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, Q2 2023
Institutional positions in SEI Investments Co as of Jun 30, 2023. 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
- 458
- +15 vs. Q1 2023
- Shares held
- 93.2M
- +388.7K (+0.4%) vs. Q1 2023
- Total value
- $5.53B
- +$182.4M (+3.4%) vs. Q1 2023
- New holders
- 57
- 141 more added
- Sold out
- 42
- 162 more reduced
1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2023: 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, Q2 2023
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 12,100,238 | $721.4M | 0.02% | −182,664−1.5% | Reduced |
| BlackRock Inc. | 11,201,661 | $667.8M | 0.02% | −569,059−4.8% | Reduced |
| Loomis Sayles & Co L P | 9,940,627 | $592.7M | 0.96% | −283,222−2.8% | Reduced |
| Morgan Stanley | 6,268,833 | $373.7M | 0.04% | +18,197+0.3% | Added |
| State Street Corp | 6,178,752 | $368.4M | 0.02% | +59,268+1.0% | Added |
| Beutel, Goodman & Co Ltd. | 4,037,289 | $240.7M | 1.35% | +88,851+2.3% | Added |
| Bank of America Corp | 3,114,974 | $185.7M | 0.02% | −194,025−5.9% | Reduced |
| Great West Life Assurance Co | 1,894,039 | $113.6M | 0.27% | −23,850−1.2% | Reduced |
| Geode Capital Management, LLC | 1,789,906 | $106.5M | 0.01% | −142,785−7.4% | Reduced |
| Royce & Associates LP | 1,463,357 | $87.2M | 0.85% | +10,909+0.8% | Added |
| Citadel Advisors LLC | 1,453,151 | $86.6M | 0.10% | +1,142,240+367.4% | Added |
| Boston Trust Walden Corp | 1,291,152 | $77.0M | 0.63% | +34,549+2.7% | Added |
| Bank of New York Mellon Corp | 1,216,512 | $72.5M | 0.02% | −67,165−5.2% | Reduced |
| Dimensional Fund Advisors LP | 1,182,126 | $70.5M | 0.02% | +4,312+0.4% | Added |
| Tandem Investment Advisors, Inc. | 1,157,039 | $69.0M | 3.03% | +66,560+6.1% | Added |
| Northern Trust Corp | 1,072,840 | $64.0M | 0.01% | −24,772−2.3% | Reduced |
| Legal & General Group Plc | 964,505 | $57.5M | 0.02% | +8,220+0.9% | Added |
| Millennium Management LLC | 793,591 | $47.3M | 0.05% | +748,780+1,671.0% | Added |
| Natixis Advisors, L.P. | 736,685 | $43.9M | 0.14% | −17,336−2.3% | Reduced |
| UBS Asset Management Americas Inc | 751,441 | $43.2M | 0.02% | 00.0% | Unchanged |
| Royal Bank of Canada | 675,596 | $40.3M | 0.01% | −71,920−9.6% | Reduced |
| Brown Advisory Inc | 663,897 | $39.6M | 0.06% | +15,054+2.3% | Added |
| Invesco Ltd. | 650,433 | $38.8M | 0.01% | +44,375+7.3% | Added |
| Charles Schwab Investment Management Inc | 639,430 | $38.1M | 0.01% | −5,566−0.9% | Reduced |
| Ameriprise Financial Inc | 624,984 | $37.3M | 0.01% | −45,978−6.9% | Reduced |
| Norges Bank | 560,428 | $33.4M | 0.01% | +10,543+1.9% | Added |
| ProShare Advisors LLC | 557,416 | $33.2M | 0.10% | +5,906+1.1% | Added |
| HSBC Holdings PLC | 554,097 | $33.0M | 0.04% | +321,780+138.5% | Added |
| Raymond James & Associates | 456,439 | $27.2M | 0.02% | +106,073+30.3% | Added |
| AQR Capital Management LLC | 397,763 | $23.6M | 0.05% | −231,596−36.8% | Reduced |
