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, Q1 2022
Institutional positions in SEI Investments Co as of Mar 31, 2022. 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
- 465
- −3 vs. Q4 2021
- Shares held
- 96.4M
- −910.9K (−0.9%) vs. Q4 2021
- Total value
- $5.81B
- −$126.9M (−2.1%) vs. Q4 2021
- New holders
- 42
- 164 more added
- Sold out
- 45
- 159 more reduced
4 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ashfield Capital Partners, LLC | 9,964 | $600.0K | 0.04% | 00.0% | Unchanged |
| Prudential Financial Inc | 9,984 | $601.0K | 0.00% | −116,729−92.1% | Reduced |
| Wellington Shields & Co., LLC | 10,000 | $602.0K | 0.20% | −2,000−16.7% | Reduced |
| Interval Partners, LP | 10,058 | $606.0K | 0.05% | −21,591−68.2% | Reduced |
| Snowden Capital Advisors LLC | 10,139 | $610.0K | 0.02% | +5,175+104.3% | Added |
| RBF Capital, LLC | 10,000 | $613.0K | 0.04% | 00.0% | Unchanged |
| Citadel Advisors LLC | 10,407 | $627.0K | 0.00% | −49,632−82.7% | Reduced |
| EagleClaw Capital Managment, LLC | 10,477 | $631.0K | 0.14% | −240−2.2% | Reduced |
| Northwest Investment Counselors, LLC | 10,489 | $632.0K | 0.17% | −300−2.8% | Reduced |
| Commerce Bank | 10,664 | $642.0K | 0.00% | −722−6.3% | Reduced |
| DekaBank Deutsche Girozentrale | 10,515 | $655.0K | 0.00% | +1,828+21.0% | Added |
| Public Employees Retirement Association of Colorado | 10,923 | $658.0K | 0.00% | 00.0% | Unchanged |
| Crawford Investment Counsel Inc | 11,005 | $663.0K | 0.01% | +525+5.0% | Added |
| TD Waterhouse Canada Inc. | 10,570 | $672.3K | 0.01% | +441+4.4% | Added |
| Crossmark Global Holdings, Inc. | 11,230 | $676.0K | 0.02% | +110+1.0% | Added |
| BancorpSouth Bank | 11,339 | $683.0K | 0.09% | −461−3.9% | Reduced |
| Mirabella Financial Services LLP | 11,465 | $690.0K | 0.08% | +11,465 | New |
| Ossiam | 11,563 | $696.0K | 0.02% | +579+5.3% | Added |
| Xponance, Inc. | 11,672 | $703.0K | 0.01% | −253−2.1% | Reduced |
| Patton Albertson Miller Group, LLC | 11,800 | $710.0K | 0.12% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 12,473 | $751.0K | 0.00% | −5,168−29.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,540 | $755.0K | 0.00% | −1,598−11.3% | Reduced |
| Tudor Investment Corp Et Al | 13,072 | $787.0K | 0.02% | −24,762−65.4% | Reduced |
| Mackenzie Financial Corp | 13,337 | $803.0K | 0.00% | −682−4.9% | Reduced |
| Advisor Group Holdings, Inc. | 15,315 | $824.0K | 0.00% | +631+4.3% | Added |
| Jane Street Group, LLC | 14,041 | $845.0K | 0.00% | +6,028+75.2% | Added |
| Nissay Asset Management Corp | 14,403 | $867.0K | 0.01% | +95+0.7% | Added |
| Gotham Asset Management, LLC | 14,555 | $876.0K | 0.03% | +5,382+58.7% | Added |
| Allspring Global Investments Holdings, LLC | 14,703 | $885.0K | 0.00% | −90,611−86.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 14,705 | $885.0K | 0.01% | −1,000−6.4% | Reduced |
