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, Q4 2022
Institutional positions in SEI Investments Co as of Dec 31, 2022. 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
- 446
- +22 vs. Q3 2022
- Shares held
- 93.4M
- +5.41M (+6.1%) vs. Q3 2022
- Total value
- $5.45B
- +$1.13B (+26.2%) vs. Q3 2022
- New holders
- 59
- 135 more added
- Sold out
- 37
- 162 more reduced
9 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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, Q4 2022
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 12,247,827 | $714.0M | 0.02% | +165,574+1.4% | Added |
| BlackRock Inc. | 11,459,168 | $668.1M | 0.02% | −25,678−0.2% | Reduced |
| Loomis Sayles & Co L P | 10,491,373 | $611.6M | 1.22% | −649,723−5.8% | Reduced |
| State Street Corp | 6,706,079 | $393.7M | 0.02% | +412,456+6.6% | Added |
| Morgan Stanley | 6,519,582 | $380.1M | 0.04% | +5,673,374+670.4% | Added |
| Beutel, Goodman & Co Ltd. | 3,856,301 | $224.8M | 1.36% | −9,230−0.2% | Reduced |
| Bank of America Corp | 3,323,079 | $193.7M | 0.02% | −156,916−4.5% | Reduced |
| Great West Life Assurance Co | 2,025,811 | $118.7M | 0.31% | −8,036−0.4% | Reduced |
| Geode Capital Management, LLC | 2,004,207 | $116.7M | 0.02% | +18,194+0.9% | Added |
| Royce & Associates LP | 1,452,789 | $84.7M | 0.89% | −1,281−0.1% | Reduced |
| Bank of New York Mellon Corp | 1,321,693 | $77.1M | 0.02% | −26,750−2.0% | Reduced |
| Boston Trust Walden Corp | 1,265,913 | $73.8M | 0.65% | +80,817+6.8% | Added |
| Dimensional Fund Advisors LP | 1,173,941 | $68.4M | 0.02% | +17,685+1.5% | Added |
| Northern Trust Corp | 1,081,453 | $63.0M | 0.01% | −14,468−1.3% | Reduced |
| Tandem Investment Advisors, Inc. | 992,255 | $57.8M | 2.99% | +65,740+7.1% | Added |
| UBS Asset Management Americas Inc | 978,505 | $57.0M | 0.03% | +411,444+72.6% | Added |
| Legal & General Group Plc | 854,953 | $49.8M | 0.02% | −10,831−1.3% | Reduced |
| Royal Bank of Canada | 803,467 | $46.8M | 0.01% | −47,922−5.6% | Reduced |
| Natixis Advisors, L.P. | 751,519 | $43.8M | 0.17% | −36,356−4.6% | Reduced |
| ProShare Advisors LLC | 684,040 | $39.9M | 0.14% | +193,691+39.5% | Added |
| AQR Capital Management LLC | 672,385 | $39.1M | 0.09% | +71,887+12.0% | Added |
| Charles Schwab Investment Management Inc | 646,006 | $37.7M | 0.01% | +19,478+3.1% | Added |
| Invesco Ltd. | 604,913 | $35.3M | 0.01% | +54,807+10.0% | Added |
| Brown Advisory Inc | 601,195 | $35.0M | 0.07% | +98,790+19.7% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 589,200 | $34.4M | 0.46% | +30,000+5.4% | Added |
| American Century Companies Inc | 566,332 | $33.0M | 0.03% | −265,820−31.9% | Reduced |
| Norges Bank | 536,017 | $31.2M | 0.01% | −39,905−6.9% | Reduced |
| Ameriprise Financial Inc | 531,146 | $31.0M | 0.01% | −75,836−12.5% | Reduced |
| Goldman Sachs Group Inc | 513,371 | $29.9M | 0.01% | +10,627+2.1% | Added |
