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 |
|---|---|---|---|---|---|
| California Public Employees Retirement System | 240,887 | $14.0M | 0.01% | −1,280−0.5% | Reduced |
| Hendershot Investments Inc. | 244,569 | $14.3M | 2.41% | −11,933−4.7% | Reduced |
| HSBC Holdings PLC | 247,878 | $14.4M | 0.02% | +195,037+369.1% | Added |
| New York State Common Retirement Fund | 258,287 | $15.1M | 0.02% | +1,793+0.7% | Added |
| Retirement Systems of Alabama | 281,758 | $16.4M | 0.07% | +249+0.1% | Added |
| JLB & Associates Inc | 285,843 | $16.7M | 2.66% | −7,943−2.7% | Reduced |
| Nuveen Asset Management, LLC | 296,809 | $17.3M | 0.01% | −4,444−1.5% | Reduced |
| AustralianSuper Pty Ltd | 295,153 | $17.4M | 0.13% | −1,207−0.4% | Reduced |
| Amundi | 298,539 | $18.3M | 0.01% | −111,887−27.3% | Reduced |
| Rhumbline Advisers | 331,749 | $19.3M | 0.03% | +3,290+1.0% | Added |
| Ceredex Value Advisors LLC | 332,128 | $19.5M | 0.30% | −100,427−23.2% | Reduced |
| Raymond James & Associates | 344,746 | $20.1M | 0.02% | −1,577−0.5% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 357,397 | $20.8M | 0.02% | +17,052+5.0% | Added |
| Renaissance Technologies LLC | 371,526 | $21.7M | 0.03% | −31,600−7.8% | Reduced |
| Principal Financial Group Inc | 411,471 | $24.0M | 0.02% | +830.0% | Added |
| First Trust Advisors LP | 418,812 | $24.4M | 0.03% | +12,021+3.0% | Added |
| American Capital Management Inc | 478,069 | $27.9M | 1.09% | −85,440−15.2% | Reduced |
| Goldman Sachs Group Inc | 513,371 | $29.9M | 0.01% | +10,627+2.1% | Added |
| Ameriprise Financial Inc | 531,146 | $31.0M | 0.01% | −75,836−12.5% | Reduced |
| Norges Bank | 536,017 | $31.2M | 0.01% | −39,905−6.9% | Reduced |
| American Century Companies Inc | 566,332 | $33.0M | 0.03% | −265,820−31.9% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 589,200 | $34.4M | 0.46% | +30,000+5.4% | Added |
| Brown Advisory Inc | 601,195 | $35.0M | 0.07% | +98,790+19.7% | Added |
| Invesco Ltd. | 604,913 | $35.3M | 0.01% | +54,807+10.0% | Added |
| Charles Schwab Investment Management Inc | 646,006 | $37.7M | 0.01% | +19,478+3.1% | Added |
| AQR Capital Management LLC | 672,385 | $39.1M | 0.09% | +71,887+12.0% | Added |
| ProShare Advisors LLC | 684,040 | $39.9M | 0.14% | +193,691+39.5% | Added |
| Natixis Advisors, L.P. | 751,519 | $43.8M | 0.17% | −36,356−4.6% | Reduced |
| Royal Bank of Canada | 803,467 | $46.8M | 0.01% | −47,922−5.6% | Reduced |
| Legal & General Group Plc | 854,953 | $49.8M | 0.02% | −10,831−1.3% | Reduced |
| UBS Asset Management Americas Inc | 978,505 | $57.0M | 0.03% | +411,444+72.6% | Added |
| Tandem Investment Advisors, Inc. | 992,255 | $57.8M | 2.99% | +65,740+7.1% | Added |
| Northern Trust Corp | 1,081,453 | $63.0M | 0.01% | −14,468−1.3% | Reduced |
| Dimensional Fund Advisors LP | 1,173,941 | $68.4M | 0.02% | +17,685+1.5% | Added |
| Boston Trust Walden Corp | 1,265,913 | $73.8M | 0.65% | +80,817+6.8% | Added |
| Bank of New York Mellon Corp | 1,321,693 | $77.1M | 0.02% | −26,750−2.0% | Reduced |
| Royce & Associates LP | 1,452,789 | $84.7M | 0.89% | −1,281−0.1% | Reduced |
| Geode Capital Management, LLC | 2,004,207 | $116.7M | 0.02% | +18,194+0.9% | Added |
| Great West Life Assurance Co | 2,025,811 | $118.7M | 0.31% | −8,036−0.4% | Reduced |
| Bank of America Corp | 3,323,079 | $193.7M | 0.02% | −156,916−4.5% | Reduced |
| Beutel, Goodman & Co Ltd. | 3,856,301 | $224.8M | 1.36% | −9,230−0.2% | Reduced |
