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 |
|---|---|---|---|---|---|
| Loomis Sayles & Co L P | 12,723,177 | $766.1M | 1.02% | −448,160−3.4% | Reduced |
| Vanguard Group Inc | 12,009,242 | $723.1M | 0.02% | −56,613−0.5% | Reduced |
| BlackRock Inc. | 11,645,954 | $701.2M | 0.02% | +260,417+2.3% | Added |
| State Street Corp | 6,143,049 | $369.9M | 0.02% | +452,434+8.0% | Added |
| Atlanta Capital Management Co L L C | 5,981,635 | $360.2M | 1.33% | −337,407−5.3% | Reduced |
| Beutel, Goodman & Co Ltd. | 3,792,881 | $228.4M | 1.29% | +968,459+34.3% | Added |
| Bank of America Corp | 3,608,412 | $217.3M | 0.02% | −86,505−2.3% | Reduced |
| Great West Life Assurance Co | 2,020,748 | $128.3M | 0.27% | +40,984+2.1% | Added |
| Geode Capital Management, LLC | 1,796,224 | $108.0M | 0.01% | −147,585−7.6% | Reduced |
| First Trust Advisors LP | 1,418,169 | $85.4M | 0.09% | +41,915+3.0% | Added |
| Royce & Associates LP | 1,387,594 | $83.5M | 0.71% | +8,286+0.6% | Added |
| Bank of New York Mellon Corp | 1,229,388 | $74.0M | 0.01% | +31,845+2.7% | Added |
| Northern Trust Corp | 1,155,674 | $69.6M | 0.01% | −19,819−1.7% | Reduced |
| Boston Trust Walden Corp | 1,139,330 | $68.6M | 0.57% | +143,693+14.4% | Added |
| Ameriprise Financial Inc | 1,105,341 | $66.4M | 0.02% | +42,107+4.0% | Added |
| Dimensional Fund Advisors LP | 1,096,139 | $66.0M | 0.02% | +12,447+1.1% | Added |
| Schroder Investment Management Group | 972,164 | $59.6M | 0.08% | −122,551−11.2% | Reduced |
| Legal & General Group Plc | 936,090 | $56.4M | 0.02% | +61,406+7.0% | Added |
| Natixis Advisors, L.P. | 813,858 | $49.0M | 0.19% | −37,196−4.4% | Reduced |
| Norges Bank | 759,001 | $45.7M | 0.01% | −207,498−21.5% | Reduced |
| American Capital Management Inc | 706,322 | $42.5M | 1.25% | −48,616−6.4% | Reduced |
| Goldman Sachs Group Inc | 675,312 | $40.7M | 0.01% | −79,221−10.5% | Reduced |
| Millennium Management LLC | 615,533 | $37.1M | 0.05% | −380,168−38.2% | Reduced |
| Charles Schwab Investment Management Inc | 603,946 | $36.4M | 0.01% | +18,969+3.2% | Added |
| AQR Capital Management LLC | 574,872 | $34.6M | 0.07% | −130,824−18.5% | Reduced |
| Ceredex Value Advisors LLC | 497,000 | $29.9M | 0.36% | +497,000 | New |
| UBS Asset Management Americas Inc | 490,839 | $29.6M | 0.01% | −15,674−3.1% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 445,200 | $26.8M | 0.32% | +14,000+3.2% | Added |
| Parametric Portfolio Associates LLC | 444,370 | $26.8M | 0.01% | +20,063+4.7% | Added |
| Brown Advisory Inc | 433,860 | $26.1M | 0.04% | −182,960−29.7% | Reduced |
| JPMorgan Chase & Co | 408,652 | $24.6M | 0.00% | +145,432+55.3% | Added |
| ProShare Advisors LLC | 399,213 | $24.0M | 0.05% | +56,138+16.4% | Added |
| Principal Financial Group Inc | 371,703 | $22.4M | 0.01% | −5,042−1.3% | Reduced |
| PGGM Investments | 346,225 | $21.1M | 0.11% | 00.0% | Unchanged |
| Raymond James & Associates | 347,417 | $20.9M | 0.02% | +33,489+10.7% | Added |
| Goodnow Investment Group, LLC | 333,355 | $20.1M | 2.12% | +2,440+0.7% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 327,344 | $19.7M | 0.01% | −13,963−4.1% | Reduced |
| Man Group plc | 323,886 | $19.5M | 0.07% | −39,623−10.9% | Reduced |
| Morgan Stanley | 315,121 | $19.0M | 0.00% | +30,714+10.8% | Added |
| Eaton Vance Management | 314,602 | $18.9M | 0.02% | +23,811+8.2% | Added |
| Nuveen Asset Management, LLC | 308,471 | $18.6M | 0.01% | +2,820+0.9% | Added |
| Royal Bank of Canada | 306,221 | $18.4M | 0.00% | +103,523+51.1% | Added |
| Rhumbline Advisers | 305,738 | $18.4M | 0.02% | −6,674−2.1% | Reduced |
| JLB & Associates Inc | 292,904 | $17.6M | 2.64% | +2,686+0.9% | Added |
| Invesco Ltd. | 287,119 | $17.3M | 0.00% | −220,051−43.4% | Reduced |
| Retirement Systems of Alabama | 284,761 | $17.1M | 0.06% | −18,423−6.1% | Reduced |
| Reinhart Partners, Inc. | 278,230 | $16.8M | 0.81% | −1,392−0.5% | Reduced |
| Hendershot Investments Inc. | 264,734 | $15.9M | 2.44% | +13,479+5.4% | Added |
| New York State Common Retirement Fund | 255,522 | $15.4M | 0.02% | +506+0.2% | Added |
| AustralianSuper Pty Ltd | 250,324 | $15.1M | 0.09% | +77,751+45.1% | Added |
