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 11 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 2023
Institutional positions in SEI Investments Co as of Sep 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
- 462
- +7 vs. Q2 2023
- Shares held
- 93.4M
- +292.8K (+0.3%) vs. Q2 2023
- Total value
- $5.63B
- +$106.9M (+1.9%) vs. Q2 2023
- New holders
- 47
- 152 more added
- Sold out
- 40
- 165 more reduced
3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oliver Luxxe Assets LLC | 22,570 | $1.36M | 0.35% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 22,560 | $1.36M | 0.05% | −2,740−10.8% | Reduced |
| IFM Investors Pty Ltd | 22,353 | $1.35M | 0.02% | +1,992+9.8% | Added |
| Northwestern Mutual Investment Management Company, LLC | 22,309 | $1.34M | 0.04% | −206−0.9% | Reduced |
| Dark Forest Capital Management LP | 21,975 | $1.32M | 0.11% | +394+1.8% | Added |
| Edgestream Partners, L.P. | 21,469 | $1.29M | 0.10% | +21,469 | New |
| Neuberger Berman Group LLC | 21,189 | $1.28M | 0.00% | +1,295+6.5% | Added |
| Davenport & Co LLC | 21,040 | $1.27M | 0.01% | −50.0% | Reduced |
| Quantinno Capital Management LP | 20,973 | $1.26M | 0.06% | +16,768+398.8% | Added |
| New Mexico Educational Retirement Board | 20,800 | $1.25M | 0.05% | 00.0% | Unchanged |
| Pensionfund Sabic | 20,500 | $1.24M | 0.43% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 20,370 | $1.23M | 0.01% | −28,603−58.4% | Reduced |
| Captrust Financial Advisors | 20,340 | $1.23M | 0.00% | −614−2.9% | Reduced |
| Canada Pension Plan Investment Board | 20,000 | $1.20M | 0.00% | −4,600−18.7% | Reduced |
| DnB Asset Management AS | 19,906 | $1.20M | 0.01% | +3,804+23.6% | Added |
| Moors & Cabot, Inc. | 19,871 | $1.20M | 0.08% | +400+2.1% | Added |
| Y-Intercept (Hong Kong) Ltd | 19,794 | $1.19M | 0.12% | −2,025−9.3% | Reduced |
| Standard Life Aberdeen plc | 19,333 | $1.16M | 0.00% | −758−3.8% | Reduced |
| Baird Financial Group, Inc. | 18,949 | $1.14M | 0.00% | +2,661+16.3% | Added |
| Panagora Asset Management Inc | 18,748 | $1.13M | 0.01% | 00.0% | Unchanged |
| Tredje AP-fonden | 18,707 | $1.13M | 0.02% | −2,168−10.4% | Reduced |
| Cresset Asset Management, LLC | 18,599 | $1.12M | 0.01% | +1,311+7.6% | Added |
| Tiedemann Advisors, LLC | 18,521 | $1.12M | 0.05% | 00.0% | Unchanged |
| Davis R M Inc | 18,486 | $1.11M | 0.03% | −18,812−50.4% | Reduced |
| Lafayette Investments, Inc. | 18,447 | $1.11M | 0.30% | −100−0.5% | Reduced |
| Natixis | 18,415 | $1.11M | 0.01% | +18,112+5,977.6% | Added |
| Donald L. Hagan, LLC | 18,178 | $1.09M | 0.66% | −543−2.9% | Reduced |
| Ashton Thomas Private Wealth, LLC | 17,881 | $1.08M | 0.08% | +64+0.4% | Added |
| Nilsine Partners, LLC | 17,764 | $1.07M | 0.16% | −2,013−10.2% | Reduced |
| Gotham Asset Management, LLC | 17,609 | $1.06M | 0.02% | −3,470−16.5% | Reduced |
| Utah Retirement Systems | 17,574 | $1.06M | 0.02% | 00.0% | Unchanged |
| AE Wealth Management LLC | 17,387 | $1.05M | 0.01% | +2,348+15.6% | Added |
| Wealth Enhancement Advisory Services, LLC | 16,818 | $1.01M | 0.00% | +16,818 | New |
| Oppenheimer Asset Management Inc. | 16,769 | $1.01M | 0.02% | −559−3.2% | Reduced |
| 1832 Asset Management L.P. | 16,756 | $1.01M | 0.00% | −523−3.0% | Reduced |
| Holocene Advisors, LP | 16,754 | $1.01M | 0.00% | +16,754 | New |
| Boston Financial Mangement LLC | 15,900 | $957.7K | 0.04% | 00.0% | Unchanged |
| JustInvest LLC | 15,618 | $940.7K | 0.03% | +3,389+27.7% | Added |
| Earnest Partners LLC | 15,405 | $927.8K | 0.01% | +15,363+36,578.6% | Added |
| Valley National Advisers Inc | 15,254 | $919.0K | 0.16% | −2,282−13.0% | Reduced |
| AIA Group Ltd | 14,575 | $877.9K | 0.04% | −18,690−56.2% | Reduced |
| Gould Capital, LLC | 14,744 | $872.4K | 0.70% | +195+1.3% | Added |
| Public Sector Pension Investment Board | 14,104 | $849.5K | 0.01% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 13,872 | $835.5K | 0.01% | +4,442+47.1% | Added |
| Diversified Trust Co | 13,833 | $833.2K | 0.03% | +6,383+85.7% | Added |
| Aviva PLC | 13,686 | $824.3K | 0.00% | −14,417−51.3% | Reduced |
| Oak Thistle LLC | 13,682 | $824.1K | 0.24% | +13,682 | New |
