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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 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.

Institutional holdersQ1 2022: 465 institutions
Q1 2021: 443 institutionsQ2 2021: 440 institutionsQ3 2021: 446 institutionsQ4 2021: 472 institutionsQ1 2022: 465 institutionsQ2 2022: 456 institutionsQ3 2022: 433 institutionsQ4 2022: 446 institutionsQ1 2023: 444 institutionsQ2 2023: 458 institutionsQ3 2023: 462 institutionsQ4 2023: 491 institutionsQ1 2024: 475 institutionsQ2 2024: 493 institutionsQ3 2024: 502 institutionsQ4 2024: 540 institutionsQ1 2025: 546 institutionsQ2 2025: 564 institutionsQ3 2025: 550 institutionsQ4 2025: 562 institutionsQ1 2026: 569 institutionsQ2 2026: 575 institutions
Value heldQ1 2022: $5.81B
Q1 2021: $5.97BQ2 2021: $6.04BQ3 2021: $5.73BQ4 2021: $5.94BQ1 2022: $5.81BQ2 2022: $5.18BQ3 2022: $4.63BQ4 2022: $5.45BQ1 2023: $5.36BQ2 2023: $5.53BQ3 2023: $5.63BQ4 2023: $5.90BQ1 2024: $6.77BQ2 2024: $6.02BQ3 2024: $6.35BQ4 2024: $7.52BQ1 2025: $7.27BQ2 2025: $8.09BQ3 2025: $7.51BQ4 2025: $7.31BQ1 2026: $7.06BQ2 2026: $7.94B
Institutions holding SEIC and their total value by quarter
QuarterHoldersValue
Q2 2026575$7.94B
Q1 2026569$7.06B
Q4 2025562$7.31B
Q3 2025550$7.51B
Q2 2025564$8.09B
Q1 2025546$7.27B
Q4 2024540$7.52B
Q3 2024502$6.35B
Q2 2024493$6.02B
Q1 2024475$6.77B
Q4 2023491$5.90B
Q3 2023462$5.63B
Q2 2023458$5.53B
Q1 2023444$5.36B
Q4 2022446$5.45B
Q3 2022433$4.63B
Q2 2022456$5.18B
Q1 2022465$5.81B
Q4 2021472$5.94B
Q3 2021446$5.73B
Q2 2021440$6.04B
Q1 2021443$5.97B

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q4 2021.

