Skip to main content

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, Q4 2025

Institutional positions in SEI Investments Co as of Dec 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
562
+24 vs. Q3 2025
Shares held
89.1M
+699.0K (+0.8%) vs. Q3 2025
Total value
$7.31B
−$184.7M (−2.5%) vs. Q3 2025
New holders
81
199 more added
Sold out
57
192 more reduced

12 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 holdersQ4 2025: 562 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 heldQ4 2025: $7.31B
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, Q4 2025

Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q3 2025.

Institutions holding SEIC in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Thrive Wealth Management, LLC81,169$6.66M0.98%+1,873+2.4%Added
Price T Rowe Associates Inc80,968$6.64M0.00%+3,116+4.0%Added
Verition Fund Management LLC77,571$6.36M0.03%+50,629+187.9%Added
Allianz Asset Management GmbH77,002$6.32M0.01%−97,264−55.8%Reduced
Umb Bank N A76,712$6.29M0.08%−897−1.2%Reduced
Winton Group Ltd76,615$6.28M0.22%+76,615New
Chevy Chase Trust Holdings, Inc.75,994$6.23M0.02%−2,241−2.9%Reduced
Great West Life Assurance Co72,640$5.96M0.01%+10,294+16.5%Added
Manufacturers Life Insurance Company, The71,882$5.90M0.00%−1,814−2.5%Reduced
Taylor Hoffman Capital Management LLC71,222$5.84M1.77%+957+1.4%Added
CBOE Vest Financial, LLC70,824$5.81M0.07%+8,281+13.2%Added
Modera Wealth Management, LLC70,610$5.79M0.07%−2,162−3.0%Reduced
Union Heritage Capital, LLC68,700$5.63M1.91%00.0%Unchanged
RK Asset Management, LLC67,759$5.56M5.24%−1,380−2.0%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH67,118$5.54M0.01%−5,835−8.0%Reduced
Los Angeles Capital Management LLC67,742$5.47M0.02%−126,459−65.1%Reduced
Southernsun Asset Management, LLC66,490$5.45M0.76%−70.0%Reduced
ExodusPoint Capital Management, LP65,395$5.36M0.06%+14,531+28.6%Added
Mirae Asset Global Investments Co., Ltd.63,051$5.17M0.01%+2,743+4.5%Added
Prudential PLC60,311$4.95M0.04%−1,322−2.1%Reduced
Public Employees Retirement System of Ohio60,078$4.93M0.02%−2,037−3.3%Reduced
IFG Advisory, LLC59,147$4.85M0.21%+2,500+4.4%Added
Vident Advisory, LLC57,655$4.73M0.04%+999+1.8%Added
Illinois Municipal Retirement Fund56,216$4.61M0.06%−13,755−19.7%Reduced
Russell Investments Group, Ltd.55,430$4.55M0.00%−36,366−39.6%Reduced
CWM, LLC53,837$4.42M0.01%+1,686+3.2%Added
HBK Sorce Advisory LLC51,710$4.37M0.10%−6,200−10.7%Reduced
Citigroup Inc52,911$4.34M0.00%+10,882+25.9%Added
MAI Capital Management52,560$4.31M0.02%+49,097+1,417.8%Added
APG Asset Management N.V.58,821$4.11M0.01%−3,779−6.0%Reduced
Mill Creek Capital Advisors, LLC49,984$4.10M0.08%+130.0%Added
Sanctuary Advisors, LLC49,062$4.02M0.02%+62+0.1%Added
Crestwood Advisors Group LLC48,807$4.00M0.07%+100.0%Added
Intech Investment Management LLC48,699$3.99M0.04%+18,772+62.7%Added
Banco Santander, S.A.47,549$3.90M0.03%−16,371−25.6%Reduced
New Age Alpha Advisors, LLC47,153$3.87M0.17%+34,745+280.0%Added
KBC Group NV46,627$3.82M0.01%−1,258−2.6%Reduced
Abn Amro Investment Solutions46,285$3.80M0.06%−18,010−28.0%Reduced
MetLife Investment Management45,620$3.74M0.02%−2,838−5.9%Reduced
Janus Henderson Group PLC45,122$3.70M0.00%−978−2.1%Reduced
Quest Partners LLC44,564$3.66M0.20%+8,219+22.6%Added
Moran Wealth Management, LLC44,154$3.62M0.11%−1,809−3.9%Reduced
Nisa Investment Advisors, LLC43,852$3.62M0.01%+170.0%Added
Police & Firemen's Retirement System of New Jersey43,123$3.54M0.03%−3,087−6.7%Reduced
