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 |
|---|---|---|---|---|---|
| Bank of Montreal | 85,137 | $5.23M | 0.00% | −8,152−8.7% | Reduced |
| Banco Santander, S.A. | 83,090 | $5.06M | 0.03% | +6,000+7.8% | Added |
| The PNC Financial Services Group, Inc. | 82,499 | $5.03M | 0.00% | +55,258+202.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 82,036 | $5.00M | 0.01% | −2,931−3.4% | Reduced |
| South Dakota Investment Council | 81,981 | $5.00M | 0.08% | 00.0% | Unchanged |
| Amalgamated Bank | 79,411 | $4.84M | 0.04% | +2,665+3.5% | Added |
| D. E. Shaw & Co., Inc. | 79,139 | $4.82M | 0.01% | −38,297−32.6% | Reduced |
| State of Tennessee, Treasury Department | 78,820 | $4.80M | 0.02% | 00.0% | Unchanged |
| Texas Permanent School Fund | 76,746 | $4.68M | 0.06% | −2,567−3.2% | Reduced |
| Franklin Resources Inc | 75,436 | $4.60M | 0.00% | +38,744+105.6% | Added |
| Sepio Capital, LP | 73,504 | $4.48M | 0.34% | −2,396−3.2% | Reduced |
| Aviva PLC | 72,767 | $4.43M | 0.02% | +10,658+17.2% | Added |
| Holocene Advisors, LP | 70,920 | $4.32M | 0.02% | −5,046−6.6% | Reduced |
| Acadian Asset Management LLC | 68,157 | $4.15M | 0.02% | +28,396+71.4% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 66,736 | $4.07M | 0.04% | −14,300−17.6% | Reduced |
| RK Asset Management, LLC | 63,754 | $3.88M | 3.43% | −2,271−3.4% | Reduced |
| Cubist Systematic Strategies, LLC | 62,951 | $3.84M | 0.04% | −28,789−31.4% | Reduced |
| State of New Jersey Common Pension Fund D | 62,820 | $3.83M | 0.01% | +2,314+3.8% | Added |
| Union Heritage Capital, LLC | 61,550 | $3.75M | 1.76% | 00.0% | Unchanged |
| Verition Fund Management LLC | 60,572 | $3.69M | 0.05% | +60,572 | New |
| Ingalls & Snyder LLC | 60,295 | $3.67M | 0.17% | −125−0.2% | Reduced |
| Citadel Advisors LLC | 60,039 | $3.66M | 0.00% | −2,362−3.8% | Reduced |
| Public Employees Retirement System of Ohio | 59,018 | $3.60M | 0.01% | −2,668−4.3% | Reduced |
| Squarepoint Ops LLC | 58,564 | $3.57M | 0.02% | +19,078+48.3% | Added |
| Yousif Capital Management, LLC | 57,356 | $3.50M | 0.04% | +57,356 | New |
| Putnam Investments LLC | 56,582 | $3.45M | 0.00% | −3,813−6.3% | Reduced |
| Rafferty Asset Management, LLC | 56,371 | $3.44M | 0.02% | +4,412+8.5% | Added |
| Taylor Hoffman Wealth Management | 53,776 | $3.28M | 1.25% | +4,059+8.2% | Added |
| Asset Management One Co.,Ltd. | 52,594 | $3.24M | 0.01% | −5,810−9.9% | Reduced |
| O'Shares Investment Advisers, LLC | 52,669 | $3.21M | 0.23% | +1,560+3.1% | Added |
| LPL Financial LLC | 52,070 | $3.17M | 0.00% | +1,698+3.4% | Added |
| Parsec Financial Management, Inc. | 51,763 | $3.15M | 0.13% | −440−0.8% | Reduced |
| MetLife Investment Management | 51,361 | $3.13M | 0.03% | −147−0.3% | Reduced |
| APG Asset Management N.V. | 58,253 | $3.12M | 0.01% | −5,700−8.9% | Reduced |
| CIBC Private Wealth Group, LLC | 50,943 | $3.10M | 0.01% | −427−0.8% | Reduced |
| State of Alaska, Department of Revenue | 50,681 | $3.09M | 0.03% | +17,304+51.8% | Added |
| Oregon Public Employees Retirement Fund | 49,720 | $3.03M | 0.03% | −6,851−12.1% | Reduced |
| HBK Sorce Advisory LLC | 47,903 | $2.92M | 0.15% | +10.0% | Added |
| Comerica Bank | 49,884 | $2.89M | 0.02% | +176+0.4% | Added |
| Price T Rowe Associates Inc | 46,938 | $2.86M | 0.00% | −5,969−11.3% | Reduced |
| West Coast Financial LLC | 46,307 | $2.82M | 0.40% | +140+0.3% | Added |
| Nisa Investment Advisors, LLC | 45,950 | $2.69M | 0.02% | −700−1.5% | Reduced |
| Pictet Asset Management SA | 43,502 | $2.65M | 0.00% | −8,050−15.6% | Reduced |
| NN Investment Partners Holdings N.V. | 43,100 | $2.63M | 0.01% | +43,100 | New |
| Oppenheimer Asset Management Inc. | 42,093 | $2.56M | 0.03% | −168−0.4% | Reduced |
| Banque Pictet & Cie SA | 41,571 | $2.53M | 0.02% | +41,571 | New |
| Henshaw Capital LLC | 41,254 | $2.51M | 0.14% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 40,885 | $2.49M | 0.02% | +17,105+71.9% | Added |
| Johnson Investment Counsel Inc | 40,100 | $2.46M | 0.03% | +9,370+30.5% | Added |
| Ameritas Investment Partners, Inc. | 39,936 | $2.43M | 0.08% | +555+1.4% | Added |
