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 2021
Institutional positions in SEI Investments Co as of Jun 30, 2021. 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
- 440
- +1 vs. Q1 2021
- Shares held
- 97.6M
- −282.9K (−0.3%) vs. Q1 2021
- Total value
- $6.04B
- +$84.4M (+1.4%) vs. Q1 2021
- New holders
- 46
- 148 more added
- Sold out
- 45
- 150 more reduced
4 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FORA Capital, LLC | 3,096 | $192.0K | 0.04% | +3,096 | New |
| Kestra Advisory Services, LLC | 3,290 | $204.0K | 0.00% | +3,290 | New |
| Mairs & Power Inc | 3,300 | $205.0K | 0.00% | 00.0% | Unchanged |
| Legacy Advisors, LLC | 3,354 | $208.0K | 0.08% | 00.0% | Unchanged |
| Brewin Dolphin Ltd | 3,400 | $210.7K | 0.01% | 00.0% | Unchanged |
| Venturi Wealth Management, LLC | 3,475 | $215.0K | 0.02% | −1,443−29.3% | Reduced |
| Storebrand Asset Management AS | 3,497 | $216.7K | 0.00% | −4,867−58.2% | Reduced |
| Ci Investments Inc. | 3,556 | $220.0K | 0.00% | +1,370+62.7% | Added |
| Cigna Investments Inc | 3,547 | $221.0K | 0.02% | −712−16.7% | Reduced |
| Congress Asset Management Co | 3,581 | $222.0K | 0.00% | −23−0.6% | Reduced |
| Creative Planning | 3,710 | $230.0K | 0.00% | −676−15.4% | Reduced |
| Kore Private Wealth LLC | 3,748 | $232.0K | 0.03% | +3,748 | New |
| Redpoint Investment Management Pty Ltd | 3,814 | $236.0K | 0.02% | +3,814 | New |
| First Citizens Bank & Trust Co | 3,844 | $238.0K | 0.01% | −501−11.5% | Reduced |
| Symmetry Partners, LLC | 3,863 | $239.0K | 0.02% | −452−10.5% | Reduced |
| Cetera Investment Advisers | 3,890 | $241.0K | 0.00% | +3,890 | New |
| WBH Advisory Inc | 4,000 | $242.0K | 0.04% | 00.0% | Unchanged |
| Blueshift Asset Management, LLC | 3,914 | $243.0K | 0.01% | +3,914 | New |
| Simplex Trading, LLC | 3,968 | $245.0K | 0.01% | +3,621+1,043.5% | Added |
| Sciencast Management LP | 3,983 | $245.0K | 0.05% | +3,983 | New |
| Paces Ferry Wealth Advisors, LLC | 4,075 | $253.0K | 0.19% | −62−1.5% | Reduced |
| Private Advisor Group, LLC | 4,126 | $256.0K | 0.00% | +4,126 | New |
| Pearl River Capital, LLC | 4,134 | $256.0K | 0.07% | +4,134 | New |
| JustInvest LLC | 4,219 | $261.0K | 0.03% | +4,219 | New |
| Assenagon Asset Management S.A. | 4,291 | $266.0K | 0.00% | −122,609−96.6% | Reduced |
| Vestmark Advisory Solutions, Inc. | 4,290 | $266.0K | 0.02% | +4,290 | New |
| Federation des caisses Desjardins du Quebec | 4,409 | $273.0K | 0.00% | +690+18.6% | Added |
| Citadel Investment Advisory, Inc. | 4,420 | $274.0K | 0.17% | 00.0% | Unchanged |
| Teza Capital Management LLC | 4,499 | $279.0K | 0.05% | +4,499 | New |
| Cadent Capital Advisors, LLC | 4,650 | $288.0K | 0.12% | +891+23.7% | Added |
| Advisory Services Network, LLC | 4,695 | $291.0K | 0.01% | −14,348−75.3% | Reduced |
| Great Diamond Partners, LLC | 4,711 | $291.0K | 0.08% | −49−1.0% | Reduced |
| BP PLC | 4,688 | $291.0K | 0.01% | 00.0% | Unchanged |
| Pitcairn Co | 4,854 | $301.0K | 0.02% | −403−7.7% | Reduced |
| DF Dent & Co Inc | 4,953 | $307.0K | 0.00% | 00.0% | Unchanged |
| L2 Asset Management, LLC | 5,022 | $311.0K | 0.29% | −1,770−26.1% | Reduced |
| Public Sector Pension Investment Board | 5,080 | $315.0K | 0.00% | +5,080 | New |
| Hennion & Walsh Asset Management, Inc. | 5,099 | $316.0K | 0.02% | +5,099 | New |
| Veritable, L.P. | 5,112 | $317.0K | 0.01% | +328+6.9% | Added |
| World Asset Management Inc | 5,190 | $322.0K | 0.03% | −246−4.5% | Reduced |
| Leavell Investment Management, Inc. | 5,500 | $335.0K | 0.03% | 00.0% | Unchanged |
| Investment House LLC | 5,432 | $336.0K | 0.02% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 5,418 | $336.0K | 0.00% | +7+0.1% | Added |
| Diversified Trust Co | 5,491 | $340.0K | 0.01% | +5,491 | New |
| Y-Intercept (Hong Kong) Ltd | 5,548 | $344.0K | 0.09% | +5,548 | New |
| Cetera Advisor Networks LLC | 5,595 | $347.0K | 0.00% | +115+2.1% | Added |
| Seeyond | 5,704 | $353.0K | 0.03% | +26+0.5% | Added |
| Meiji Yasuda Life Insurance Co | 5,790 | $359.0K | 0.01% | −135−2.3% | Reduced |
| Point72 Hong Kong Ltd | 5,871 | $364.0K | 0.03% | −757−11.4% | Reduced |
