | 0.02% | Reduce -3.0% | 244,939 | $17.6M |
| Amundi | 0.01% | Reduce -30.5% | 264,044 | $17.4M |
| Two Sigma Investments, LP | 0.04% | Reduce -9.2% | 232,290 | $16.7M |
| FMR LLC | 0.00% | Add +18.9% | 225,128 | $16.2M |
| Franklin Resources Inc. | 0.01% | Add +141.7% | 223,814 | $16.1M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -8.7% | 221,101 | $15.9M |
| Leith Wheeler Investment Counsel Ltd. | 1.52% | Add +0.1% | 217,306 | $15.6M |
| Citigroup Inc. | 0.02% | Reduce -17.1% | 215,640 | $15.5M |
| Credit Suisse AG/ | 0.01% | Add +26.3% | 214,209 | $15.4M |
| Interval Partners, LP | 0.55% | Add +10.3% | 201,034 | $14.5M |
| State of Alaska, Department of Revenue | 0.16% | No change | 198,835 | $14.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.04% | New | 197,111 | $14.2M |
| PGGM Investments | 0.20% | No change | 195,352 | $14.0M |
| Man Group plc | 0.04% | Reduce -1.6% | 188,200 | $13.5M |
| Vestcor Inc | 0.46% | Reduce -1.7% | 188,149 | $13.5M |
| TD Asset Management Inc | 0.01% | Reduce -1.4% | 184,146 | $13.2M |
| Voloridge Investment Management, LLC | 0.05% | Add +3.4% | 173,567 | $12.5M |
| Markel Group | 0.12% | No change | 173,200 | $12.5M |
| Korea Investment CORP | 0.03% | Add +75.5% | 172,126 | $12.4M |
| Prana Capital Management, LP | 0.54% | Add +62.8% | 167,491 | $12.0M |
| California Public Employees Retirement System | 0.01% | Reduce -4.6% | 165,652 | $11.9M |
| APG Asset Management N.V. | 0.02% | Add +8.4% | 178,516 | $11.9M |
| Alliancebernstein L.P. | 0.00% | Add +10.8% | 164,947 | $11.9M |
| Teacher Retirement System of Texas | 0.07% | Reduce -2.7% | 161,135 | $11.6M |
| Danske Bank A/S | 0.04% | — | 156,408 | $11.2M |
| California State Teachers Retirement System | 0.01% | Reduce -4.0% | 148,490 | $10.7M |
| Truist Financial Corp. | 0.02% | Reduce -3.3% | 147,331 | $10.6M |
| Victory Capital Management Inc. | 0.01% | Add +14.8% | 146,372 | $10.5M |
| Mitsubishi UFJ Trust & Banking Corp | 0.02% | Add +67.8% | 145,536 | $10.4M |
| New York State Teachers Retirement System | 0.02% | Reduce -0.1% | 138,238 | $9.9M |
| Alps Advisors Inc. | 0.07% | Add +17.8% | 135,267 | $9.7M |
| American International Group, Inc. | 0.03% | Reduce -2.3% | 131,974 | $9.5M |
| UBS Group AG | 0.00% | Add +7.5% | 131,087 | $9.4M |
| Schonfeld Strategic Advisors LLC | 0.07% | Reduce -16.2% | 122,680 | $8.8M |
| Pinebridge Investments, L.P. | 0.07% | Reduce -11.6% | 121,638 | $8.7M |
| State Board of Administration of Florida Retirement System | 0.02% | Add +6.7% | 151,227 | $8.7M |
| Osaic Holdings, Inc. | 0.02% | Reduce -3.5% | 120,284 | $8.6M |
| Bank of Montreal | 0.00% | Add +5.8% | 119,590 | $8.6M |
| Allianz Asset Management GmbH | 0.01% | Add +3.4% | 115,498 | $8.3M |
| Russell Investments Group, Ltd. | 0.01% | Add +21.6% | 115,367 | $8.3M |
| Sienna Gestion | 0.70% | — | 114,048 | $8.2M |
| Robeco Institutional Asset Management B.V. | 0.02% | Add +93.4% | 113,867 | $8.2M |
| Abn Amro Investment Solutions | 0.14% | Reduce -5.4% | 109,195 | $7.9M |
| Crestwood Advisors Group, LLC | 0.17% | Add +0.5% | 108,764 | $7.8M |
| Martingale Asset Management L P | 0.14% | New | 97,113 | $7.0M |
| Achmea Investment Management B.V. | 0.13% | No change | 95,939 | $6.9M |
| Andra AP-fonden | 0.12% | New | 93,300 | $6.7M |
"% of holder's portfolio" is SEIC's weight in each manager's 13F, not the share of Sei Investments Company the manager owns.