| Principal Financial Group Inc | 390,254 | $23.3M | 0.02% | −22,935−5.6% | Reduced |
| Deutsche Bank AG | 379,320 | $22.6M | 0.01% | +62,251+19.6% | Added |
| American Capital Management Inc | 367,407 | $21.9M | 0.76% | −108,917−22.9% | Reduced |
| JPMorgan Chase & Co | 357,294 | $21.3M | 0.00% | +48,958+15.9% | Added |
| Qube Research & Technologies Ltd | 348,710 | $20.8M | 0.08% | +236,297+210.2% | Added |
| Rhumbline Advisers | 348,147 | $20.8M | 0.02% | +20,687+6.3% | Added |
| Goldman Sachs Group Inc | 336,843 | $20.1M | 0.01% | +67,909+25.3% | Added |
| Renaissance Technologies LLC | 329,426 | $19.6M | 0.03% | +50,800+18.2% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 324,824 | $19.4M | 0.02% | −41,453−11.3% | Reduced |
| Amundi | 322,515 | $19.2M | 0.01% | −76,569−19.2% | Reduced |
| JLB & Associates Inc | 301,516 | $18.0M | 2.56% | +6,002+2.0% | Added |
| Allspring Global Investments Holdings, LLC | 301,105 | $18.0M | 0.03% | +109,560+57.2% | Added |
| Nuveen Asset Management, LLC | 291,576 | $17.4M | 0.01% | +176+0.1% | Added |
| New York State Common Retirement Fund | 279,619 | $16.7M | 0.02% | +24,357+9.5% | Added |
| Retirement Systems of Alabama | 277,261 | $16.5M | 0.07% | −2,665−1.0% | Reduced |
| KBC Group NV | 268,228 | $16.0M | 0.07% | +124,278+86.3% | Added |
| UBS Group AG | 253,652 | $15.1M | 0.01% | +190,013+298.6% | Added |
| FMR LLC | 250,770 | $15.0M | 0.00% | +37,365+17.5% | Added |
| Envestnet Asset Management Inc | 225,046 | $13.4M | 0.01% | +8,736+4.0% | Added |
| Crestwood Advisors Group LLC | 223,395 | $13.3M | 0.42% | +420.0% | Added |
| First Trust Advisors LP | 209,559 | $12.5M | 0.01% | −167,928−44.5% | Reduced |
| Citigroup Inc | 208,230 | $12.4M | 0.02% | −17,657−7.8% | Reduced |
| Schroder Investment Management Group | 206,351 | $12.3M | 0.02% | +20,883+11.3% | Added |
| State of Alaska, Department of Revenue | 200,590 | $12.0M | 0.14% | −1,491−0.7% | Reduced |
| Victory Capital Management Inc | 199,738 | $11.9M | 0.01% | −2,448−1.2% | Reduced |
| PGGM Investments | 194,459 | $11.6M | 0.19% | −1,836−0.9% | Reduced |
| Vestcor Inc | 191,448 | $11.4M | 0.42% | +74,095+63.1% | Added |
| Leith Wheeler Investment Counsel Ltd. | 191,165 | $11.4M | 1.49% | +950+0.5% | Added |
| Man Group plc | 190,150 | $11.3M | 0.04% | – | – |
| TD Asset Management Inc | 186,593 | $11.1M | 0.01% | −19,728−9.6% | Reduced |
| California Public Employees Retirement System | 178,995 | $10.7M | 0.01% | −19,403−9.8% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 173,200 | $10.3M | 0.12% | −416,000−70.6% | Reduced |
| California State Teachers Retirement System | 172,079 | $10.3M | 0.01% | −5,155−2.9% | Reduced |
| Teacher Retirement System of Texas | 169,015 | $10.1M | 0.07% | −89,619−34.7% | Reduced |
| Credit Suisse AG | 166,837 | $9.95M | 0.01% | +20,904+14.3% | Added |
