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 2024
Institutional positions in SEI Investments Co as of Dec 31, 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
- 540
- +45 vs. Q3 2024
- Shares held
- 91.2M
- +90.1K (+0.1%) vs. Q3 2024
- Total value
- $7.52B
- +$1.22B (+19.3%) vs. Q3 2024
- New holders
- 95
- 160 more added
- Sold out
- 50
- 186 more reduced
7 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BI Asset Management Fondsmaeglerselskab A/S | 26,382 | $2.18M | 0.02% | +8,450+47.1% | Added |
| Illinois Municipal Retirement Fund | 26,089 | $2.15M | 0.03% | 00.0% | Unchanged |
| JustInvest LLC | 26,079 | $2.15M | 0.03% | +2,886+12.4% | Added |
| Vident Advisory, LLC | 25,579 | $2.11M | 0.04% | +631+2.5% | Added |
| Credit Agricole S A | 25,570 | $2.11M | 0.01% | +19,932+353.5% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 25,385 | $2.10M | 0.01% | 00.0% | Unchanged |
| Bank of Nova Scotia | 25,385 | $2.09M | 0.00% | −144,030−85.0% | Reduced |
| State of Michigan Retirement System | 25,224 | $2.08M | 0.01% | −300−1.2% | Reduced |
| Worldquant Millennium Advisors LLC | 24,822 | $2.05M | 0.01% | −499−2.0% | Reduced |
| SG Americas Securities, LLC | 24,799 | $2.04M | 0.01% | +11,739+89.9% | Added |
| Susquehanna International Group, LLP | 23,298 | $1.92M | 0.00% | −16,202−41.0% | Reduced |
| Sterling Capital Management LLC | 23,207 | $1.91M | 0.03% | +798+3.6% | Added |
| Macquarie Group Ltd | 23,199 | $1.91M | 0.00% | +164+0.7% | Added |
| Handelsbanken Fonder AB | 22,700 | $1.87M | 0.01% | −4,200−15.6% | Reduced |
| Linden Thomas Advisory Services, LLC | 22,479 | $1.85M | 0.23% | −36−0.2% | Reduced |
| Churchill Management Corp | 22,039 | $1.82M | 0.02% | +22,039 | New |
| DnB Asset Management AS | 21,925 | $1.81M | 0.01% | +450+2.1% | Added |
| Cerity Partners LLC | 22,294 | $1.80M | 0.00% | +7,938+55.3% | Added |
| Northwestern Mutual Investment Management Company, LLC | 21,773 | $1.80M | 0.04% | −128−0.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 21,637 | $1.78M | 0.01% | −124−0.6% | Reduced |
| Schechter Investment Advisors, LLC | 21,334 | $1.76M | 0.13% | −753−3.4% | Reduced |
| British Columbia Investment Management Corp | 21,151 | $1.74M | 0.01% | +2,509+13.5% | Added |
| Ascent Group, LLC | 20,865 | $1.72M | 0.13% | +851+4.3% | Added |
| New Mexico Educational Retirement Board | 20,800 | $1.72M | 0.06% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 20,780 | $1.71M | 0.08% | +1,129+5.7% | Added |
| Davenport & Co LLC | 20,777 | $1.71M | 0.01% | +15+0.1% | Added |
| Oregon Public Employees Retirement Fund | 19,986 | $1.65M | 0.03% | −150−0.7% | Reduced |
| Aurora Investment Counsel | 19,747 | $1.63M | 0.89% | −5,415−21.5% | Reduced |
| Ameritas Investment Partners, Inc. | 19,623 | $1.62M | 0.05% | −630−3.1% | Reduced |
| Engineers Gate Manager LP | 19,199 | $1.58M | 0.03% | −21,200−52.5% | Reduced |
| Pensionfund Sabic | 19,000 | $1.57M | 0.41% | +3,000+18.8% | Added |
| Oliver Luxxe Assets LLC | 22,570 | $1.56M | 0.28% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 18,590 | $1.53M | 0.00% | −3,989−17.7% | Reduced |
| Oppenheimer Asset Management Inc. | 17,844 | $1.47M | 0.02% | −138−0.8% | Reduced |
| Brandes Investment Partners, LP | 17,610 | $1.45M | 0.02% | +1,772+11.2% | Added |
| Quest Partners LLC | 17,430 | $1.44M | 0.19% | −8,986−34.0% | Reduced |
| Portman Square Capital LLP | 17,408 | $1.44M | 0.28% | +7,140+69.5% | Added |
| Intech Investment Management LLC | 17,348 | $1.43M | 0.01% | +10,190+142.4% | Added |
| Xponance, Inc. | 17,337 | $1.43M | 0.01% | +911+5.5% | Added |
| Stifel Financial Corp | 17,307 | $1.43M | 0.00% | −17−0.1% | Reduced |
| Parallel Advisors, LLC | 17,261 | $1.42M | 0.03% | +158+0.9% | Added |
| Redwood Investment Management, LLC | 17,192 | $1.42M | 0.14% | +17,192 | New |
| Utah Retirement Systems | 16,774 | $1.38M | 0.02% | 00.0% | Unchanged |
| IFM Investors Pty Ltd | 16,391 | $1.35M | 0.01% | −1,121−6.4% | Reduced |
| Ashton Thomas Private Wealth, LLC | 15,875 | $1.32M | 0.05% | +1,464+10.2% | Added |
| Lafayette Investments, Inc. | 15,899 | $1.31M | 0.28% | −1,075−6.3% | Reduced |
| Voya Investment Management LLC | 15,859 | $1.31M | 0.00% | −416−2.6% | Reduced |
