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, Q4 2021
Institutional positions in SEI Investments Co as of Dec 31, 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
- 472
- +30 vs. Q3 2021
- Shares held
- 97.5M
- +862.3K (+0.9%) vs. Q3 2021
- Total value
- $5.94B
- +$212.5M (+3.7%) vs. Q3 2021
- New holders
- 68
- 142 more added
- Sold out
- 38
- 160 more reduced
4 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tiedemann Advisors, LLC | 20,022 | $1.23M | 0.06% | 00.0% | Unchanged |
| Lafayette Investments, Inc. | 20,058 | $1.22M | 0.31% | +609+3.1% | Added |
| Stifel Financial Corp | 19,971 | $1.22M | 0.00% | +783+4.1% | Added |
| Utah Retirement Systems | 19,574 | $1.19M | 0.01% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 19,546 | $1.19M | 0.07% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 19,343 | $1.18M | 0.02% | −4,537−19.0% | Reduced |
| Metropolitan Life Insurance Co | 18,979 | $1.16M | 0.02% | −615−3.1% | Reduced |
| American Century Companies Inc | 18,549 | $1.13M | 0.00% | +2,428+15.1% | Added |
| Winton Group Ltd | 18,517 | $1.13M | 0.07% | +6,496+54.0% | Added |
| Federated Hermes, Inc. | 18,199 | $1.11M | 0.00% | −796−4.2% | Reduced |
| Cypress Capital, LLC | 17,964 | $1.09M | 0.12% | 00.0% | Unchanged |
| Voya Investment Management LLC | 17,830 | $1.09M | 0.00% | −49,967−73.7% | Reduced |
| Paloma Partners Management Co | 17,770 | $1.08M | 0.03% | +17,770 | New |
| Prudential PLC | 17,690 | $1.08M | 0.01% | −2,169−10.9% | Reduced |
| Susquehanna International Group, LLP | 17,641 | $1.07M | 0.00% | +1,183+7.2% | Added |
| Northwestern Mutual Investment Management Company, LLC | 17,569 | $1.07M | 0.02% | −143−0.8% | Reduced |
| Banque Cantonale Vaudoise | 17,516 | $1.07M | 0.04% | +7,500+74.9% | Added |
| FDx Advisors, Inc. | 17,275 | $1.05M | 0.03% | +8,694+101.3% | Added |
| Panagora Asset Management Inc | 17,170 | $1.05M | 0.01% | −5,114−22.9% | Reduced |
| Gould Capital, LLC | 17,152 | $1.04M | 0.73% | +17,152 | New |
| TrimTabs Asset Management, LLC | 16,947 | $1.03M | 0.51% | +16,947 | New |
| Meristem Family Wealth, LLC | 16,883 | $1.03M | 0.09% | 00.0% | Unchanged |
| Unigestion Holding SA | 16,518 | $1.01M | 0.04% | −3,980−19.4% | Reduced |
| Creative Planning | 16,373 | $998.0K | 0.00% | −428−2.5% | Reduced |
| First Republic Investment Management, Inc. | 16,286 | $992.0K | 0.00% | +41+0.3% | Added |
| ExodusPoint Capital Management, LP | 16,234 | $989.0K | 0.01% | −35,541−68.6% | Reduced |
| Boston Financial Mangement LLC | 15,900 | $969.0K | 0.04% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 15,705 | $957.0K | 0.01% | −600−3.7% | Reduced |
| Zeke Capital Advisors, LLC | 15,708 | $957.0K | 0.06% | +1,713+12.2% | Added |
| DnB Asset Management AS | 15,539 | $946.9K | 0.01% | +184+1.2% | Added |
| Illinois Municipal Retirement Fund | 15,233 | $928.0K | 0.03% | +3,411+28.9% | Added |
| Baird Financial Group, Inc. | 15,130 | $922.0K | 0.00% | −1,440−8.7% | Reduced |
| Marshall Financial Group LLC | 14,817 | $903.0K | 0.33% | +2,970+25.1% | Added |
| Advisor Group Holdings, Inc. | 14,684 | $894.0K | 0.00% | +3,444+30.6% | Added |
| Salem Investment Counselors Inc | 14,608 | $890.0K | 0.03% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 14,540 | $886.0K | 0.10% | +8,900+157.8% | Added |
| Nissay Asset Management Corp | 14,308 | $872.0K | 0.01% | +280+2.0% | Added |
| Baker Tilly Wealth Management, LLC | 14,176 | $864.0K | 0.09% | +2,281+19.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,138 | $862.0K | 0.00% | −13,948−49.7% | Reduced |
| IFM Investors Pty Ltd | 14,143 | $862.0K | 0.02% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 14,019 | $854.0K | 0.00% | +1,628+13.1% | Added |
| Van Eck Associates Corp | 13,906 | $847.0K | 0.00% | +596+4.5% | Added |
| Tower Research Capital LLC (TRC) | 13,562 | $827.0K | 0.01% | +10,165+299.2% | Added |
| Engineers Gate Manager LP | 12,634 | $770.0K | 0.03% | +4,409+53.6% | Added |
| King Luther Capital Management Corp | 12,518 | $763.0K | 0.00% | −12,900−50.8% | Reduced |
| Korea Investment CORP | 12,300 | $750.0K | 0.00% | −8,500−40.9% | Reduced |