| M&T Bank Corp | 12,919 | $778.1K | 0.00% | −149−1.1% | Reduced |
| Nissay Asset Management Corp | 12,877 | $775.6K | 0.01% | +211+1.7% | Added |
| Federated Hermes, Inc. | 12,710 | $765.5K | 0.00% | −996−7.3% | Reduced |
| True Wealth Design, LLC | 12,638 | $761.2K | 0.25% | −270−2.1% | Reduced |
| Xponance, Inc. | 12,597 | $758.7K | 0.01% | +110+0.9% | Added |
| Intech Investment Management LLC | 12,309 | $741.4K | 0.01% | +4,051+49.1% | Added |
| TD Waterhouse Canada Inc. | 11,452 | $726.8K | 0.01% | +450+4.1% | Added |
| Pacer Advisors, Inc. | 11,998 | $722.6K | 0.00% | −5,802−32.6% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 11,866 | $714.7K | 0.05% | +275+2.4% | Added |
| New York Life Investment Management LLC | 11,682 | $703.6K | 0.01% | +6,179+112.3% | Added |
| Verition Fund Management LLC | 11,588 | $697.9K | 0.01% | +5,138+79.7% | Added |
| TrimTabs Asset Management, LLC | 11,493 | $692.2K | 0.37% | −313−2.7% | Reduced |
| Parallel Advisors, LLC | 11,023 | $664.0K | 0.02% | +1,360+14.1% | Added |
| SG Americas Securities, LLC | 10,985 | $662.0K | 0.01% | −13,496−55.1% | Reduced |
| Gulf International Bank (UK) Ltd | 10,821 | $651.0K | 0.02% | −1,100−9.2% | Reduced |
| Commerce Bank | 10,681 | $643.3K | 0.01% | 00.0% | Unchanged |
| Northwest Investment Counselors, LLC | 10,626 | $640.0K | 0.18% | −328−3.0% | Reduced |
| BancorpSouth Bank | 10,623 | $639.8K | 0.06% | 00.0% | Unchanged |
| First Republic Investment Management, Inc. | 10,510 | $633.0K | 0.00% | −791−7.0% | Reduced |
| Cerity Partners LLC | 10,319 | $621.5K | 0.00% | −373−3.5% | Reduced |
| British Columbia Investment Management Corp | 10,270 | $618.6K | 0.01% | 00.0% | Unchanged |
| RBF Capital, LLC | 10,000 | $602.3K | 0.04% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 10,555 | $602.1K | 0.00% | −4,897−31.7% | Reduced |
| Patton Albertson Miller Group, LLC | 9,950 | $599.3K | 0.12% | 00.0% | Unchanged |
| Logan Capital Management Inc | 9,700 | $584.2K | 0.03% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 9,500 | $572.2K | 0.05% | +1,600+20.3% | Added |
| Patten & Patten Inc | 9,500 | $572.2K | 0.05% | +9,500 | New |
| Crossmark Global Holdings, Inc. | 9,725 | $563.0K | 0.01% | −242−2.4% | Reduced |
| NBC Securities, Inc. | 9,255 | $557.0K | 0.06% | +9,255 | New |
| HighTower Advisors, LLC | 9,302 | $554.0K | 0.00% | +909+10.8% | Added |
| Creative Planning | 9,168 | $552.2K | 0.00% | +2,051+28.8% | Added |
| Wellington Shields & Co., LLC | 9,000 | $542.1K | 0.14% | 00.0% | Unchanged |
| Caxton Associates LP | 8,935 | $538.2K | 0.08% | 00.0% | Unchanged |
| Raymond James Trust N.A. | 8,826 | $531.6K | 0.02% | −141−1.6% | Reduced |
| Nordea Investment Management AB | 8,604 | $524.6K | 0.00% | −780−8.3% | Reduced |
| Janus Henderson Group PLC | 8,694 | $523.5K | 0.00% | −5,718−39.7% | Reduced |
| CI Private Wealth, LLC | 8,637 | $520.2K | 0.00% | +8,637 | New |
| Securian Asset Management, Inc | 8,520 | $513.2K | 0.02% | −505−5.6% | Reduced |
| Baker Tilly Wealth Management, LLC | 8,511 | $512.6K | 0.08% | −17,640−67.5% | Reduced |
| DekaBank Deutsche Girozentrale | 8,425 | $508.0K | 0.00% | +143+1.7% | Added |
| Engineers Gate Manager LP | 8,397 | $505.8K | 0.02% | −7,393−46.8% | Reduced |
| Ghe, LLC | 8,345 | $503.0K | 0.34% | +143+1.7% | Added |
| Fiera Capital Corp | 8,215 | $494.8K | 0.00% | +215+2.7% | Added |
| Fisher Asset Management, LLC | 8,148 | $490.8K | 0.00% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 8,132 | $489.8K | 0.01% | 00.0% | Unchanged |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 7,903 | $476.0K | 0.01% | −28−0.4% | Reduced |
| Mariner, LLC | 7,828 | $471.5K | 0.00% | +313+4.2% | Added |
| Versor Investments LP | 7,782 | $468.7K | 0.09% | −4,849−38.4% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 7,625 | $459.3K | 0.03% | 00.0% | Unchanged |
| Pathstone Family Office, LLC | 7,450 | $448.7K | 0.00% | +7,450 | New |
| Stifel Financial Corp | 7,324 | $441.1K | 0.00% | +1,671+29.6% | Added |
| Aquatic Capital Management LLC | 7,300 | $440.0K | 0.02% | −9,000−55.2% | Reduced |
| Fayez Sarofim & Co | 7,300 | $439.7K | 0.00% | 00.0% | Unchanged |