| Marshall Financial Group LLC | 14,883 | $896.0K | 0.37% | +66+0.4% | Added |
| Illinois Municipal Retirement Fund | 15,233 | $917.0K | 0.03% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 15,410 | $928.0K | 0.00% | +280+1.9% | Added |
| Van Eck Associates Corp | 15,420 | $928.0K | 0.00% | +1,514+10.9% | Added |
| M&T Bank Corp | 15,470 | $932.0K | 0.00% | +4,128+36.4% | Added |
| Franklin Resources Inc | 15,771 | $949.0K | 0.00% | −59,665−79.1% | Reduced |
| Boston Financial Mangement LLC | 15,900 | $957.0K | 0.04% | 00.0% | Unchanged |
| DnB Asset Management AS | 15,909 | $957.9K | 0.01% | +370+2.4% | Added |
| SG Americas Securities, LLC | 16,182 | $974.0K | 0.01% | −24,703−60.4% | Reduced |
| First Republic Investment Management, Inc. | 16,322 | $983.0K | 0.00% | +36+0.2% | Added |
| Unigestion Holding SA | 16,518 | $995.0K | 0.04% | 00.0% | Unchanged |
| Meristem Family Wealth, LLC | 16,877 | $1.02M | 0.11% | −60.0% | Reduced |
| Donald L. Hagan, LLC | 16,891 | $1.02M | 0.57% | +16,891 | New |
| Ontario Teachers Pension Plan Board | 17,262 | $1.04M | 0.01% | −5,492−24.1% | Reduced |
| Baker Tilly Wealth Management, LLC | 17,315 | $1.04M | 0.12% | +3,139+22.1% | Added |
| Ashton Thomas Private Wealth, LLC | 17,334 | $1.04M | 0.09% | +17,334 | New |
| Zeke Capital Advisors, LLC | 17,390 | $1.05M | 0.05% | +1,682+10.7% | Added |
| TrimTabs Asset Management, LLC | 17,400 | $1.05M | 0.35% | +453+2.7% | Added |
| Northwestern Mutual Investment Management Company, LLC | 17,476 | $1.05M | 0.02% | −93−0.5% | Reduced |
| Federated Hermes, Inc. | 17,808 | $1.07M | 0.00% | −391−2.1% | Reduced |
| Cypress Capital, LLC | 17,964 | $1.08M | 0.13% | 00.0% | Unchanged |
| Achmea Investment Management B.V. | 18,098 | $1.09M | 0.03% | +18,098 | New |
| Gould Capital, LLC | 18,128 | $1.09M | 0.78% | +976+5.7% | Added |
| APG Asset Management N.V. | 20,316 | $1.10M | 0.00% | −37,937−65.1% | Reduced |
| British Columbia Investment Management Corp | 18,302 | $1.10M | 0.01% | −2,847−13.5% | Reduced |
| Engineers Gate Manager LP | 18,689 | $1.13M | 0.04% | +6,055+47.9% | Added |
| Winton Group Ltd | 18,778 | $1.13M | 0.06% | +261+1.4% | Added |
| Valley National Advisers Inc | 18,818 | $1.13M | 0.22% | +15,459+460.2% | Added |
| Utah Retirement Systems | 19,074 | $1.15M | 0.02% | −500−2.6% | Reduced |
| Panagora Asset Management Inc | 19,113 | $1.15M | 0.01% | +1,943+11.3% | Added |
| Gulf International Bank (UK) Ltd | 19,343 | $1.16M | 0.02% | 00.0% | Unchanged |
| FDx Advisors, Inc. | 19,392 | $1.17M | 0.04% | +2,117+12.3% | Added |
| Moors & Cabot, Inc. | 19,546 | $1.18M | 0.07% | 00.0% | Unchanged |
| Elo Mutual Pension Insurance Co | 19,551 | $1.18M | 0.03% | +19,551 | New |
| IFM Investors Pty Ltd | 19,795 | $1.19M | 0.02% | +5,652+40.0% | Added |
