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, Q3 2021
Institutional positions in SEI Investments Co as of Sep 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
- 446
- +12 vs. Q2 2021
- Shares held
- 96.7M
- −835.6K (−0.9%) vs. Q2 2021
- Total value
- $5.73B
- −$308.3M (−5.1%) vs. Q2 2021
- New holders
- 42
- 138 more added
- Sold out
- 30
- 160 more reduced
6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Howe & Rusling Inc | 2,000 | $119.0K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 2,060 | $122.0K | 0.00% | +30+1.5% | Added |
| Accel Wealth Management | 2,080 | $123.0K | 0.08% | 00.0% | Unchanged |
| South State Corp. | 2,139 | $127.0K | 0.01% | +2,139 | New |
| Lumature Wealth Partners, LLC | 2,500 | $148.0K | 0.06% | 00.0% | Unchanged |
| Hills Bank & Trust Co | 2,715 | $161.0K | 0.02% | −27−1.0% | Reduced |
| Pinz Capital Management, LP | 3,000 | $178.0K | 0.08% | +3,000 | New |
| Tower Research Capital LLC (TRC) | 3,397 | $201.0K | 0.01% | −24,548−87.8% | Reduced |
| Kestra Advisory Services, LLC | 3,393 | $201.0K | 0.00% | +103+3.1% | Added |
| Brewin Dolphin Ltd | 3,400 | $201.6K | 0.01% | 00.0% | Unchanged |
| Congress Asset Management Co | 3,424 | $203.0K | 0.00% | −157−4.4% | Reduced |
| Ci Investments Inc. | 3,595 | $213.0K | 0.00% | +39+1.1% | Added |
| Kore Private Wealth LLC | 3,661 | $217.0K | 0.02% | −87−2.3% | Reduced |
| Allianz Asset Management GmbH | 3,723 | $221.0K | 0.00% | −2,799−42.9% | Reduced |
| Bokf, NA | 3,763 | $223.0K | 0.00% | +3,763 | New |
| First Citizens Bank & Trust Co | 3,792 | $225.0K | 0.01% | −52−1.4% | Reduced |
| Redpoint Investment Management Pty Ltd | 3,814 | $226.0K | 0.02% | 00.0% | Unchanged |
| CWM Advisors, LLC | 3,885 | $230.0K | 0.03% | +3,885 | New |
| Symmetry Partners, LLC | 3,863 | $233.0K | 0.02% | 00.0% | Unchanged |
| WBH Advisory Inc | 4,000 | $237.0K | 0.03% | 00.0% | Unchanged |
| Paces Ferry Wealth Advisors, LLC | 4,027 | $239.0K | 0.19% | −48−1.2% | Reduced |
| Private Advisor Group, LLC | 4,126 | $245.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 3,968 | $247.0K | 0.01% | 00.0% | Unchanged |
| Cetera Investment Advisers | 4,174 | $247.0K | 0.00% | +284+7.3% | Added |
| Quadrature Capital Ltd | 4,286 | $254.0K | 0.01% | +4,286 | New |
| Meiji Yasuda Life Insurance Co | 4,390 | $260.0K | 0.00% | −1,400−24.2% | Reduced |
| Citadel Investment Advisory, Inc. | 4,420 | $262.0K | 0.16% | 00.0% | Unchanged |
| Petrus Trust Company, LTA | 4,434 | $263.0K | 0.03% | +4,434 | New |
| Storebrand Asset Management AS | 4,483 | $265.8K | 0.00% | +986+28.2% | Added |
| Pitcairn Co | 4,660 | $276.0K | 0.02% | −194−4.0% | Reduced |
| Cadent Capital Advisors, LLC | 4,650 | $276.0K | 0.12% | 00.0% | Unchanged |
| Diversified Trust Co | 4,666 | $277.0K | 0.01% | −825−15.0% | Reduced |
| Great Diamond Partners, LLC | 4,681 | $277.0K | 0.08% | −30−0.6% | Reduced |
| Veritable, L.P. | 4,810 | $285.0K | 0.00% | −302−5.9% | Reduced |
| World Asset Management Inc | 4,855 | $288.0K | 0.03% | −335−6.5% | Reduced |
| Commonwealth Equity Services, LLC | 4,953 | $293.0K | 0.00% | −1,714−25.7% | Reduced |
| DF Dent & Co Inc | 4,953 | $294.0K | 0.00% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 4,981 | $295.0K | 0.05% | −567−10.2% | Reduced |
| Cetera Advisor Networks LLC | 5,058 | $300.0K | 0.00% | −537−9.6% | Reduced |
| Advisory Services Network, LLC | 5,122 | $304.0K | 0.01% | +427+9.1% | Added |
| Pendal Group Limited | 5,124 | $304.0K | 0.00% | +5,124 | New |
| Neo Ivy Capital Management | 5,613 | $309.0K | 0.35% | +4,773+568.2% | Added |
| Federation des caisses Desjardins du Quebec | 5,389 | $319.4K | 0.00% | +980+22.2% | Added |
| Investment House LLC | 5,432 | $322.0K | 0.02% | 00.0% | Unchanged |
| Leavell Investment Management, Inc. | 5,500 | $326.0K | 0.02% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 5,512 | $327.0K | 0.02% | +413+8.1% | Added |
| Public Sector Pension Investment Board | 5,560 | $330.0K | 0.00% | +480+9.4% | Added |
| Dynamic Technology Lab Private Ltd | 5,640 | $334.0K | 0.04% | −4,473−44.2% | Reduced |
| Seeyond | 5,646 | $334.0K | 0.03% | −58−1.0% | Reduced |