| Glenmede Trust Co NA | 39,029 | $2.38M | 0.01% | −15,831−28.9% | Reduced |
| Treasurer of the State of North Carolina | 38,738 | $2.36M | 0.01% | −230−0.6% | Reduced |
| Handelsbanken Fonder AB | 38,256 | $2.33M | 0.01% | −2,006−5.0% | Reduced |
| Tudor Investment Corp Et Al | 37,834 | $2.31M | 0.04% | −27,387−42.0% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 37,766 | $2.30M | 0.01% | +37,766 | New |
| Wealth Alliance Advisory Group, LLC | 37,504 | $2.29M | 0.99% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 37,120 | $2.28M | 0.02% | −1,335−3.5% | Reduced |
| Monument Capital Management | 37,201 | $2.27M | 0.70% | +37,201 | New |
| AlphaCrest Capital Management LLC | 35,766 | $2.18M | 0.08% | +13,573+61.2% | Added |
| Atria Investments LLC | 35,583 | $2.17M | 0.04% | +1,498+4.4% | Added |
| NJ State Employees Deferred Compensation Plan | 35,400 | $2.16M | 0.27% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 35,139 | $2.14M | 0.02% | −283−0.8% | Reduced |
| Courant Investment Management LLC | 34,707 | $2.12M | 1.71% | 00.0% | Unchanged |
| State of Michigan Retirement System | 34,337 | $2.09M | 0.01% | +3,636+11.8% | Added |
| IFG Advisory, LLC | 33,985 | $2.07M | 0.20% | −250−0.7% | Reduced |
| Natixis | 33,182 | $2.02M | 0.01% | +33,182 | New |
| Arizona State Retirement System | 32,649 | $1.99M | 0.02% | −1,417−4.2% | Reduced |
| HighTower Advisors, LLC | 32,068 | $1.95M | 0.00% | +24,285+312.0% | Added |
| Pensionfund Sabic | 32,000 | $1.95M | 0.37% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 31,700 | $1.93M | 0.00% | −20,487−39.3% | Reduced |
| Interval Partners, LP | 31,649 | $1.93M | 0.13% | −15,628−33.1% | Reduced |
| Pinebridge Investments, L.P. | 31,281 | $1.91M | 0.02% | +31,281 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 31,131 | $1.90M | 0.00% | +31,000+23,664.1% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 30,892 | $1.88M | 0.01% | +8,575+38.4% | Added |
| Westwood Holdings Group Inc. | 30,598 | $1.86M | 0.02% | +12,629+70.3% | Added |
| Royal London Asset Management Ltd | 30,470 | $1.86M | 0.01% | −6,162−16.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 29,364 | $1.80M | 0.01% | +2,742+10.3% | Added |
| Raymond James Financial Services Advisors, Inc. | 28,620 | $1.74M | 0.00% | +701+2.5% | Added |
| Nomura Asset Management Co Ltd | 28,096 | $1.71M | 0.01% | 00.0% | Unchanged |
| Bright Rock Capital Management, LLC | 27,600 | $1.68M | 0.38% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 27,300 | $1.66M | 0.04% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 27,145 | $1.65M | 0.01% | −31,237−53.5% | Reduced |
| USS Investment Management Ltd | 26,941 | $1.64M | 0.01% | 00.0% | Unchanged |
| Toroso Investments, LLC | 26,887 | $1.64M | 0.05% | +2,973+12.4% | Added |
| Trexquant Investment LP | 26,413 | $1.61M | 0.10% | +20,540+349.7% | Added |
| Moody Aldrich Partners LLC | 26,193 | $1.60M | 0.22% | 00.0% | Unchanged |
| Morris Capital Advisors, LLC | 25,801 | $1.57M | 1.16% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 24,239 | $1.48M | 0.19% | −751−3.0% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 23,000 | $1.41M | 0.01% | 00.0% | Unchanged |
| Schechter Investment Advisors, LLC | 22,766 | $1.39M | 0.13% | +22,766 | New |
| Ontario Teachers Pension Plan Board | 22,754 | $1.39M | 0.02% | +5,685+33.3% | Added |
| Oliver Luxxe Assets LLC | 22,570 | $1.38M | 0.35% | 00.0% | Unchanged |
| Macquarie Group Ltd | 22,310 | $1.36M | 0.00% | −7,707−25.7% | Reduced |
| New Mexico Educational Retirement Board | 22,100 | $1.35M | 0.05% | 00.0% | Unchanged |
| Aurora Investment Counsel | 21,980 | $1.34M | 0.80% | +7,785+54.8% | Added |
| British Columbia Investment Management Corp | 21,149 | $1.29M | 0.01% | −1,351−6.0% | Reduced |
| Arnhold LLC | 21,045 | $1.28M | 0.15% | 00.0% | Unchanged |
| Davenport & Co LLC | 21,034 | $1.28M | 0.01% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 20,900 | $1.27M | 0.00% | +9,300+80.2% | Added |
| Globeflex Capital L P | 20,540 | $1.25M | 0.26% | −31−0.2% | Reduced |