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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, Q4 2022

Institutional positions in SEI Investments Co as of Dec 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
446
+22 vs. Q3 2022
Shares held
93.4M
+5.41M (+6.1%) vs. Q3 2022
Total value
$5.45B
+$1.13B (+26.2%) vs. Q3 2022
New holders
59
135 more added
Sold out
37
162 more reduced

9 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 446 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 2022: $5.45B
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 2022

Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q3 2022.

Institutions holding SEIC in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Lindenwold Advisors5,417$315.8K0.21%−456−7.8%Reduced
Desjardins Global Asset Management Inc.5,297$309.0K0.05%+5,297New
Shelton Capital Management5,272$307.4K0.03%−410−7.2%Reduced
O'Shaughnessy Asset Management, LLC5,186$302.3K0.00%−1,135−18.0%Reduced
Federation des caisses Desjardins du Quebec5,152$300.4K0.00%00.0%Unchanged
Baldwin Investment Management, LLC4,900$285.7K0.05%00.0%Unchanged
Kestra Advisory Services, LLC4,856$283.1K0.00%+4,856New
Centiva Capital, LP4,760$277.5K0.02%+4,760New
GW Henssler & Associates Ltd4,677$272.7K0.02%00.0%Unchanged
Cadent Capital Advisors, LLC4,491$261.8K0.16%00.0%Unchanged
Veritable, L.P.4,460$260.0K0.00%−350−7.3%Reduced
Great Diamond Partners, LLC4,395$256.2K0.08%−26−0.6%Reduced
Citadel Investment Advisory, Inc.4,395$256.0K0.18%−75−1.7%Reduced
Twin Tree Management, LP4,193$244.5K0.01%+2,324+124.3%Added
Wrapmanager Inc4,142$241.0K0.08%+8+0.2%Added
Pathstone Family Office, LLC5,208$228.3K0.00%+447+9.4%Added
Profund Advisors LLC3,895$227.1K0.01%+3,895New
Pitcairn Co3,866$225.4K0.02%+3,866New
Dividend Assets Capital, LLC3,800$222.0K0.05%−400−9.5%Reduced
Acrisure Capital Management, LLC3,689$215.1K0.24%+3,689New
Paces Ferry Wealth Advisors, LLC3,686$214.9K0.21%+3,686New
Arnhold LLC3,675$214.3K0.03%+3,675New
JJJ Advisors Inc.3,475$213.9K0.06%+58+1.7%Added
IFG Advisory, LLC3,651$212.0K0.02%−1,099−23.1%Reduced
Caxton Associates LP3,505$204.3K0.01%−6,503−65.0%Reduced
Bank of Nova Scotia3,483$203.1K0.00%+3,483New
Covestor Ltd2,979$174.0K0.14%+791+36.2%Added
Paradigm Asset Management Co LLC2,800$163.2K0.05%+2,800New
Vestcor Inc2,734$159.0K0.01%−17−0.6%Reduced
Lumature Wealth Partners, LLC2,500$145.8K0.08%00.0%Unchanged
Rockefeller Capital Management L.P.2,404$139.0K0.00%+557+30.2%Added
State of Wyoming2,322$135.4K0.05%−43−1.8%Reduced
Hills Bank & Trust Co2,203$128.0K0.02%00.0%Unchanged
Accel Wealth Management2,080$121.3K0.06%00.0%Unchanged
AM Squared Ltd2,000$116.6K0.08%+2,000New
Steward Partners Investment Advisory, LLC1,926$112.3K0.00%+10+0.5%Added
Point72 Middle East FZE1,906$111.1K0.01%+1,906New
US Bancorp1,903$110.9K0.00%−606−24.2%Reduced
Hollencrest Capital Management1,896$110.5K0.01%+1,896New
Column Capital Advisors, LLC1,880$109.6K0.02%00.0%Unchanged
Gladius Capital Management LP1,879$109.5K0.03%−937−33.3%Reduced
Tower Research Capital LLC (TRC)1,797$105.0K0.00%−2,331−56.5%Reduced
