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 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.

Institutional holdersQ1 2025: 546 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 2025: $7.27B
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 2025

Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q4 2024.

Institutions holding SEIC in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Private Wealth Management Group, LLC60$4.66K0.00%00.0%Unchanged
Harbour Investments, Inc.56$4.35K0.00%00.0%Unchanged
Altshuler Shaham Ltd50$3.88K0.00%00.0%Unchanged
Montag A & Associates Inc46$3.57K0.00%00.0%Unchanged
Carolina Wealth Advisors, LLC43$3.34K0.00%00.0%Unchanged
Saudi Central Bank43$3.34K0.02%+43New
West Paces Advisors Inc.42$3.26K0.00%00.0%Unchanged
Grove Bank & Trust42$3.26K0.00%+42New
Crowley Wealth Management, Inc.40$3.10K0.00%00.0%Unchanged
Parkside Financial Bank & Trust37$2.87K0.00%00.0%Unchanged
Sunbelt Securities, Inc.35$2.72K0.00%00.0%Unchanged
St Germain D J Co Inc35$2.72K0.00%00.0%Unchanged
Hughes Financial Services, LLC35$2.71K0.00%+35New
True Wealth Design, LLC34$2.64K0.00%+34New
Larson Financial Group LLC33$2.60K0.00%−8−19.5%Reduced
Red Tortoise LLC33$2.56K0.00%00.0%Unchanged
Horizon Investments, LLC28$2.17K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.28$2.17K0.00%+1+3.7%Added
Avion Wealth27$2.00K0.00%00.0%Unchanged
First Command Advisory Services, Inc.25$1.94K0.00%+25New
Lindbrook Capital, LLC22$1.71K0.00%00.0%Unchanged
North Capital, Inc.22$1.71K0.00%+22New
Granite FO LLC21$1.63K0.00%00.0%Unchanged
Rothschild Investment LLC20$1.55K0.00%00.0%Unchanged
Global Financial Private Client, LLC20$1.55K0.00%+13+185.7%Added
UMA Financial Services, Inc.20$1.55K0.00%+20New
Assetmark, Inc13$1.01K0.00%00.0%Unchanged
Hantz Financial Services, Inc.12$1.00K0.00%+12New
Winthrop Capital Management, LLC12$1.00K0.00%+12New
NewSquare Capital LLC11$8540.00%+11New
Highline Wealth Partners LLC11$8540.00%+11New
Financial Management Professionals, Inc.10$7760.00%00.0%Unchanged
Bare Financial Services, Inc9$6990.00%+9New
WealthTrak Capital Management LLC5$3890.00%00.0%Unchanged
Manchester Capital Management LLC5$3890.00%+5New
Activest Wealth Management5$3880.00%+4+400.0%Added
AdvisorNet Financial, Inc5$3880.00%+5New
Principia Wealth Advisory, LLC5$3650.00%+5New
Parkworth Wealth Management, Inc.4$3110.00%00.0%Unchanged
American Capital Advisory, LLC3$2330.00%+3New
HFM Investment Advisors, LLC3$2330.00%+3New
Bay Harbor Wealth Management, LLC3$2320.00%+3New
SBI Securities Co., Ltd.2$1550.00%00.0%Unchanged
TFC Financial Management1$780.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC1$780.00%+1New
Fairman Group, LLC1$700.00%00.0%Unchanged
Proequities, Inc.0$00.00%−602−100.0%Sold out
Citadel Advisors LLC0$00.00%−745,895−100.0%Sold out
Trexquant Investment LP0$00.00%−109,804−100.0%Sold out
Weiss Asset Management LP0$00.00%−89,150−100.0%Sold out
Jump Financial, LLC0$00.00%−37,282−100.0%Sold out
Jain Global LLC0$00.00%−33,130−100.0%Sold out
Crestline Management, LP0$00.00%−29,125−100.0%Sold out
Aurora Investment Counsel0$00.00%−19,747−100.0%Sold out
Portman Square Capital LLP0$00.00%−17,408−100.0%Sold out
Nomura Holdings Inc0$00.00%−13,000−100.0%Sold out
Fisher Asset Management, LLC0$00.00%−7,949−100.0%Sold out
Front Street Capital Management, Inc.0$00.00%−7,231−100.0%Sold out
Tandem Investment Advisors, Inc.0$00.00%−7,012−100.0%Sold out
First Hawaiian Bank0$00.00%−6,763−100.0%Sold out
Sienna Gestion0$00.00%−6,658−100.0%Sold out
111 Capital0$00.00%−6,548−100.0%Sold out
Catalyst Funds Management Pty Ltd0$00.00%−6,000−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−5,526−100.0%Sold out
ISAM Funds (UK) Ltd0$00.00%−5,416−100.0%Sold out
Virtus Investment Advisers, Inc.0$00.00%−5,100−100.0%Sold out
Machina Capital S.A.S.0$00.00%−5,003−100.0%Sold out
Versor Investments LP0$00.00%−4,729−100.0%Sold out
Taika Capital, LP0$00.00%−4,700−100.0%Sold out
Meiji Yasuda Life Insurance Co0$00.00%−4,591−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−4,185−100.0%Sold out
Morningstar Investment Management LLC0$00.00%−3,880−100.0%Sold out
Colony Group, LLC0$00.00%−3,406−100.0%Sold out
Axq Capital, LP0$00.00%−3,119−100.0%Sold out
Applied Finance Capital Management, LLC0$00.00%−3,110−100.0%Sold out
BTS Asset Management, Inc.0$00.00%−3,073−100.0%Sold out
Icapital Wealth LLC0$00.00%−3,008−100.0%Sold out
J.W. Cole Advisors, Inc.0$00.00%−2,720−100.0%Sold out
International Assets Investment Management, LLC0$00.00%−2,556−100.0%Sold out
Paces Ferry Wealth Advisors, LLC0$00.00%−2,504−100.0%Sold out
Entropy Technologies, LP0$00.00%−2,501−100.0%Sold out
Great Diamond Partners, LLC0$00.00%−2,463−100.0%Sold out
Venturi Wealth Management, LLC0$00.00%−2,105−100.0%Sold out
Kapitalo Investimentos Ltda0$00.00%−1,983−100.0%Sold out
Mendota Financial Group, LLC0$00.00%−632−100.0%Sold out
Fairfield Financial Advisors, LTD0$00.00%−465−100.0%Sold out
CoreFirst Bank & Trust0$00.00%−373−100.0%Sold out
LGT Financial Advisors LLC0$00.00%−245−100.0%Sold out
Rise Advisors, LLC0$00.00%−226−100.0%Sold out
Stephens Consulting, LLC0$00.00%−161−100.0%Sold out
Wingate Wealth Advisors, Inc.0$00.00%−152−100.0%Sold out
Caitlin John, LLC0$00.00%−109−100.0%Sold out
Quarry LP0$00.00%−73−100.0%Sold out
GeoWealth Management, LLC0$00.00%−66−100.0%Sold out
Synergy Investment Management, LLC0$00.00%−39−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−12−100.0%Sold out
C M Bidwell & Associates Ltd0$00.00%−6−100.0%Sold out
Clear Street Markets LLC0$00.00%−1−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed
Phase 2 Partners, LLC––––Not filed