| Victory Capital Management Inc | 251,454 | $14.0M | 0.01% | +60,271+31.5% | Added |
| Thrivent Financial for Lutherans | 230,951 | $13.9M | 0.03% | −450−0.2% | Reduced |
| Envestnet Asset Management Inc | 229,692 | $13.8M | 0.01% | +9,201+4.2% | Added |
| UBS Group AG | 224,651 | $13.5M | 0.01% | −80,902−26.5% | Reduced |
| Crestwood Advisors Group LLC | 223,353 | $13.4M | 0.38% | 00.0% | Unchanged |
| Truist Financial Corp | 206,693 | $12.4M | 0.02% | +2,370+1.2% | Added |
| FMR LLC | 205,481 | $12.4M | 0.00% | +3,215+1.6% | Added |
| California Public Employees Retirement System | 204,695 | $12.3M | 0.01% | −23,244−10.2% | Reduced |
| Voloridge Investment Management, LLC | 197,966 | $11.9M | 0.07% | +70,414+55.2% | Added |
| California State Teachers Retirement System | 184,833 | $11.1M | 0.01% | −13,501−6.8% | Reduced |
| River Road Asset Management, LLC | 181,365 | $10.9M | 0.12% | +181,365 | New |
| American International Group, Inc. | 178,267 | $10.7M | 0.06% | −975−0.5% | Reduced |
| Hahn Capital Management LLC | 175,729 | $10.6M | 2.28% | −6,433−3.5% | Reduced |
| Davis R M Inc | 172,520 | $10.4M | 0.25% | −54,776−24.1% | Reduced |
| Alliancebernstein L.P. | 170,657 | $10.3M | 0.00% | −25,965−13.2% | Reduced |
| HSBC Holdings PLC | 168,589 | $10.2M | 0.01% | −31,353−15.7% | Reduced |
| Credit Suisse AG | 161,336 | $9.71M | 0.01% | −25,658−13.7% | Reduced |
| TD Asset Management Inc | 161,146 | $9.70M | 0.01% | +28,429+21.4% | Added |
| Teacher Retirement System of Texas | 160,543 | $9.67M | 0.05% | +47,546+42.1% | Added |
| Amundi | 162,096 | $9.43M | 0.01% | +31,670+24.3% | Added |
| State Board of Administration of Florida Retirement System | 154,022 | $9.27M | 0.02% | −3,218−2.0% | Reduced |
| Worldquant Millennium Advisors LLC | 150,710 | $9.07M | 0.22% | −13,938−8.5% | Reduced |
| Wells Fargo & Company | 146,040 | $8.79M | 0.00% | −61,987−29.8% | Reduced |
| Deutsche Bank AG | 145,376 | $8.75M | 0.00% | +4,332+3.1% | Added |
| New York State Teachers Retirement System | 145,007 | $8.73M | 0.02% | +2,100+1.5% | Added |
| Korea Investment CORP | 143,400 | $8.63M | 0.02% | +131,100+1,065.9% | Added |
| Citigroup Inc | 139,897 | $8.42M | 0.01% | −31,881−18.6% | Reduced |
| Janney Montgomery Scott LLC | 137,647 | $8.29M | 0.04% | +6,197+4.7% | Added |
| KBC Group NV | 136,461 | $8.22M | 0.03% | −43,081−24.0% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 117,082 | $7.05M | 0.03% | −82,079−41.2% | Reduced |
| RSM US Wealth Management LLC | 115,753 | $6.97M | 0.35% | 00.0% | Unchanged |
| Southernsun Asset Management, LLC | 109,568 | $6.60M | 0.71% | +550+0.5% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 109,547 | $6.60M | 0.06% | +42,811+64.1% | Added |
| Toronto Dominion Bank | 107,552 | $6.48M | 0.01% | +9,045+9.2% | Added |
| Brandywine Global Investment Management, LLC | 106,762 | $6.43M | 0.05% | −5,500−4.9% | Reduced |
| Bank of Montreal | 100,910 | $6.23M | 0.00% | +15,773+18.5% | Added |
| Banco Santander, S.A. | 102,630 | $6.18M | 0.07% | +19,540+23.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 99,696 | $6.00M | 0.01% | −2,626−2.6% | Reduced |
| Mutual of America Capital Management LLC | 95,948 | $5.78M | 0.06% | +1,148+1.2% | Added |
| Holocene Advisors, LP | 93,482 | $5.63M | 0.03% | +22,562+31.8% | Added |
| Manufacturers Life Insurance Company, The | 90,569 | $5.45M | 0.00% | −29,951−24.9% | Reduced |
| Thrive Wealth Management, LLC | 90,224 | $5.43M | 1.61% | +215+0.2% | Added |
| Barclays PLC | 90,145 | $5.43M | 0.00% | −55,999−38.3% | Reduced |
| BNP Paribas Arbitrage, SA | 87,782 | $5.29M | 0.01% | −14,866−14.5% | Reduced |
| Voya Investment Management LLC | 87,791 | $5.29M | 0.01% | +69,961+392.4% | Added |
| State of Wisconsin Investment Board | 86,117 | $5.18M | 0.01% | −26,925−23.8% | Reduced |
| Court Place Advisors, LLC | 81,111 | $4.88M | 1.58% | −6,737−7.7% | Reduced |
| State of Tennessee, Treasury Department | 78,820 | $4.75M | 0.02% | 00.0% | Unchanged |
| Amalgamated Bank | 76,519 | $4.61M | 0.04% | −2,892−3.6% | Reduced |
| Amalgamated Financial Corp. | 76,519 | $4.61M | 0.04% | +76,519 | New |