Institutions holding SEIC in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Mitsubishi UFJ Trust & Banking Corp75,982$4.58M0.01%−6,054−7.4%Reduced
Texas Permanent School Fund74,597$4.49M0.06%−2,149−2.8%Reduced
The PNC Financial Services Group, Inc.74,489$4.49M0.00%−8,010−9.7%Reduced
CWM, LLC73,782$4.44M0.03%+73,396+19,014.5%Added
U.S. Capital Wealth Advisors, LLC71,566$4.31M0.16%+71,566New
AXA S.A.71,320$4.29M0.01%+64,470+941.2%Added
MetLife Investment Management68,080$4.10M0.03%+16,719+32.6%Added
Putnam Investments LLC65,881$3.97M0.01%+9,299+16.4%Added
Sepio Capital, LP65,375$3.94M0.35%−8,129−11.1%Reduced
Public Employees Retirement System of Ohio64,177$3.86M0.01%+5,159+8.7%Added
State of New Jersey Common Pension Fund D62,820$3.78M0.01%00.0%Unchanged
Ensign Peak Advisors, Inc61,894$3.73M0.01%−27,265−30.6%Reduced
Ingalls & Snyder LLC60,195$3.62M0.16%−100−0.2%Reduced
RK Asset Management, LLC60,139$3.62M3.51%−3,615−5.7%Reduced
Union Heritage Capital, LLC59,050$3.56M1.97%−2,500−4.1%Reduced
ExodusPoint Capital Management, LP58,382$3.52M0.05%+42,148+259.6%Added
Parsec Financial Management, Inc.58,228$3.51M0.15%+6,465+12.5%Added
Caisse de Depot Et Placement du Quebec58,152$3.50M0.01%−157,500−73.0%Reduced
Yousif Capital Management, LLC58,120$3.50M0.04%+764+1.3%Added
Aviva PLC56,873$3.42M0.02%−15,894−21.8%Reduced
O'Shares Investment Advisers, LLC55,659$3.35M0.26%+2,990+5.7%Added
Taylor Hoffman Wealth Management55,045$3.31M1.33%+1,269+2.4%Added
State of Alaska, Department of Revenue54,887$3.30M0.03%+4,206+8.3%Added
Rafferty Asset Management, LLC53,764$3.24M0.02%−2,607−4.6%Reduced
LPL Financial LLC51,783$3.12M0.00%−287−0.6%Reduced
Asset Management One Co.,Ltd.51,035$3.07M0.01%−1,559−3.0%Reduced
CIBC Private Wealth Group, LLC50,915$3.07M0.01%−28−0.1%Reduced
Robeco Institutional Asset Management B.V.50,724$3.05M0.01%−62,482−55.2%Reduced
Price T Rowe Associates Inc49,766$3.00M0.00%+2,828+6.0%Added
Comerica Bank49,968$2.96M0.02%+84+0.2%Added
Oregon Public Employees Retirement Fund48,620$2.93M0.03%−1,100−2.2%Reduced
Janus Henderson Group PLC48,231$2.90M0.00%+16,531+52.1%Added
HBK Sorce Advisory LLC47,884$2.88M0.16%−190.0%Reduced
West Coast Financial LLC47,350$2.85M0.44%+1,043+2.3%Added
Forsta Ap-Fonden47,200$2.84M0.03%+37,500+386.6%Added
Los Angeles Capital Management LLC47,034$2.83M0.01%−218,095−82.3%Reduced
Nisa Investment Advisors, LLC45,850$2.76M0.02%−100−0.2%Reduced
Cubist Systematic Strategies, LLC45,223$2.72M0.02%−17,728−28.2%Reduced
Treasurer of the State of North Carolina45,003$2.71M0.01%+6,265+16.2%Added
Pictet Asset Management SA43,758$2.63M0.00%+256+0.6%Added
Clearline Capital LP42,661$2.57M0.35%+42,661New
Ameritas Investment Partners, Inc.41,637$2.51M0.09%+1,701+4.3%Added
Henshaw Capital LLC41,514$2.50M0.15%+260+0.6%Added
NN Investment Partners Holdings N.V.41,500$2.50M0.01%−1,600−3.7%Reduced
Oppenheimer Asset Management Inc.40,926$2.46M0.03%−1,167−2.8%Reduced
Johnson Investment Counsel Inc40,100$2.41M0.03%00.0%Unchanged
Stifel Financial Corp39,604$2.38M0.00%+19,633+98.3%Added
Chevy Chase Trust Holdings, Inc.38,625$2.33M0.01%+859+2.3%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys38,563$2.32M0.02%+3,424+9.7%Added
Vontobel Holding Ltd.37,120$2.27M0.02%00.0%Unchanged
Monument Capital Management37,723$2.27M0.74%+522+1.4%Added
Wealth Alliance Advisory Group, LLC37,504$2.26M0.98%00.0%Unchanged
South Dakota Investment Council37,229$2.24M0.04%−44,752−54.6%Reduced
IFG Advisory, LLC35,859$2.16M0.22%+1,874+5.5%Added
Royal London Asset Management Ltd35,477$2.14M0.01%+5,007+16.4%Added
NJ State Employees Deferred Compensation Plan35,400$2.13M0.29%00.0%Unchanged
USS Investment Management Ltd35,203$2.12M0.02%+8,262+30.7%Added
Atria Investments LLC34,862$2.10M0.04%−721−2.0%Reduced
Moody Aldrich Partners LLC34,853$2.10M0.30%+8,660+33.1%Added
Courant Investment Management LLC34,707$2.09M1.86%00.0%Unchanged
State of Michigan Retirement System34,124$2.06M0.01%−213−0.6%Reduced
Arrowstreet Capital, Limited Partnership33,911$2.04M0.00%−385,389−91.9%Reduced
Pinebridge Investments, L.P.33,647$2.03M0.02%+2,366+7.6%Added
Arizona State Retirement System32,995$1.99M0.02%+346+1.1%Added
Russell Investments Group, Ltd.32,188$1.95M0.00%−90,495−73.8%Reduced
Meiji Yasuda Asset Management Co Ltd.31,697$1.91M0.10%+31,697New
Handelsbanken Fonder AB31,091$1.87M0.01%−7,165−18.7%Reduced
Raymond James Financial Services Advisors, Inc.28,662$1.73M0.00%+42+0.1%Added
Nomura Asset Management Co Ltd28,503$1.72M0.01%+407+1.4%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.28,480$1.72M0.01%−884−3.0%Reduced
Gries Financial LLC28,401$1.71M0.63%+28,401New
Westwood Holdings Group Inc.28,054$1.69M0.02%−2,544−8.3%Reduced
Pensionfund Sabic28,000$1.69M0.42%−4,000−12.5%Reduced
Bright Rock Capital Management, LLC27,600$1.66M0.39%00.0%Unchanged
Louisiana State Employees Retirement System27,600$1.64M0.04%+300+1.1%Added
Toroso Investments, LLC26,916$1.62M0.05%+29+0.1%Added
Morris Capital Advisors, LLC25,801$1.55M1.21%00.0%Unchanged
Renaissance Technologies LLC23,700$1.43M0.00%−86,526−78.5%Reduced
Banque Pictet & Cie SA23,355$1.41M0.01%−18,216−43.8%Reduced
Two Sigma Advisers, LP23,100$1.39M0.00%+2,200+10.5%Added
Schechter Investment Advisors, LLC23,078$1.39M0.13%+312+1.4%Added
Skandinaviska Enskilda Banken AB (publ)23,000$1.39M0.01%00.0%Unchanged
Prana Capital Management, LP23,000$1.39M0.11%+23,000New
Oliver Luxxe Assets LLC22,570$1.36M0.34%00.0%Unchanged
Macquarie Group Ltd22,310$1.34M0.00%00.0%Unchanged
American Century Companies Inc22,215$1.34M0.00%+3,666+19.8%Added
New Mexico Educational Retirement Board22,100$1.33M0.05%00.0%Unchanged
Tower Research Capital LLC (TRC)22,001$1.32M0.01%+8,439+62.2%Added
Aurora Investment Counsel21,833$1.31M0.84%−147−0.7%Reduced
Bridgewater Associates, LP21,697$1.31M0.01%−5,448−20.1%Reduced
Acadian Asset Management LLC21,481$1.29M0.01%−46,676−68.5%Reduced
AlphaCrest Capital Management LLC21,265$1.28M0.07%−14,501−40.5%Reduced
Arnhold LLC21,045$1.27M0.14%00.0%Unchanged
Davenport & Co LLC20,959$1.26M0.01%−75−0.4%Reduced
Prudential PLC20,957$1.26M0.02%+3,267+18.5%Added
Lafayette Investments, Inc.20,776$1.25M0.31%+718+3.6%Added
Globeflex Capital L P20,540$1.24M0.25%00.0%Unchanged
Trexquant Investment LP20,279$1.22M0.06%−6,134−23.2%Reduced
Tiedemann Advisors, LLC20,069$1.21M0.06%+47+0.2%Added
IFM Investors Pty Ltd19,795$1.19M0.02%+5,652+40.0%Added