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 2024
Institutional positions in SEI Investments Co as of Sep 30, 2024. 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
- 502
- +15 vs. Q2 2024
- Shares held
- 91.7M
- +10.4M (+12.7%) vs. Q2 2024
- Total value
- $6.35B
- +$1.08B (+20.6%) vs. Q2 2024
- New holders
- 50
- 172 more added
- Sold out
- 35
- 184 more reduced
6 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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 2024
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Trexquant Investment LP | 22,497 | $1.56M | 0.02% | −42,158−65.2% | Reduced |
| Sterling Capital Management LLC | 22,409 | $1.55M | 0.02% | +22,409 | New |
| Schechter Investment Advisors, LLC | 22,087 | $1.53M | 0.11% | −504−2.2% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 21,901 | $1.52M | 0.04% | −386−1.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 21,761 | $1.51M | 0.01% | −371−1.7% | Reduced |
| Pacer Advisors, Inc. | 21,565 | $1.49M | 0.00% | +24+0.1% | Added |
| Crestline Management, LP | 21,505 | $1.49M | 0.08% | +21,505 | New |
| DnB Asset Management AS | 21,475 | $1.49M | 0.01% | +3,876+22.0% | Added |
| Campbell & CO Investment Adviser LLC | 21,231 | $1.47M | 0.11% | −32,382−60.4% | Reduced |
| TrimTabs Asset Management, LLC | 20,827 | $1.44M | 0.33% | −5,970−22.3% | Reduced |
| New Mexico Educational Retirement Board | 20,800 | $1.44M | 0.05% | 00.0% | Unchanged |
| Davenport & Co LLC | 20,762 | $1.44M | 0.01% | −274−1.3% | Reduced |
| Mediolanum International Funds Ltd | 20,659 | $1.43M | 0.02% | +625+3.1% | Added |
| Ameritas Investment Partners, Inc. | 20,253 | $1.40M | 0.05% | −986−4.6% | Reduced |
| Oregon Public Employees Retirement Fund | 20,136 | $1.39M | 0.03% | −580−2.8% | Reduced |
| Ascent Group, LLC | 20,014 | $1.38M | 0.10% | +20,014 | New |
| Moors & Cabot, Inc. | 19,651 | $1.36M | 0.07% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 19,619 | $1.36M | 0.01% | −16,136−45.1% | Reduced |
| Natixis | 19,289 | $1.33M | 0.01% | −26,911−58.2% | Reduced |
| AlTi Global, Inc. | 19,001 | $1.31M | 0.03% | +480+2.6% | Added |
| Convergence Investment Partners, LLC | 18,730 | $1.30M | 0.35% | +459+2.5% | Added |
| British Columbia Investment Management Corp | 18,642 | $1.29M | 0.01% | −2,777−13.0% | Reduced |
| Oppenheimer Asset Management Inc. | 17,982 | $1.24M | 0.01% | +768+4.5% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 17,932 | $1.24M | 0.02% | +17,932 | New |
| Quantinno Capital Management LP | 17,591 | $1.22M | 0.02% | +6,364+56.7% | Added |
| IFM Investors Pty Ltd | 17,512 | $1.21M | 0.01% | −977−5.3% | Reduced |
| Stifel Financial Corp | 17,324 | $1.20M | 0.00% | −676−3.8% | Reduced |
| Parallel Advisors, LLC | 17,103 | $1.18M | 0.03% | −1,930−10.1% | Reduced |
| CI Private Wealth, LLC | 17,049 | $1.18M | 0.00% | +5,149+43.3% | Added |
| TD Waterhouse Canada Inc. | 16,982 | $1.18M | 0.01% | +1,411+9.1% | Added |
| Lafayette Investments, Inc. | 16,974 | $1.17M | 0.25% | −16−0.1% | Reduced |
| Tredje AP-fonden | 16,853 | $1.17M | 0.01% | 00.0% | Unchanged |
| Utah Retirement Systems | 16,774 | $1.16M | 0.01% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 16,548 | $1.14M | 0.06% | +13,321+412.8% | Added |
| Xponance, Inc. | 16,426 | $1.14M | 0.01% | +23+0.1% | Added |
| Voya Investment Management LLC | 16,275 | $1.13M | 0.00% | −2,516−13.4% | Reduced |
| Baird Financial Group, Inc. | 16,073 | $1.11M | 0.00% | −683−4.1% | Reduced |
| Pensionfund Sabic | 16,000 | $1.11M | 0.35% | −2,500−13.5% | Reduced |
| Brandes Investment Partners, LP | 15,838 | $1.10M | 0.01% | +2,028+14.7% | Added |
| Centiva Capital, LP | 15,479 | $1.07M | 0.05% | −13,439−46.5% | Reduced |
| Donald L. Hagan, LLC | 15,340 | $1.06M | 0.54% | −31−0.2% | Reduced |
| XTX Topco Ltd | 15,203 | $1.05M | 0.08% | −468−3.0% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 14,730 | $1.02M | 0.00% | −366−2.4% | Reduced |
| 1832 Asset Management L.P. | 14,667 | $1.01M | 0.00% | −584−3.8% | Reduced |
| Public Sector Pension Investment Board | 14,662 | $1.01M | 0.01% | 00.0% | Unchanged |
| Headlands Technologies LLC | 14,574 | $1.01M | 0.12% | +6,955+91.3% | Added |