| Natixis | 15,748 | $1.30M | 0.01% | −3,541−18.4% | Reduced |
| Lazard Asset Management LLC | 15,318 | $1.26M | 0.00% | +4,532+42.0% | Added |
| Cresset Asset Management, LLC | 15,289 | $1.26M | 0.01% | −18,106−54.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 15,040 | $1.24M | 0.00% | +310+2.1% | Added |
| Clark Capital Management Group, Inc. | 15,012 | $1.24M | 0.01% | +15,012 | New |
| Swiss Life Asset Management Ltd | 14,736 | $1.21M | 0.01% | +5,828+65.4% | Added |
| Pacer Advisors, Inc. | 14,607 | $1.20M | 0.00% | −6,958−32.3% | Reduced |
| Gotham Asset Management, LLC | 14,555 | $1.20M | 0.01% | 00.0% | Unchanged |
| Donald L. Hagan, LLC | 14,474 | $1.19M | 0.62% | −866−5.6% | Reduced |
| Nissay Asset Management Corp | 13,915 | $1.16M | 0.01% | −191−1.4% | Reduced |
| Brinker Capital Investments, LLC | 14,009 | $1.16M | 0.01% | +14,009 | New |
| Orion Portfolio Solutions, LLC | 14,009 | $1.16M | 0.01% | +14,009 | New |
| Boston Financial Mangement LLC | 14,004 | $1.16M | 0.03% | +40.0% | Added |
| Elo Mutual Pension Insurance Co | 13,240 | $1.09M | 0.02% | +13,240 | New |
| DGS Capital Management, LLC | 13,213 | $1.09M | 0.27% | +1,695+14.7% | Added |
| 1832 Asset Management L.P. | 13,072 | $1.08M | 0.00% | −1,595−10.9% | Reduced |
| TD Waterhouse Canada Inc. | 13,019 | $1.07M | 0.01% | −3,963−23.3% | Reduced |
| Nomura Holdings Inc | 13,000 | $1.07M | 0.01% | +13,000 | New |
| CI Private Wealth, LLC | 12,603 | $1.04M | 0.00% | −4,446−26.1% | Reduced |
| Buckingham Strategic Partners | 12,360 | $1.02M | 0.02% | +12,360 | New |
| Campbell & CO Investment Adviser LLC | 12,136 | $1.00M | 0.08% | −9,095−42.8% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 11,722 | $966.8K | 0.04% | +1,961+20.1% | Added |
| HighTower Advisors, LLC | 11,513 | $949.6K | 0.00% | +574+5.2% | Added |
| Envestnet Portfolio Solutions, Inc. | 11,119 | $917.1K | 0.00% | +2,542+29.6% | Added |
| Verition Fund Management LLC | 11,097 | $915.3K | 0.00% | −100,001−90.0% | Reduced |
| Hillsdale Investment Management Inc. | 10,800 | $890.8K | 0.05% | +400+3.8% | Added |
| New York Life Investment Management LLC | 10,465 | $863.2K | 0.01% | +10,465 | New |
| BancorpSouth Bank | 10,430 | $860.3K | 0.06% | −77−0.7% | Reduced |
| Mackenzie Financial Corp | 10,166 | $838.5K | 0.00% | −926−8.3% | Reduced |
| National Bank of Canada | 10,162 | $838.2K | 0.00% | +7,193+242.3% | Added |
| Commerce Bank | 10,156 | $837.7K | 0.01% | −33−0.3% | Reduced |
| Creative Planning | 10,031 | $827.3K | 0.00% | +1,945+24.1% | Added |
| RBF Capital, LLC | 10,000 | $824.8K | 0.04% | 00.0% | Unchanged |
| Maltese Capital Management LLC | 10,000 | $824.8K | 0.13% | +10,000 | New |
| First Citizens Bank & Trust Co | 9,855 | $812.8K | 0.01% | +1,047+11.9% | Added |
| Logan Capital Management Inc | 9,700 | $800.1K | 0.03% | 00.0% | Unchanged |
| Patton Albertson Miller Group, LLC | 9,650 | $795.9K | 0.11% | 00.0% | Unchanged |
| Petrus Trust Company, LTA | 9,505 | $784.0K | 0.08% | −1,600−14.4% | Reduced |
| Patten & Patten Inc | 9,500 | $783.6K | 0.05% | 00.0% | Unchanged |
| Nordea Investment Management AB | 9,389 | $779.9K | 0.00% | +1,131+13.7% | Added |
| Bokf, NA | 9,739 | $769.4K | 0.01% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 9,197 | $758.6K | 0.00% | −453−4.7% | Reduced |
| Ghe, LLC | 9,126 | $753.0K | 0.30% | +183+2.0% | Added |
| CoreCap Advisors, LLC | 9,117 | $752.0K | 0.03% | +9,030+10,379.3% | Added |
| Wellington Shields & Co., LLC | 9,000 | $742.3K | 0.23% | 00.0% | Unchanged |
| Ontario Teachers Pension Plan Board | 8,955 | $738.6K | 0.01% | −2,606−22.5% | Reduced |
| Gulf International Bank (UK) Ltd | 8,836 | $728.0K | 0.02% | −239−2.6% | Reduced |
| Glenmede Trust Co NA | 8,630 | $711.8K | 0.00% | +159+1.9% | Added |
| United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund | 8,600 | $709.3K | 0.03% | +8,600 | New |
| South Dakota Investment Council | 8,528 | $703.0K | 0.01% | 00.0% | Unchanged |
| Nilsine Partners, LLC | 8,476 | $699.1K | 0.07% | −25−0.3% | Reduced |
| Tredje AP-fonden | 8,427 | $695.1K | 0.01% | −8,426−50.0% | Reduced |
| Mariner, LLC | 8,404 | $693.2K | 0.00% | +419+5.2% | Added |