| Wellington Shields & Co., LLC | 12,000 | $731.0K | 0.15% | 00.0% | Unchanged |
| Xponance, Inc. | 11,925 | $727.0K | 0.01% | −240−2.0% | Reduced |
| Patton Albertson Miller Group, LLC | 11,800 | $719.0K | 0.12% | 00.0% | Unchanged |
| BancorpSouth Bank | 11,800 | $719.0K | 0.09% | +11+0.1% | Added |
| Jump Financial, LLC | 11,445 | $698.0K | 0.04% | +11,445 | New |
| Commerce Bank | 11,386 | $694.0K | 0.00% | +240+2.2% | Added |
| M&T Bank Corp | 11,342 | $691.0K | 0.00% | −207−1.8% | Reduced |
| Crossmark Global Holdings, Inc. | 11,120 | $678.0K | 0.01% | +290+2.7% | Added |
| Ossiam | 10,984 | $669.0K | 0.02% | +10,984 | New |
| Sciencast Management LP | 10,557 | $667.0K | 0.12% | +10,557 | New |
| Public Employees Retirement Association of Colorado | 10,923 | $666.0K | 0.00% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 10,890 | $664.0K | 0.06% | −288−2.6% | Reduced |
| Northwest Investment Counselors, LLC | 10,789 | $657.0K | 0.16% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 10,129 | $656.7K | 0.01% | +10,129 | New |
| Pacer Advisors, Inc. | 10,730 | $654.0K | 0.01% | +129+1.2% | Added |
| EagleClaw Capital Managment, LLC | 10,717 | $653.0K | 0.14% | 00.0% | Unchanged |
| Crawford Investment Counsel Inc | 10,480 | $639.0K | 0.01% | +360+3.6% | Added |
| Baldwin Investment Management, LLC | 10,346 | $630.0K | 0.16% | −700−6.3% | Reduced |
| RBF Capital, LLC | 10,000 | $609.0K | 0.04% | 00.0% | Unchanged |
| Ashfield Capital Partners, LLC | 9,964 | $607.0K | 0.04% | 00.0% | Unchanged |
| Oak Thistle LLC | 9,911 | $604.0K | 0.47% | +9,911 | New |
| Logan Capital Management Inc | 9,700 | $591.0K | 0.03% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 9,708 | $591.0K | 0.00% | +368+3.9% | Added |
| Forsta Ap-Fonden | 9,700 | $591.0K | 0.01% | +9,700 | New |
| Telos Capital Management, Inc. | 9,600 | $585.0K | 0.07% | 00.0% | Unchanged |
| Securian Asset Management, Inc | 9,492 | $578.0K | 0.01% | −123−1.3% | Reduced |
| Westpac Banking Corp | 9,467 | $576.9K | 0.01% | +452+5.0% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 9,424 | $573.0K | 0.05% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 9,392 | $572.0K | 0.00% | −641−6.4% | Reduced |
| Nordea Investment Management AB | 9,138 | $560.0K | 0.00% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 9,173 | $559.0K | 0.02% | +9,173 | New |
| Hillsdale Investment Management Inc. | 9,150 | $558.0K | 0.04% | −500−5.2% | Reduced |
| Quadrature Capital Ltd | 9,157 | $558.0K | 0.03% | +4,871+113.6% | Added |
| Abbot Financial Management, Inc. | 8,900 | $542.0K | 0.24% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 8,687 | $537.0K | 0.00% | −2,351−21.3% | Reduced |
| Point72 Hong Kong Ltd | 8,766 | $534.0K | 0.04% | +8,766 | New |
| Jane Street Group, LLC | 8,013 | $488.0K | 0.00% | −11,561−59.1% | Reduced |
| Haverford Trust Co | 7,870 | $480.0K | 0.01% | 00.0% | Unchanged |
| Beaumont Financial Partners, LLC | 7,590 | $463.0K | 0.03% | −700−8.4% | Reduced |
| Raymond James Trust N.A. | 7,512 | $458.0K | 0.01% | −198−2.6% | Reduced |
| Maryland State Retirement & Pension System | 7,488 | $456.0K | 0.01% | 00.0% | Unchanged |
| Ghe, LLC | 7,360 | $449.0K | 0.34% | +7,360 | New |
| Fayez Sarofim & Co | 7,300 | $445.0K | 0.00% | −600−7.6% | Reduced |
| Prelude Capital Management, LLC | 7,242 | $441.0K | 0.02% | +7,242 | New |
| Legacy Wealth Asset Management, LLC | 7,207 | $439.0K | 0.15% | +106+1.5% | Added |
| Front Street Capital Management, Inc. | 7,105 | $433.0K | 0.08% | −106−1.5% | Reduced |
| Mercer Global Advisors Inc | 7,046 | $429.0K | 0.00% | +1,330+23.3% | Added |
| Vestmark Advisory Solutions, Inc. | 7,009 | $427.0K | 0.02% | +1,061+17.8% | Added |
| Bailey Value Limited Partnership | 7,000 | $426.0K | 0.48% | +7,000 | New |
| AXA S.A. | 6,850 | $417.0K | 0.00% | +6,850 | New |
| Segall Bryant & Hamill, LLC | 6,732 | $410.0K | 0.00% | −24−0.4% | Reduced |
| GW Henssler & Associates Ltd | 6,495 | $396.0K | 0.03% | +6,495 | New |
| CIBC Asset Management Inc | 6,364 | $388.0K | 0.00% | +627+10.9% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 6,280 | $383.0K | 0.00% | −12,877−67.2% | Reduced |