| Morgan Stanley | 6,519,582 | $380.1M | 0.04% | +5,673,374+670.4% | Added |
| State Street Corp | 6,706,079 | $393.7M | 0.02% | +412,456+6.6% | Added |
| Loomis Sayles & Co L P | 10,491,373 | $611.6M | 1.22% | −649,723−5.8% | Reduced |
| BlackRock Inc. | 11,459,168 | $668.1M | 0.02% | −25,678−0.2% | Reduced |
| Vanguard Group Inc | 12,247,827 | $714.0M | 0.02% | +165,574+1.4% | Added |
| Northwest & Ethical Investments L.P. | 0 | $0 | 0.00% | −58,176−100.0% | Sold out |
| Courant Investment Management LLC | 0 | $0 | 0.00% | −54,707−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −44,723−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −41,813−100.0% | Sold out |
| Pinnacle Financial Partners Inc | 0 | $0 | 0.00% | −37,419−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −25,767−100.0% | Sold out |
| AlphaCrest Capital Management LLC | 0 | $0 | 0.00% | −24,608−100.0% | Sold out |
| Globeflex Capital L P | 0 | $0 | 0.00% | −24,144−100.0% | Sold out |
| Pinebridge Investments, L.P. | 0 | $0 | 0.00% | −18,947−100.0% | Sold out |
| Marshall Financial Group LLC | 0 | $0 | 0.00% | −15,945−100.0% | Sold out |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −14,688−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −13,130−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −10,852−100.0% | Sold out |
| Crawford Investment Counsel Inc | 0 | $0 | 0.00% | −10,596−100.0% | Sold out |
| AdvisorShares Investments LLC | 0 | $0 | 0.00% | −8,658−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −7,728−100.0% | Sold out |
| Grantham, Mayo, Van Otterloo & Co. LLC | 0 | $0 | 0.00% | −6,100−100.0% | Sold out |
| Diversified Trust Co | 0 | $0 | 0.00% | −5,945−100.0% | Sold out |
| Balentine LLC | 0 | $0 | 0.00% | −5,875−100.0% | Sold out |
| Vestmark Advisory Solutions, Inc. | 0 | $0 | 0.00% | −5,799−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −5,162−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −5,084−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −4,698−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −4,586−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −4,425−100.0% | Sold out |
| Convergence Investment Partners, LLC | 0 | $0 | 0.00% | −4,403−100.0% | Sold out |
| Howe & Rusling Inc | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,620−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,391−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −841−100.0% | Sold out |
| Riverview Trust Co | 0 | $0 | 0.00% | −249−100.0% | Sold out |
| Money Concepts Capital Corp | 0 | $0 | 0.00% | −142−100.0% | Sold out |
| Credential Qtrade Securities Inc. | 0 | $0 | 0.00% | −74−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Evoke Wealth, LLC | 0 | $0 | 0.00% | −63−100.0% | Sold out |
| Cullen/Frost Bankers, Inc. | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Longfellow Investment Management Co LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Atlanta Capital Management Co L L C | – | – | – | – | Not filed |
| Eaton Vance Management | – | – | – | – | Not filed |
| Morris Capital Advisors, LLC | – | – | – | – | Not filed |
| Ashfield Capital Partners, LLC | – | – | – | – | Not filed |
| Jefferies Group LLC | – | – | – | – | Not filed |
| Bailey Value Limited Partnership | – | – | – | – | Not filed |
| Beaumont Financial Partners, LLC | – | – | – | – | Not filed |
| Wipfli Financial Advisors LLC, | – | – | – | – | Not filed |
| American Portfolios Advisors | – | – | – | – | Not filed |