| American Capital Management Inc | 478,069 | $27.9M | 1.09% | −85,440−15.2% | Reduced |
| First Trust Advisors LP | 418,812 | $24.4M | 0.03% | +12,021+3.0% | Added |
| Principal Financial Group Inc | 411,471 | $24.0M | 0.02% | +830.0% | Added |
| Renaissance Technologies LLC | 371,526 | $21.7M | 0.03% | −31,600−7.8% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 357,397 | $20.8M | 0.02% | +17,052+5.0% | Added |
| Raymond James & Associates | 344,746 | $20.1M | 0.02% | −1,577−0.5% | Reduced |
| Ceredex Value Advisors LLC | 332,128 | $19.5M | 0.30% | −100,427−23.2% | Reduced |
| Rhumbline Advisers | 331,749 | $19.3M | 0.03% | +3,290+1.0% | Added |
| Amundi | 298,539 | $18.3M | 0.01% | −111,887−27.3% | Reduced |
| AustralianSuper Pty Ltd | 295,153 | $17.4M | 0.13% | −1,207−0.4% | Reduced |
| Nuveen Asset Management, LLC | 296,809 | $17.3M | 0.01% | −4,444−1.5% | Reduced |
| JLB & Associates Inc | 285,843 | $16.7M | 2.66% | −7,943−2.7% | Reduced |
| Retirement Systems of Alabama | 281,758 | $16.4M | 0.07% | +249+0.1% | Added |
| New York State Common Retirement Fund | 258,287 | $15.1M | 0.02% | +1,793+0.7% | Added |
| HSBC Holdings PLC | 247,878 | $14.4M | 0.02% | +195,037+369.1% | Added |
| Hendershot Investments Inc. | 244,569 | $14.3M | 2.41% | −11,933−4.7% | Reduced |
| California Public Employees Retirement System | 240,887 | $14.0M | 0.01% | −1,280−0.5% | Reduced |
| JPMorgan Chase & Co | 237,888 | $13.9M | 0.00% | −211,576−47.1% | Reduced |
| Crestwood Advisors Group LLC | 223,353 | $13.0M | 0.44% | +153,353+219.1% | Added |
| FMR LLC | 221,475 | $12.9M | 0.00% | +19,717+9.8% | Added |
| Man Group plc | 220,480 | $12.9M | 0.05% | −30,344−12.1% | Reduced |
| Envestnet Asset Management Inc | 217,400 | $12.7M | 0.01% | −792−0.4% | Reduced |
| TD Asset Management Inc | 217,099 | $12.7M | 0.02% | −4,743−2.1% | Reduced |
| Victory Capital Management Inc | 212,637 | $12.4M | 0.01% | −92,931−30.4% | Reduced |
| Teacher Retirement System of Texas | 210,592 | $12.3M | 0.09% | +65,576+45.2% | Added |
| Citadel Advisors LLC | 210,388 | $12.3M | 0.01% | +194,834+1,252.6% | Added |
| Citigroup Inc | 209,902 | $12.2M | 0.02% | −81,565−28.0% | Reduced |
| State of Alaska, Department of Revenue | 202,326 | $11.8M | 0.15% | +65,627+48.0% | Added |
| PGGM Investments | 197,185 | $11.5M | 0.20% | −19,276−8.9% | Reduced |
| Leith Wheeler Investment Counsel Ltd. | 188,915 | $11.0M | 1.66% | −400−0.2% | Reduced |
| Schroder Investment Management Group | 184,566 | $10.8M | 0.02% | +22,948+14.2% | Added |
| Truist Financial Corp | 180,678 | $10.5M | 0.02% | −15,065−7.7% | Reduced |
| California State Teachers Retirement System | 179,737 | $10.5M | 0.02% | +762+0.4% | Added |
| Voloridge Investment Management, LLC | 178,560 | $10.4M | 0.06% | −1,045−0.6% | Reduced |
| Deutsche Bank AG | 163,705 | $9.54M | 0.01% | −51,527−23.9% | Reduced |
| American International Group, Inc. | 159,594 | $9.30M | 0.06% | −2,900−1.8% | Reduced |