| Truist Financial Corp | 161,547 | $9.63M | 0.02% | −8,395−4.9% | Reduced |
| Jupiter Asset Management Ltd | 154,631 | $9.22M | 0.10% | −38,459−19.9% | Reduced |
| American International Group, Inc. | 152,816 | $9.11M | 0.06% | −4,520−2.9% | Reduced |
| Alliancebernstein L.P. | 151,937 | $9.06M | 0.00% | −1,869−1.2% | Reduced |
| Pinebridge Investments, L.P. | 141,829 | $8.46M | 0.09% | +106,537+301.9% | Added |
| State Board of Administration of Florida Retirement System | 141,585 | $8.44M | 0.02% | −9,642−6.4% | Reduced |
| Barclays PLC | 140,304 | $8.36M | 0.01% | +4,781+3.5% | Added |
| Hahn Capital Management LLC | 130,814 | $7.80M | 2.55% | −3,053−2.3% | Reduced |
| New York State Teachers Retirement System | 129,687 | $7.73M | 0.02% | −5,200−3.9% | Reduced |
| Advisor Group Holdings, Inc. | 128,832 | $7.68M | 0.01% | +112,943+710.8% | Added |
| State of Wisconsin Investment Board | 124,630 | $7.43M | 0.02% | +3,479+2.9% | Added |
| Acadian Asset Management LLC | 119,699 | $7.13M | 0.03% | +63,606+113.4% | Added |
| Franklin Resources Inc | 117,344 | $7.00M | 0.00% | +1,492+1.3% | Added |
| Modera Wealth Management, LLC | 114,829 | $6.85M | 0.12% | +114,829 | New |
| Andra AP-fonden | 114,100 | $6.80M | 0.17% | +24,400+27.2% | Added |
| Bank of Montreal | 106,723 | $6.38M | 0.00% | −18,544−14.8% | Reduced |
| Caisse de Depot Et Placement du Quebec | 106,660 | $6.36M | 0.02% | −97,771−47.8% | Reduced |
| Abn Amro Investment Solutions | 105,485 | $6.29M | 0.13% | −38,875−26.9% | Reduced |
| Algert Global LLC | 104,973 | $6.26M | 0.27% | +96,133+1,087.5% | Added |
| Alps Advisors Inc | 103,062 | $6.14M | 0.05% | +32,066+45.2% | Added |
| Thrive Wealth Management, LLC | 98,721 | $5.89M | 1.52% | −2,538−2.5% | Reduced |
| Texas Permanent School Fund | 89,205 | $5.32M | 0.05% | −817−0.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 88,309 | $5.26M | 0.01% | +45,498+106.3% | Added |
| Trexquant Investment LP | 87,208 | $5.20M | 0.14% | +63,393+266.2% | Added |
| Ensign Peak Advisors, Inc | 85,619 | $5.10M | 0.01% | +18,730+28.0% | Added |
| Southernsun Asset Management, LLC | 80,173 | $4.78M | 0.50% | −6,810−7.8% | Reduced |
| Alberta Investment Management Corp | 79,692 | $4.75M | 0.05% | +28,801+56.6% | Added |
| Pictet Asset Management SA | 79,074 | $4.71M | 0.01% | −55,087−41.1% | Reduced |
| Foyston, Gordon, & Payne Inc | 78,525 | $4.68M | 1.23% | +1,614+2.1% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 77,975 | $4.65M | 0.01% | +4,140+5.6% | Added |
| CWM, LLC | 77,510 | $4.62M | 0.03% | −447−0.6% | Reduced |
| Manufacturers Life Insurance Company, The | 76,963 | $4.59M | 0.00% | −3,559−4.4% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 75,465 | $4.50M | 0.22% | −1,232−1.6% | Reduced |
| Voya Investment Management LLC | 74,496 | $4.44M | 0.00% | +14,251+23.7% | Added |
| Mutual of America Capital Management LLC | 73,759 | $4.40M | 0.05% | −8,300−10.1% | Reduced |