| Gotham Asset Management, LLC | 14,555 | $1.01M | 0.01% | 00.0% | Unchanged |
| Ashton Thomas Private Wealth, LLC | 14,411 | $997.1K | 0.05% | −861−5.6% | Reduced |
| Cerity Partners LLC | 14,356 | $993.3K | 0.00% | −67−0.5% | Reduced |
| Nissay Asset Management Corp | 14,106 | $976.0K | 0.01% | +366+2.7% | Added |
| Boston Financial Mangement LLC | 14,000 | $968.7K | 0.03% | 00.0% | Unchanged |
| Railway Pension Investments Ltd | 13,200 | $913.3K | 0.01% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 13,060 | $904.0K | 0.00% | −9,101−41.1% | Reduced |
| Capital Fund Management S.A. | 12,600 | $871.8K | 0.01% | −20,277−61.7% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 11,820 | $817.8K | 0.15% | +11,820 | New |
| Ontario Teachers Pension Plan Board | 11,561 | $799.9K | 0.01% | 00.0% | Unchanged |
| DGS Capital Management, LLC | 11,518 | $796.9K | 0.22% | +1,448+14.4% | Added |
| Panagora Asset Management Inc | 11,137 | $770.6K | 0.00% | 00.0% | Unchanged |
| Petrus Trust Company, LTA | 11,105 | $768.4K | 0.07% | +4,998+81.8% | Added |
| Mackenzie Financial Corp | 11,092 | $767.5K | 0.00% | −756−6.4% | Reduced |
| HighTower Advisors, LLC | 10,939 | $761.0K | 0.00% | +425+4.0% | Added |
| Lazard Asset Management LLC | 10,786 | $745.0K | 0.00% | +5,990+124.9% | Added |
| BancorpSouth Bank | 10,507 | $727.0K | 0.05% | −185−1.7% | Reduced |
| Hillsdale Investment Management Inc. | 10,400 | $719.6K | 0.06% | +1,500+16.9% | Added |
| Ethic Inc. | 10,003 | $719.2K | 0.02% | +587+6.2% | Added |
| Portman Square Capital LLP | 10,268 | $710.4K | 0.24% | −9,979−49.3% | Reduced |
| Commerce Bank | 10,189 | $705.0K | 0.00% | 00.0% | Unchanged |
| First Hawaiian Bank | 10,136 | $701.3K | 0.02% | +10,136 | New |
| Inceptionr LLC | 10,020 | $693.3K | 0.17% | +10,020 | New |
| RBF Capital, LLC | 10,000 | $691.9K | 0.04% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 9,761 | $675.4K | 0.03% | −3,368−25.7% | Reduced |
| Bokf, NA | 9,739 | $675.3K | 0.01% | −2,344−19.4% | Reduced |
| Logan Capital Management Inc | 9,700 | $671.1K | 0.03% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 9,689 | $670.4K | 0.05% | +4,604+90.5% | Added |
| Federated Hermes, Inc. | 9,650 | $667.7K | 0.00% | −436−4.3% | Reduced |
| Patton Albertson Miller Group, LLC | 9,650 | $667.7K | 0.09% | 00.0% | Unchanged |
| Aviva PLC | 9,563 | $661.7K | 0.00% | −3,707−27.9% | Reduced |
| Patten & Patten Inc | 9,500 | $657.3K | 0.04% | 00.0% | Unchanged |
| Raymond James Trust N.A. | 9,282 | $642.2K | 0.01% | +343+3.8% | Added |
| Mercer Global Advisors Inc | 9,125 | $636.5K | 0.00% | +799+9.6% | Added |
| Gulf International Bank (UK) Ltd | 9,075 | $627.0K | 0.02% | −234−2.5% | Reduced |
| Wellington Shields & Co., LLC | 9,000 | $622.7K | 0.19% | 00.0% | Unchanged |
| Tandem Investment Advisors, Inc. | 8,987 | $622.0K | 0.02% | −424,091−97.9% | Reduced |
| NBC Securities, Inc. | 8,919 | $617.0K | 0.05% | −193−2.1% | Reduced |
| Swiss Life Asset Management Ltd | 8,908 | $615.7K | 0.01% | +8,908 | New |
| First Citizens Bank & Trust Co | 8,808 | $609.4K | 0.01% | +55+0.6% | Added |
| MQS Management LLC | 8,740 | $604.7K | 0.34% | −2,911−25.0% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 8,577 | $593.4K | 0.00% | +1,028+13.6% | Added |
| South Dakota Investment Council | 8,528 | $590.0K | 0.01% | −5,500−39.2% | Reduced |
| Nilsine Partners, LLC | 8,501 | $588.2K | 0.08% | −504−5.6% | Reduced |
| Glenmede Trust Co NA | 8,471 | $586.1K | 0.00% | −40.0% | Reduced |
| Valley National Advisers Inc | 8,458 | $585.0K | 0.11% | −4,450−34.5% | Reduced |
| Ghe, LLC | 8,943 | $583.0K | 0.22% | +510+6.0% | Added |
| Crossmark Global Holdings, Inc. | 8,399 | $581.0K | 0.01% | −11−0.1% | Reduced |
| Daiwa Securities Group Inc. | 8,400 | $581.0K | 0.00% | +600+7.7% | Added |
| Nordea Investment Management AB | 8,258 | $571.5K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 8,086 | $559.5K | 0.00% | +182+2.3% | Added |
| Mariner, LLC | 7,985 | $552.5K | 0.00% | +658+9.0% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 7,972 | $551.6K | 0.02% | −560−6.6% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 7,852 | $543.3K | 0.01% | 00.0% | Unchanged |