New York State Common Retirement Fund43,100$3.54M0.00%00.0%Unchanged
Karl Kapital LLC43,072$3.53M3.13%+43,072New
Treasurer of the State of North Carolina42,862$3.52M0.01%−3,904−8.3%Reduced
Henshaw Capital LLC42,843$3.51M0.13%00.0%Unchanged
Holocene Advisors, LP42,533$3.49M0.01%−6,630−13.5%Reduced
Ensign Peak Advisors, Inc42,474$3.48M0.01%−9,999−19.1%Reduced
State of Tennessee, Treasury Department38,835$3.41M0.01%−1,663−4.1%Reduced
Amalgamated Bank41,530$3.41M0.02%−4,233−9.2%Reduced
Bokf, NA41,109$3.37M0.05%−2,124−4.9%Reduced
Atria Investments LLC39,548$3.24M0.04%−590−1.5%Reduced
Cerity Partners LLC39,504$3.24M0.00%−32,532−45.2%Reduced
Fideuram - Intesa Sanpaolo Private Banking S.P.A.39,217$3.22M0.12%+39,217New
Ingalls & Snyder LLC39,153$3.21M0.12%+870+2.3%Added
Mutual of America Capital Management LLC38,727$3.18M0.03%−4,665−10.8%Reduced
BNP Paribas Arbitrage, SA38,547$3.16M0.00%+19,390+101.2%Added
US Bancorp38,368$3.15M0.00%−63−0.2%Reduced
Worldquant Millennium Advisors LLC38,218$3.13M0.01%+11,530+43.2%Added
CWM Advisors, LLC37,517$3.08M0.28%−3,677−8.9%Reduced
Wealth Alliance Advisory Group, LLC37,504$3.08M0.53%00.0%Unchanged
Johnson Investment Counsel Inc36,882$3.03M0.02%+7,030+23.5%Added
Meeder Asset Management Inc36,348$2.98M0.16%+36,348New
Morningstar Investment Management LLC36,154$2.96M0.18%00.0%Unchanged
Zacks Investment Management35,663$2.93M0.02%−6,252−14.9%Reduced
Brandes Investment Partners, LP35,663$2.93M0.02%+6,843+23.7%Added
Credit Agricole S A34,621$2.84M0.01%+12,777+58.5%Added
Crossmark Global Holdings, Inc.34,611$2.84M0.04%−934−2.6%Reduced
Third View Private Wealth, LLC34,229$2.81M0.38%+34,229New
Diversified Trust Co33,709$2.76M0.05%+500+1.5%Added
Handelsbanken Fonder AB33,500$2.75M0.01%00.0%Unchanged
Sepio Capital, LP33,047$2.71M0.15%−596−1.8%Reduced
DGS Capital Management, LLC32,625$2.68M0.46%+5,124+18.6%Added
Campbell & CO Investment Adviser LLC32,343$2.65M0.13%+10,932+51.1%Added
Pathstone Holdings, LLC31,104$2.55M0.01%−7,051−18.5%Reduced
Teachers Retirement System of the State of Kentucky31,054$2.55M0.02%00.0%Unchanged
State of New Jersey Common Pension Fund D30,872$2.53M0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)30,823$2.53M0.01%+6,795+28.3%Added
JustInvest LLC30,516$2.50M0.02%−586−1.9%Reduced
Yousif Capital Management, LLC29,743$2.49M0.03%−1,060−3.4%Reduced
Arizona State Retirement System29,066$2.38M0.01%−2,241−7.2%Reduced
Wealth Enhancement Advisory Services, LLC27,041$2.38M0.00%+5,794+27.3%Added
Colony Group, LLC28,987$2.38M0.00%+6,662+29.8%Added
Cetera Investment Advisers28,954$2.37M0.00%+15,041+108.1%Added
The PNC Financial Services Group, Inc.28,364$2.33M0.00%−1,024−3.5%Reduced
Callan Family Office, LLC27,665$2.27M0.05%+27,665New
Convergence Investment Partners, LLC27,640$2.27M0.45%+3,176+13.0%Added
Entropy Technologies, LP27,464$2.25M0.12%+5,480+24.9%Added
Comerica Bank27,285$2.24M0.01%−729−2.6%Reduced
Canada Pension Plan Investment Board26,700$2.19M0.00%00.0%Unchanged
Smithbridge Asset Management Inc26,601$2.18M0.19%+400+1.5%Added
Envestnet Portfolio Solutions, Inc.26,300$2.16M0.01%+1,351+5.4%Added
SummitTX Capital, L.P.26,230$2.15M0.07%+22,649+632.5%Added
Graham Capital Management, L.P.25,894$2.12M0.07%−15,844−38.0%Reduced
Louisiana State Employees Retirement System25,700$2.11M0.04%−500−1.9%Reduced
First Citizens Bank & Trust Co24,085$1.98M0.04%+1,668+7.4%Added
Headlands Technologies LLC24,059$1.97M0.16%+8,719+56.8%Added
XTX Topco Ltd23,831$1.95M0.05%+23,831New