Seeyond1,799$104.9K0.01%−3,299−64.7%Reduced
Signaturefd, LLC1,647$96.0K0.00%−1,324−44.6%Reduced
Ci Investments Inc.1,594$93.0K0.00%−209−11.6%Reduced
Mendota Financial Group, LLC1,468$85.6K0.11%+1,468New
One Wealth Advisors, LLC1,447$84.4K0.02%+1,447New
Banque Cantonale Vaudoise1,416$82.0K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.1,395$81.3K0.01%+13+0.9%Added
Toth Financial Advisory Corp1,366$79.6K0.01%00.0%Unchanged
Swedbank AB1,298$75.7K0.00%00.0%Unchanged
Fifth Third Bancorp1,248$72.8K0.00%−116−8.5%Reduced
Smithfield Trust Co1,195$70.0K0.00%00.0%Unchanged
Private Ocean, LLC1,200$70.0K0.01%00.0%Unchanged
Quadrant Capital Group LLC1,180$68.8K0.01%+576+95.4%Added
South State Corp.1,167$68.0K0.01%−487−29.4%Reduced
Healthcare of Ontario Pension Plan Trust Fund1,145$66.8K0.00%−1,514−56.9%Reduced
Seldon Capital LP1,122$65.4K0.06%00.0%Unchanged
Advisory Services Network, LLC1,041$60.7K0.00%+1,041New
Ossiam1,015$59.2K0.00%00.0%Unchanged
Endurance Wealth Management, Inc.1,000$58.0K0.01%00.0%Unchanged
Loring Wolcott & Coolidge Fiduciary Advisors LLP900$52.5K0.00%00.0%Unchanged
Denali Advisors LLC843$49.1K0.02%+800+1,860.5%Added
PEAK6 Investments LLC821$47.9K0.00%+821New
Harbor Investment Advisory, LLC807$47.0K0.01%00.0%Unchanged
Private Trust Co NA714$42.0K0.01%−8−1.1%Reduced
Harel Insurance Investments & Financial Services Ltd.711$42.0K0.00%+711New
First Manhattan Co700$40.8K0.00%−171−19.6%Reduced
Umb Bank N A671$39.0K0.00%−5,333−88.8%Reduced
IFP Advisors, Inc539$39.0K0.00%−283−34.4%Reduced
HM Payson & Co645$37.6K0.00%+45+7.5%Added
Spire Wealth Management634$37.0K0.00%00.0%Unchanged
Whittier Trust Co620$36.1K0.00%00.0%Unchanged
Farther Finance Advisors, LLC619$36.1K0.01%+619New
Artemis Wealth Advisors, LLC611$36.0K0.01%00.0%Unchanged
Hazlett, Burt & Watson, Inc.600$35.0K0.03%00.0%Unchanged
EverSource Wealth Advisors, LLC592$34.5K0.01%−649−52.3%Reduced
Washington Trust Advisors, Inc.491$28.6K0.00%−931−65.5%Reduced
Central Trust Co481$28.0K0.00%00.0%Unchanged
Baillie Gifford & Co471$27.5K0.00%+62+15.2%Added
Fairfield Financial Advisors, LTD465$27.1K0.01%00.0%Unchanged
CoreCap Advisors, LLC453$26.4K0.00%+453New
Cresset Asset Management, LLC17,278$24.4K0.00%−407−2.3%Reduced
Asset Dedication, LLC383$23.0K0.00%+320+507.9%Added
Comerica Securities,inc.372$21.9K0.00%+372New
CoreFirst Bank & Trust373$21.7K0.02%00.0%Unchanged
Global Retirement Partners, LLC344$20.1K0.00%00.0%Unchanged
Creative Financial Designs Inc320$18.7K0.00%00.0%Unchanged
M&R Capital Management Inc313$18.3K0.01%+30+10.6%Added
New Hampshire Trust300$17.5K0.00%+300New
Geneos Wealth Management Inc.295$17.2K0.00%00.0%Unchanged
Dark Forest Capital Management LP289$16.8K0.00%+289New
Zions Bancorporation, N.A.277$16.1K0.00%−13−4.5%Reduced
Northwestern Mutual Wealth Management Co247$14.4K0.00%+3+1.2%Added
Ronald Blue Trust, Inc.273$13.0K0.00%+59+27.6%Added
Anchor Investment Management, LLC200$11.7K0.00%00.0%Unchanged
Huntington National Bank197$11.5K0.00%+8+4.2%Added
Belpointe Asset Management LLC195$11.4K0.00%+195New
Crewe Advisors LLC190$11.1K0.00%−18−8.7%Reduced
Ellevest, Inc.170$9.91K0.00%+10+6.3%Added