| Tiedemann Advisors, LLC | 20,069 | $1.21M | 0.06% | +47+0.2% | Added |
| Trexquant Investment LP | 20,279 | $1.22M | 0.06% | −6,134−23.2% | Reduced |
| Globeflex Capital L P | 20,540 | $1.24M | 0.25% | 00.0% | Unchanged |
| Lafayette Investments, Inc. | 20,776 | $1.25M | 0.31% | +718+3.6% | Added |
| Davenport & Co LLC | 20,959 | $1.26M | 0.01% | −75−0.4% | Reduced |
| Prudential PLC | 20,957 | $1.26M | 0.02% | +3,267+18.5% | Added |
| Arnhold LLC | 21,045 | $1.27M | 0.14% | 00.0% | Unchanged |
| AlphaCrest Capital Management LLC | 21,265 | $1.28M | 0.07% | −14,501−40.5% | Reduced |
| Acadian Asset Management LLC | 21,481 | $1.29M | 0.01% | −46,676−68.5% | Reduced |
| Bridgewater Associates, LP | 21,697 | $1.31M | 0.01% | −5,448−20.1% | Reduced |
| Aurora Investment Counsel | 21,833 | $1.31M | 0.84% | −147−0.7% | Reduced |
| Tower Research Capital LLC (TRC) | 22,001 | $1.32M | 0.01% | +8,439+62.2% | Added |
| New Mexico Educational Retirement Board | 22,100 | $1.33M | 0.05% | 00.0% | Unchanged |
| American Century Companies Inc | 22,215 | $1.34M | 0.00% | +3,666+19.8% | Added |
| Macquarie Group Ltd | 22,310 | $1.34M | 0.00% | 00.0% | Unchanged |
| Oliver Luxxe Assets LLC | 22,570 | $1.36M | 0.34% | 00.0% | Unchanged |
| Skandinaviska Enskilda Banken AB (publ) | 23,000 | $1.39M | 0.01% | 00.0% | Unchanged |
| Prana Capital Management, LP | 23,000 | $1.39M | 0.11% | +23,000 | New |
| Schechter Investment Advisors, LLC | 23,078 | $1.39M | 0.13% | +312+1.4% | Added |
| Two Sigma Advisers, LP | 23,100 | $1.39M | 0.00% | +2,200+10.5% | Added |
| Banque Pictet & Cie SA | 23,355 | $1.41M | 0.01% | −18,216−43.8% | Reduced |
| Renaissance Technologies LLC | 23,700 | $1.43M | 0.00% | −86,526−78.5% | Reduced |
| Morris Capital Advisors, LLC | 25,801 | $1.55M | 1.21% | 00.0% | Unchanged |
| Toroso Investments, LLC | 26,916 | $1.62M | 0.05% | +29+0.1% | Added |
| Louisiana State Employees Retirement System | 27,600 | $1.64M | 0.04% | +300+1.1% | Added |
| Bright Rock Capital Management, LLC | 27,600 | $1.66M | 0.39% | 00.0% | Unchanged |
| Pensionfund Sabic | 28,000 | $1.69M | 0.42% | −4,000−12.5% | Reduced |
| Westwood Holdings Group Inc. | 28,054 | $1.69M | 0.02% | −2,544−8.3% | Reduced |
| Gries Financial LLC | 28,401 | $1.71M | 0.63% | +28,401 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 28,480 | $1.72M | 0.01% | −884−3.0% | Reduced |
| Nomura Asset Management Co Ltd | 28,503 | $1.72M | 0.01% | +407+1.4% | Added |
| Raymond James Financial Services Advisors, Inc. | 28,662 | $1.73M | 0.00% | +42+0.1% | Added |
| Handelsbanken Fonder AB | 31,091 | $1.87M | 0.01% | −7,165−18.7% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 31,697 | $1.91M | 0.10% | +31,697 | New |
| Russell Investments Group, Ltd. | 32,188 | $1.95M | 0.00% | −90,495−73.8% | Reduced |