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, Q1 2025
Institutional positions in SEI Investments Co as of Mar 31, 2025. 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
- 546
- +16 vs. Q4 2024
- Shares held
- 93.7M
- +2.84M (+3.1%) vs. Q4 2024
- Total value
- $7.27B
- −$226.7M (−3.0%) vs. Q4 2024
- New holders
- 68
- 192 more added
- Sold out
- 52
- 186 more reduced
10 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| LPL Financial LLC | 93,455 | $7.25M | 0.00% | +5,291+6.0% | Added |
| Great West Life Assurance Co | 90,538 | $7.03M | 0.01% | −9,187−9.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 90,118 | $7.00M | 0.05% | +48,231+115.1% | Added |
| State of Wisconsin Investment Board | 89,397 | $6.94M | 0.02% | +340+0.4% | Added |
| Zacks Investment Management | 89,116 | $6.92M | 0.06% | +3,009+3.5% | Added |
| Treasurer of the State of North Carolina | 87,547 | $6.80M | 0.03% | +43,610+99.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 86,951 | $6.75M | 0.01% | +15,207+21.2% | Added |
| BNP Paribas Arbitrage, SA | 86,862 | $6.74M | 0.01% | +12,098+16.2% | Added |
| Umb Bank N A | 82,279 | $6.39M | 0.11% | −27,998−25.4% | Reduced |
| Two Sigma Advisers, LP | 81,400 | $6.32M | 0.01% | +31,300+62.5% | Added |
| Manufacturers Life Insurance Company, The | 80,709 | $6.27M | 0.01% | −2,038−2.5% | Reduced |
| Andra AP-fonden | 79,100 | $6.14M | 0.10% | +700+0.9% | Added |
| Modera Wealth Management, LLC | 78,516 | $6.10M | 0.08% | −4,819−5.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 78,301 | $6.08M | 0.01% | +97+0.1% | Added |
| Chevy Chase Trust Holdings, Inc. | 77,943 | $6.05M | 0.02% | −234−0.3% | Reduced |
| Brandywine Global Investment Management, LLC | 76,723 | $5.96M | 0.04% | +8,843+13.0% | Added |
| Two Sigma Investments, LP | 75,694 | $5.88M | 0.01% | −103,654−57.8% | Reduced |
| Winton Group Ltd | 70,733 | $5.49M | 0.33% | +70,733 | New |
| BI Asset Management Fondsmaeglerselskab A/S | 70,272 | $5.46M | 0.06% | +43,890+166.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 70,396 | $5.43M | 0.02% | −13,751−16.3% | Reduced |
| RK Asset Management, LLC | 69,323 | $5.38M | 4.97% | −1,236−1.8% | Reduced |
| Union Heritage Capital, LLC | 68,700 | $5.33M | 1.99% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 68,515 | $5.32M | 0.00% | +4,626+7.2% | Added |
| Citigroup Inc | 66,984 | $5.20M | 0.00% | −26,115−28.1% | Reduced |
| Southernsun Asset Management, LLC | 66,836 | $5.19M | 0.75% | +187+0.3% | Added |
| Taylor Hoffman Capital Management LLC | 66,709 | $5.16M | 1.91% | +1,524+2.3% | Added |
| Ensign Peak Advisors, Inc | 63,437 | $4.92M | 0.01% | −6,190−8.9% | Reduced |
| Wells Fargo & Company | 63,164 | $4.90M | 0.00% | +19,661+45.2% | Added |
| Public Employees Retirement System of Ohio | 62,386 | $4.84M | 0.02% | −68−0.1% | Reduced |