| Hahn Capital Management LLC | 159,150 | $9.28M | 2.45% | −3,200−2.0% | Reduced |
| Alliancebernstein L.P. | 156,684 | $9.13M | 0.00% | −140.0% | Reduced |
| KBC Group NV | 155,132 | $9.04M | 0.04% | −14,079−8.3% | Reduced |
| Credit Suisse AG | 146,961 | $8.57M | 0.01% | −41,994−22.2% | Reduced |
| State Board of Administration of Florida Retirement System | 142,362 | $8.30M | 0.02% | −7,960−5.3% | Reduced |
| New York State Teachers Retirement System | 136,122 | $7.94M | 0.02% | −9,900−6.8% | Reduced |
| Qube Research & Technologies Ltd | 129,735 | $7.56M | 0.05% | +24,938+23.8% | Added |
| Parsec Financial Management, Inc. | 125,832 | $7.34M | 0.33% | +10,531+9.1% | Added |
| River Road Asset Management, LLC | 125,393 | $7.31M | 0.10% | −75,306−37.5% | Reduced |
| Franklin Resources Inc | 124,193 | $7.24M | 0.00% | −1,832−1.5% | Reduced |
| Korea Investment CORP | 121,559 | $7.09M | 0.02% | +1,882+1.6% | Added |
| UBS Group AG | 118,801 | $6.93M | 0.00% | −133,864−53.0% | Reduced |
| RSM US Wealth Management LLC | 115,800 | $6.75M | 0.33% | 00.0% | Unchanged |
| HBK Sorce Advisory LLC | 115,774 | $6.75M | 0.18% | +67,943+142.0% | Added |
| Russell Investments Group, Ltd. | 112,707 | $6.57M | 0.01% | −11,799−9.5% | Reduced |
| Bank of Montreal | 104,220 | $6.42M | 0.01% | +2,576+2.5% | Added |
| Thrive Wealth Management, LLC | 103,817 | $6.05M | 1.73% | +8,094+8.5% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 98,474 | $5.74M | 0.04% | −58,622−37.3% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 95,256 | $5.55M | 0.27% | +33,282+53.7% | Added |
| Brandywine Global Investment Management, LLC | 93,800 | $5.47M | 0.04% | −5,903−5.9% | Reduced |
| Barclays PLC | 93,141 | $5.43M | 0.00% | +17,190+22.6% | Added |
| Banco Santander, S.A. | 93,050 | $5.42M | 0.08% | −8,577−8.4% | Reduced |
| Southernsun Asset Management, LLC | 87,707 | $5.11M | 0.58% | −32,378−27.0% | Reduced |
| Manufacturers Life Insurance Company, The | 84,247 | $4.91M | 0.00% | −514−0.6% | Reduced |
| Mutual of America Capital Management LLC | 84,190 | $4.91M | 0.06% | +1,453+1.8% | Added |
| Amalgamated Bank | 79,982 | $4.66M | 0.04% | +4,944+6.6% | Added |
| Bridgewater Associates, LP | 79,736 | $4.65M | 0.03% | −11,501−12.6% | Reduced |
| CWM, LLC | 79,040 | $4.61M | 0.03% | +667+0.9% | Added |
| Ensign Peak Advisors, Inc | 78,722 | $4.59M | 0.01% | −31,432−28.5% | Reduced |
| Foyston, Gordon, & Payne Inc | 78,326 | $4.57M | 1.26% | +41,887+115.0% | Added |
| Andra AP-fonden | 75,000 | $4.37M | 0.13% | −12,800−14.6% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 74,569 | $4.35M | 0.01% | −6,684−8.2% | Reduced |
| Court Place Advisors, LLC | 76,303 | $4.33M | 1.57% | −2,333−3.0% | Reduced |
| Storebrand Asset Management AS | 73,775 | $4.30M | 0.02% | +9,874+15.5% | Added |
| Davis R M Inc | 71,511 | $4.17M | 0.11% | −34,988−32.9% | Reduced |