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, 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 |
|---|---|---|---|---|---|
| Telos Capital Management, Inc. | 9,600 | $585.0K | 0.07% | 00.0% | Unchanged |
| 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 |
| Oak Thistle LLC | 9,911 | $604.0K | 0.47% | +9,911 | New |
| Ashfield Capital Partners, LLC | 9,964 | $607.0K | 0.04% | 00.0% | Unchanged |
| RBF Capital, LLC | 10,000 | $609.0K | 0.04% | 00.0% | Unchanged |
| Baldwin Investment Management, LLC | 10,346 | $630.0K | 0.16% | −700−6.3% | Reduced |
| Crawford Investment Counsel Inc | 10,480 | $639.0K | 0.01% | +360+3.6% | Added |
| EagleClaw Capital Managment, LLC | 10,717 | $653.0K | 0.14% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 10,730 | $654.0K | 0.01% | +129+1.2% | Added |
| TD Waterhouse Canada Inc. | 10,129 | $656.7K | 0.01% | +10,129 | New |
| Northwest Investment Counselors, LLC | 10,789 | $657.0K | 0.16% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 10,890 | $664.0K | 0.06% | −288−2.6% | Reduced |
| Public Employees Retirement Association of Colorado | 10,923 | $666.0K | 0.00% | 00.0% | Unchanged |
| Sciencast Management LP | 10,557 | $667.0K | 0.12% | +10,557 | New |
| Ossiam | 10,984 | $669.0K | 0.02% | +10,984 | New |
| Crossmark Global Holdings, Inc. | 11,120 | $678.0K | 0.01% | +290+2.7% | Added |
| M&T Bank Corp | 11,342 | $691.0K | 0.00% | −207−1.8% | Reduced |
| Commerce Bank | 11,386 | $694.0K | 0.00% | +240+2.2% | Added |
| Jump Financial, LLC | 11,445 | $698.0K | 0.04% | +11,445 | New |
| 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 |
| Xponance, Inc. | 11,925 | $727.0K | 0.01% | −240−2.0% | Reduced |
| Wellington Shields & Co., LLC | 12,000 | $731.0K | 0.15% | 00.0% | Unchanged |
| Korea Investment CORP | 12,300 | $750.0K | 0.00% | −8,500−40.9% | Reduced |
| King Luther Capital Management Corp | 12,518 | $763.0K | 0.00% | −12,900−50.8% | Reduced |
| Engineers Gate Manager LP | 12,634 | $770.0K | 0.03% | +4,409+53.6% | Added |
| Tower Research Capital LLC (TRC) | 13,562 | $827.0K | 0.01% | +10,165+299.2% | Added |
| Van Eck Associates Corp | 13,906 | $847.0K | 0.00% | +596+4.5% | Added |
| Mackenzie Financial Corp | 14,019 | $854.0K | 0.00% | +1,628+13.1% | 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 |
| Baker Tilly Wealth Management, LLC | 14,176 | $864.0K | 0.09% | +2,281+19.2% | Added |
| Nissay Asset Management Corp | 14,308 | $872.0K | 0.01% | +280+2.0% | Added |
| Dynamic Technology Lab Private Ltd | 14,540 | $886.0K | 0.10% | +8,900+157.8% | Added |
| Salem Investment Counselors Inc | 14,608 | $890.0K | 0.03% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 14,684 | $894.0K | 0.00% | +3,444+30.6% | Added |
| Marshall Financial Group LLC | 14,817 | $903.0K | 0.33% | +2,970+25.1% | Added |
| Baird Financial Group, Inc. | 15,130 | $922.0K | 0.00% | −1,440−8.7% | Reduced |
| Illinois Municipal Retirement Fund | 15,233 | $928.0K | 0.03% | +3,411+28.9% | Added |
| DnB Asset Management AS | 15,539 | $946.9K | 0.01% | +184+1.2% | Added |
| 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 |
| Boston Financial Mangement LLC | 15,900 | $969.0K | 0.04% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 16,234 | $989.0K | 0.01% | −35,541−68.6% | Reduced |
| First Republic Investment Management, Inc. | 16,286 | $992.0K | 0.00% | +41+0.3% | Added |
| Creative Planning | 16,373 | $998.0K | 0.00% | −428−2.5% | Reduced |
| Unigestion Holding SA | 16,518 | $1.01M | 0.04% | −3,980−19.4% | Reduced |
| Meristem Family Wealth, LLC | 16,883 | $1.03M | 0.09% | 00.0% | Unchanged |
| TrimTabs Asset Management, LLC | 16,947 | $1.03M | 0.51% | +16,947 | New |
| Gould Capital, LLC | 17,152 | $1.04M | 0.73% | +17,152 | New |
| Panagora Asset Management Inc | 17,170 | $1.05M | 0.01% | −5,114−22.9% | Reduced |