| West Coast Financial LLC | 62,059 | $4.82M | 0.55% | −56,044−47.5% | Reduced |
| Portfolio Design Labs, LLC | 61,078 | $4.74M | 0.98% | +30,976+102.9% | Added |
| Van Eck Associates Corp | 60,925 | $4.73M | 0.01% | +1,600+2.7% | Added |
| Court Place Advisors, LLC | 58,095 | $4.51M | 1.50% | −146−0.3% | Reduced |
| HBK Sorce Advisory LLC | 57,992 | $4.50M | 0.13% | −32−0.1% | Reduced |
| Pictet Asset Management Holding SA | 57,780 | $4.49M | 0.00% | −1,200−2.0% | Reduced |
| APG Asset Management N.V. | 60,900 | $4.38M | 0.01% | −1,400−2.2% | Reduced |
| IFG Advisory, LLC | 55,949 | $4.34M | 0.24% | −1,501−2.6% | Reduced |
| CWM, LLC | 54,828 | $4.26M | 0.02% | +216+0.4% | Added |
| MetLife Investment Management | 53,593 | $4.16M | 0.02% | −1,668−3.0% | Reduced |
| Graham Capital Management, L.P. | 53,119 | $4.12M | 0.13% | +11,163+26.6% | Added |
| Nomura Asset Management Co Ltd | 51,459 | $3.99M | 0.01% | −350−0.7% | Reduced |
| Asset Management One Co.,Ltd. | 51,077 | $3.97M | 0.01% | +6,612+14.9% | Added |
| Prudential Financial Inc | 50,208 | $3.90M | 0.01% | −86,975−63.4% | Reduced |
| Mutual of America Capital Management LLC | 49,616 | $3.85M | 0.04% | −2,137−4.1% | Reduced |
| Pathstone Holdings, LLC | 49,243 | $3.82M | 0.02% | +14,195+40.5% | Added |
| Ascent Group, LLC | 49,106 | $3.81M | 0.16% | +28,241+135.4% | Added |
| Vinva Investment Management Ltd | 48,792 | $3.76M | 0.15% | −59,558−55.0% | Reduced |
| CIBC Asset Management Inc | 46,886 | $3.64M | 0.01% | −708−1.5% | Reduced |
| Amalgamated Bank | 46,375 | $3.60M | 0.03% | −2,692−5.5% | Reduced |
| Quantinno Capital Management LP | 45,943 | $3.57M | 0.02% | +17,987+64.3% | Added |
| New York State Common Retirement Fund | 45,554 | $3.54M | 0.01% | −175,700−79.4% | Reduced |
| TownSquare Capital, LLC | 44,112 | $3.42M | 0.04% | +10,138+29.8% | Added |
| Nisa Investment Advisors, LLC | 43,777 | $3.40M | 0.02% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 43,400 | $3.37M | 0.00% | +43,400 | New |
| Bokf, NA | 42,725 | $3.32M | 0.06% | +32,986+338.7% | Added |
| Henshaw Capital LLC | 42,594 | $3.31M | 0.15% | −462−1.1% | Reduced |
| PGGM Investments | 42,444 | $3.29M | 0.04% | 00.0% | Unchanged |
| SummitTX Capital, L.P. | 42,332 | $3.29M | 0.14% | +42,332 | New |
| Sanctuary Advisors, LLC | 41,497 | $3.22M | 0.02% | −5,873−12.4% | Reduced |
| Thrive Wealth Management, LLC | 41,119 | $3.19M | 0.61% | −1,188−2.8% | Reduced |
| State of Tennessee, Treasury Department | 40,498 | $3.14M | 0.01% | 00.0% | Unchanged |
| Atria Investments LLC | 40,315 | $3.13M | 0.04% | +4,267+11.8% | Added |
| Railway Pension Investments Ltd | 39,900 | $3.10M | 0.04% | 00.0% | Unchanged |
| Algert Global LLC | 38,744 | $3.01M | 0.07% | −13,037−25.2% | Reduced |
| Susquehanna Fundamental Investments, LLC | 38,443 | $2.98M | 0.05% | −46,161−54.6% | Reduced |