| Mercer Global Advisors Inc | 5,716 | $339.0K | 0.00% | −222−3.7% | Reduced |
| CIBC Asset Management Inc | 5,737 | $340.0K | 0.00% | +319+5.9% | Added |
| Profund Advisors LLC | 5,744 | $341.0K | 0.01% | −1,618−22.0% | Reduced |
| Trexquant Investment LP | 5,873 | $348.0K | 0.03% | −2,340−28.5% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 5,929 | $351.0K | 0.01% | −44−0.7% | Reduced |
| Vestmark Advisory Solutions, Inc. | 5,948 | $353.0K | 0.02% | +1,658+38.6% | Added |
| Procyon Private Wealth Partners, LLC | 6,161 | $365.0K | 0.09% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 6,225 | $369.0K | 0.00% | 00.0% | Unchanged |
| Shelton Capital Management | 6,604 | $392.0K | 0.02% | 00.0% | Unchanged |
| Segall Bryant & Hamill, LLC | 6,756 | $400.0K | 0.00% | 00.0% | Unchanged |
| Dividend Assets Capital, LLC | 7,091 | $420.0K | 0.08% | −901−11.3% | Reduced |
| Legacy Wealth Asset Management, LLC | 7,101 | $421.0K | 0.19% | −28−0.4% | Reduced |
| E. Ohman J:or Asset Management AB | 7,200 | $427.0K | 0.01% | +7,200 | New |
| Front Street Capital Management, Inc. | 7,211 | $428.0K | 0.08% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 7,488 | $453.0K | 0.01% | 00.0% | Unchanged |
| Raymond James Trust N.A. | 7,710 | $457.0K | 0.02% | +670+9.5% | Added |
| HighTower Advisors, LLC | 7,783 | $460.0K | 0.00% | −238−3.0% | Reduced |
| B. Metzler seel. Sohn & Co. Holding AG | 7,775 | $461.0K | 0.01% | −1,076−12.2% | Reduced |
| Haverford Trust Co | 7,870 | $467.0K | 0.01% | 00.0% | Unchanged |
| Fayez Sarofim & Co | 7,900 | $468.0K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 8,225 | $488.0K | 0.03% | +8,225 | New |
| Beaumont Financial Partners, LLC | 8,290 | $492.0K | 0.04% | −1,132−12.0% | Reduced |
| FDx Advisors, Inc. | 8,581 | $509.0K | 0.02% | −113−1.3% | Reduced |
| Abbot Financial Management, Inc. | 8,900 | $528.0K | 0.24% | 00.0% | Unchanged |
| Snowden Capital Advisors LLC | 8,982 | $532.6K | 0.03% | +115+1.3% | Added |
| Westpac Banking Corp | 9,015 | $534.6K | 0.01% | 00.0% | Unchanged |
| Nordea Investment Management AB | 9,138 | $553.0K | 0.00% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 9,340 | $554.0K | 0.00% | −919−9.0% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 9,424 | $558.0K | 0.05% | 00.0% | Unchanged |
| Telos Capital Management, Inc. | 9,600 | $569.0K | 0.08% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 9,615 | $570.0K | 0.01% | −1,278−11.7% | Reduced |
| Hillsdale Investment Management Inc. | 9,650 | $573.0K | 0.04% | +9,500+6,333.3% | Added |
| Logan Capital Management Inc | 9,700 | $575.0K | 0.03% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 9,887 | $586.0K | 0.01% | +9,887 | New |
| Ashfield Capital Partners, LLC | 9,964 | $591.0K | 0.04% | −560−5.3% | Reduced |
| RBF Capital, LLC | 10,000 | $593.0K | 0.03% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 10,016 | $594.0K | 0.03% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 10,033 | $595.0K | 0.00% | −40−0.4% | Reduced |
| Crawford Investment Counsel Inc | 10,120 | $600.0K | 0.01% | −120−1.2% | Reduced |
| Pacer Advisors, Inc. | 10,601 | $629.0K | 0.01% | −1,950−15.5% | Reduced |
| EagleClaw Capital Managment, LLC | 10,717 | $637.0K | 0.16% | +1,600+17.5% | Added |
| Northwest Investment Counselors, LLC | 10,789 | $640.0K | 0.18% | −270−2.4% | Reduced |
| Crossmark Global Holdings, Inc. | 10,830 | $642.0K | 0.02% | −100−0.9% | Reduced |
| Public Employees Retirement Association of Colorado | 10,923 | $648.0K | 0.00% | 00.0% | Unchanged |
| Baldwin Investment Management, LLC | 11,046 | $655.0K | 0.11% | −134−1.2% | Reduced |
| Commerce Bank | 11,146 | $661.0K | 0.00% | +1,105+11.0% | Added |
| Occudo Quantitative Strategies LP | 11,178 | $663.0K | 0.08% | +11,178 | New |
| DekaBank Deutsche Girozentrale | 11,038 | $665.0K | 0.00% | +190+1.8% | Added |
| Advisor Group Holdings, Inc. | 11,240 | $668.0K | 0.00% | +930+9.0% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 11,259 | $668.0K | 0.01% | +8,621+326.8% | Added |
| M&T Bank Corp | 11,549 | $685.0K | 0.00% | +154+1.4% | Added |