| FDx Advisors, Inc. | 17,275 | $1.05M | 0.03% | +8,694+101.3% | Added |
| Banque Cantonale Vaudoise | 17,516 | $1.07M | 0.04% | +7,500+74.9% | Added |
| Northwestern Mutual Investment Management Company, LLC | 17,569 | $1.07M | 0.02% | −143−0.8% | Reduced |
| Susquehanna International Group, LLP | 17,641 | $1.07M | 0.00% | +1,183+7.2% | Added |
| Prudential PLC | 17,690 | $1.08M | 0.01% | −2,169−10.9% | Reduced |
| Paloma Partners Management Co | 17,770 | $1.08M | 0.03% | +17,770 | New |
| Voya Investment Management LLC | 17,830 | $1.09M | 0.00% | −49,967−73.7% | Reduced |
| Cypress Capital, LLC | 17,964 | $1.09M | 0.12% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 18,199 | $1.11M | 0.00% | −796−4.2% | Reduced |
| Winton Group Ltd | 18,517 | $1.13M | 0.07% | +6,496+54.0% | Added |
| American Century Companies Inc | 18,549 | $1.13M | 0.00% | +2,428+15.1% | Added |
| Metropolitan Life Insurance Co | 18,979 | $1.16M | 0.02% | −615−3.1% | Reduced |
| Gulf International Bank (UK) Ltd | 19,343 | $1.18M | 0.02% | −4,537−19.0% | Reduced |
| Moors & Cabot, Inc. | 19,546 | $1.19M | 0.07% | 00.0% | Unchanged |
| Utah Retirement Systems | 19,574 | $1.19M | 0.01% | 00.0% | Unchanged |
| Stifel Financial Corp | 19,971 | $1.22M | 0.00% | +783+4.1% | Added |
| Lafayette Investments, Inc. | 20,058 | $1.22M | 0.31% | +609+3.1% | Added |
| Tiedemann Advisors, LLC | 20,022 | $1.23M | 0.06% | 00.0% | Unchanged |
| Globeflex Capital L P | 20,540 | $1.25M | 0.26% | −31−0.2% | Reduced |
| Two Sigma Advisers, LP | 20,900 | $1.27M | 0.00% | +9,300+80.2% | Added |
| Arnhold LLC | 21,045 | $1.28M | 0.15% | 00.0% | Unchanged |
| Davenport & Co LLC | 21,034 | $1.28M | 0.01% | 00.0% | Unchanged |
| British Columbia Investment Management Corp | 21,149 | $1.29M | 0.01% | −1,351−6.0% | Reduced |
| Aurora Investment Counsel | 21,980 | $1.34M | 0.80% | +7,785+54.8% | Added |
| New Mexico Educational Retirement Board | 22,100 | $1.35M | 0.05% | 00.0% | Unchanged |
| Macquarie Group Ltd | 22,310 | $1.36M | 0.00% | −7,707−25.7% | Reduced |
| Oliver Luxxe Assets LLC | 22,570 | $1.38M | 0.35% | 00.0% | Unchanged |
| Ontario Teachers Pension Plan Board | 22,754 | $1.39M | 0.02% | +5,685+33.3% | Added |
| Schechter Investment Advisors, LLC | 22,766 | $1.39M | 0.13% | +22,766 | New |
| Skandinaviska Enskilda Banken AB (publ) | 23,000 | $1.41M | 0.01% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 24,239 | $1.48M | 0.19% | −751−3.0% | Reduced |
| Morris Capital Advisors, LLC | 25,801 | $1.57M | 1.16% | 00.0% | Unchanged |
| Moody Aldrich Partners LLC | 26,193 | $1.60M | 0.22% | 00.0% | Unchanged |
| Trexquant Investment LP | 26,413 | $1.61M | 0.10% | +20,540+349.7% | Added |
| Toroso Investments, LLC | 26,887 | $1.64M | 0.05% | +2,973+12.4% | Added |
| USS Investment Management Ltd | 26,941 | $1.64M | 0.01% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 27,145 | $1.65M | 0.01% | −31,237−53.5% | Reduced |
| Louisiana State Employees Retirement System | 27,300 | $1.66M | 0.04% | 00.0% | Unchanged |
| Bright Rock Capital Management, LLC | 27,600 | $1.68M | 0.38% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 28,096 | $1.71M | 0.01% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 28,620 | $1.74M | 0.00% | +701+2.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 29,364 | $1.80M | 0.01% | +2,742+10.3% | Added |
| Royal London Asset Management Ltd | 30,470 | $1.86M | 0.01% | −6,162−16.8% | Reduced |
| Westwood Holdings Group Inc. | 30,598 | $1.86M | 0.02% | +12,629+70.3% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 30,892 | $1.88M | 0.01% | +8,575+38.4% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 31,131 | $1.90M | 0.00% | +31,000+23,664.1% | Added |
| Pinebridge Investments, L.P. | 31,281 | $1.91M | 0.02% | +31,281 | New |