| Procyon Private Wealth Partners, LLC | 38,420 | $2.98M | 0.18% | +2,818+7.9% | Added |
| Kingsview Wealth Management, LLC | 37,946 | $2.95M | 0.06% | +37,946 | New |
| Wealth Alliance Advisory Group, LLC | 37,504 | $2.91M | 0.60% | 00.0% | Unchanged |
| Sepio Capital, LP | 37,141 | $2.88M | 0.23% | −776−2.0% | Reduced |
| US Bancorp | 36,771 | $2.85M | 0.00% | +262+0.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 36,245 | $2.81M | 0.03% | +336+0.9% | Added |
| Ingalls & Snyder LLC | 36,105 | $2.80M | 0.09% | −100−0.3% | Reduced |
| Diversified Trust Co | 36,009 | $2.80M | 0.07% | −45−0.1% | Reduced |
| NJ State Employees Deferred Compensation Plan | 35,400 | $2.75M | 0.35% | 00.0% | Unchanged |
| Lansforsakringar Fondforvaltning AB (publ) | 35,376 | $2.75M | 0.02% | 00.0% | Unchanged |
| Element Capital Management LLC | 34,813 | $2.70M | 0.67% | +34,813 | New |
| Yousif Capital Management, LLC | 34,586 | $2.68M | 0.03% | −1,369−3.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 34,109 | $2.65M | 0.01% | −2,128−5.9% | Reduced |
| Quest Partners LLC | 33,719 | $2.62M | 0.28% | +16,289+93.5% | Added |
| CBOE Vest Financial, LLC | 33,232 | $2.58M | 0.04% | +33,232 | New |
| Toronto Dominion Bank | 32,823 | $2.55M | 0.01% | +1,913+6.2% | Added |
| Resona Asset Management Co.,Ltd. | 32,265 | $2.50M | 0.01% | +1,046+3.4% | Added |
| Fieldview Capital Management, LLC | 32,182 | $2.50M | 0.35% | +32,182 | New |
| Arizona State Retirement System | 31,687 | $2.46M | 0.02% | −378−1.2% | Reduced |
| Mediolanum International Funds Ltd | 31,853 | $2.46M | 0.03% | +729+2.3% | Added |
| Teachers Retirement System of the State of Kentucky | 31,054 | $2.41M | 0.02% | 00.0% | Unchanged |
| Comerica Bank | 30,027 | $2.33M | 0.01% | −1,009−3.3% | Reduced |
| Maltese Capital Management LLC | 30,000 | $2.33M | 0.38% | +20,000+200.0% | Added |
| Handelsbanken Fonder AB | 29,900 | $2.32M | 0.01% | +7,200+31.7% | Added |
| STRS Ohio | 29,834 | $2.32M | 0.01% | +1,999+7.2% | Added |
| Johnson Investment Counsel Inc | 29,791 | $2.31M | 0.02% | −150−0.5% | Reduced |
| Worldquant Millennium Advisors LLC | 28,710 | $2.23M | 0.01% | +3,888+15.7% | Added |
| CWM Advisors, LLC | 28,100 | $2.18M | 0.26% | −3,568−11.3% | Reduced |
| Gries Financial LLC | 28,074 | $2.18M | 0.42% | −2,339−7.7% | Reduced |
| State of New Jersey Common Pension Fund D | 28,046 | $2.18M | 0.01% | −1,454−4.9% | Reduced |
| Bright Rock Capital Management, LLC | 27,600 | $2.14M | 0.45% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 27,360 | $2.12M | 0.00% | +8,770+47.2% | Added |
| Louisiana State Employees Retirement System | 27,000 | $2.10M | 0.04% | −200−0.7% | Reduced |
| Storebrand Asset Management AS | 26,904 | $2.09M | 0.01% | −34,326−56.1% | Reduced |
| Omers Administration Corp | 26,890 | $2.09M | 0.02% | −5,976−18.2% | Reduced |