| Mercer Global Advisors Inc | 5,938 | $368.0K | 0.00% | +1,304+28.1% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 5,973 | $370.0K | 0.01% | 00.0% | Unchanged |
| Procyon Private Wealth Partners, LLC | 6,161 | $382.0K | 0.10% | +1,057+20.7% | Added |
| Daiwa Securities Group Inc. | 6,225 | $386.0K | 0.00% | 00.0% | Unchanged |
| GW Henssler & Associates Ltd | 6,508 | $403.0K | 0.03% | +6,508 | New |
| Allianz Asset Management GmbH | 6,522 | $404.0K | 0.00% | +848+14.9% | Added |
| Shelton Capital Management | 6,604 | $409.0K | 0.02% | −263−3.8% | Reduced |
| Commonwealth Equity Services, LLC | 6,667 | $413.0K | 0.00% | −360−5.1% | Reduced |
| Segall Bryant & Hamill, LLC | 6,756 | $418.0K | 0.00% | 00.0% | Unchanged |
| Quantitative Investment Management, LLC | 7,042 | $436.0K | 0.04% | −1,119−13.7% | Reduced |
| Raymond James Trust N.A. | 7,040 | $436.0K | 0.01% | +700+11.0% | Added |
| Legacy Wealth Asset Management, LLC | 7,129 | $442.0K | 0.20% | −111−1.5% | Reduced |
| Front Street Capital Management, Inc. | 7,211 | $447.0K | 0.08% | 00.0% | Unchanged |
| Profund Advisors LLC | 7,362 | $456.0K | 0.02% | −92−1.2% | Reduced |
| Maryland State Retirement & Pension System | 7,488 | $460.0K | 0.02% | −1,529−17.0% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 7,610 | $472.0K | 0.01% | +7,610 | New |
| Haverford Trust Co | 7,870 | $488.0K | 0.01% | 00.0% | Unchanged |
| Fayez Sarofim & Co | 7,900 | $490.0K | 0.00% | 00.0% | Unchanged |
| Dividend Assets Capital, LLC | 7,992 | $495.0K | 0.10% | −1,480−15.6% | Reduced |
| HighTower Advisors, LLC | 8,021 | $496.0K | 0.00% | −5−0.1% | Reduced |
| Trexquant Investment LP | 8,213 | $509.0K | 0.04% | +1,177+16.7% | Added |
| FDx Advisors, Inc. | 8,694 | $539.0K | 0.02% | −85−1.0% | Reduced |
| B. Metzler seel. Sohn & Co. Holding AG | 8,851 | $548.0K | 0.01% | +1,046+13.4% | Added |
| Snowden Capital Advisors LLC | 8,867 | $549.5K | 0.03% | +2,773+45.5% | Added |
| Abbot Financial Management, Inc. | 8,900 | $552.0K | 0.24% | 00.0% | Unchanged |
| Westpac Banking Corp | 9,015 | $558.7K | 0.01% | 00.0% | Unchanged |
| EagleClaw Capital Managment, LLC | 9,117 | $565.0K | 0.15% | −1,333−12.8% | Reduced |
| Nordea Investment Management AB | 9,138 | $566.0K | 0.00% | +612+7.2% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 9,424 | $583.0K | 0.06% | −1,384−12.8% | Reduced |
| Beaumont Financial Partners, LLC | 9,422 | $585.0K | 0.04% | +9,422 | New |
| Baker Tilly Wealth Management, LLC | 9,479 | $587.0K | 0.09% | +954+11.2% | Added |
| Telos Capital Management, Inc. | 9,600 | $595.0K | 0.08% | 00.0% | Unchanged |
| Logan Capital Management Inc | 9,700 | $601.0K | 0.03% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 9,750 | $604.0K | 0.00% | +9,750 | New |
| Ergoteles LLC | 9,980 | $618.0K | 0.01% | +9,980 | New |
| RBF Capital, LLC | 10,000 | $620.0K | 0.03% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 10,016 | $620.0K | 0.03% | +8,600+607.3% | Added |
| Commerce Bank | 10,041 | $622.0K | 0.00% | +52+0.5% | Added |
| Fisher Asset Management, LLC | 10,073 | $624.0K | 0.00% | +300+3.1% | Added |
| Hoover Financial Advisors, Inc. | 10,117 | $627.0K | 0.11% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 10,113 | $627.0K | 0.06% | +10,113 | New |
| Squarepoint Ops LLC | 10,152 | $629.0K | 0.00% | +10,152 | New |
| Crawford Investment Counsel Inc | 10,240 | $635.0K | 0.01% | +3,630+54.9% | Added |
| Standard Life Aberdeen plc | 10,259 | $636.0K | 0.00% | −2,100−17.0% | Reduced |
| Advisor Group Holdings, Inc. | 10,310 | $639.0K | 0.00% | +305+3.0% | Added |
| Ashfield Capital Partners, LLC | 10,524 | $652.0K | 0.05% | 00.0% | Unchanged |
| Marshall Financial Group LLC | 10,604 | $657.0K | 0.35% | +10,604 | New |
| Jacobs Levy Equity Management, Inc | 10,761 | $667.0K | 0.00% | +10,761 | New |
| DekaBank Deutsche Girozentrale | 10,848 | $669.0K | 0.00% | −1,407−11.5% | Reduced |
| Securian Asset Management, Inc | 10,893 | $675.0K | 0.01% | −348−3.1% | Reduced |
| Public Employees Retirement Association of Colorado | 10,923 | $677.0K | 0.00% | −7,778−41.6% | Reduced |