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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 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 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
Mendota Financial Group, LLC1,468$85.6K0.11%+1,468New
Ci Investments Inc.1,594$93.0K0.00%−209−11.6%Reduced
Signaturefd, LLC1,647$96.0K0.00%−1,324−44.6%Reduced
Seeyond1,799$104.9K0.01%−3,299−64.7%Reduced
Tower Research Capital LLC (TRC)1,797$105.0K0.00%−2,331−56.5%Reduced
Gladius Capital Management LP1,879$109.5K0.03%−937−33.3%Reduced
Column Capital Advisors, LLC1,880$109.6K0.02%00.0%Unchanged
Hollencrest Capital Management1,896$110.5K0.01%+1,896New
US Bancorp1,903$110.9K0.00%−606−24.2%Reduced
Point72 Middle East FZE1,906$111.1K0.01%+1,906New
Steward Partners Investment Advisory, LLC1,926$112.3K0.00%+10+0.5%Added
AM Squared Ltd2,000$116.6K0.08%+2,000New
Accel Wealth Management2,080$121.3K0.06%00.0%Unchanged
Hills Bank & Trust Co2,203$128.0K0.02%00.0%Unchanged
State of Wyoming2,322$135.4K0.05%−43−1.8%Reduced
Rockefeller Capital Management L.P.2,404$139.0K0.00%+557+30.2%Added
Lumature Wealth Partners, LLC2,500$145.8K0.08%00.0%Unchanged
Vestcor Inc2,734$159.0K0.01%−17−0.6%Reduced
Paradigm Asset Management Co LLC2,800$163.2K0.05%+2,800New
Covestor Ltd2,979$174.0K0.14%+791+36.2%Added
Bank of Nova Scotia3,483$203.1K0.00%+3,483New
Caxton Associates LP3,505$204.3K0.01%−6,503−65.0%Reduced
IFG Advisory, LLC3,651$212.0K0.02%−1,099−23.1%Reduced
JJJ Advisors Inc.3,475$213.9K0.06%+58+1.7%Added
Arnhold LLC3,675$214.3K0.03%+3,675New
Paces Ferry Wealth Advisors, LLC3,686$214.9K0.21%+3,686New
Acrisure Capital Management, LLC3,689$215.1K0.24%+3,689New
Dividend Assets Capital, LLC3,800$222.0K0.05%−400−9.5%Reduced
Pitcairn Co3,866$225.4K0.02%+3,866New
Profund Advisors LLC3,895$227.1K0.01%+3,895New
Pathstone Family Office, LLC5,208$228.3K0.00%+447+9.4%Added
Wrapmanager Inc4,142$241.0K0.08%+8+0.2%Added
Twin Tree Management, LP4,193$244.5K0.01%+2,324+124.3%Added
Citadel Investment Advisory, Inc.4,395$256.0K0.18%−75−1.7%Reduced
Great Diamond Partners, LLC4,395$256.2K0.08%−26−0.6%Reduced
Veritable, L.P.4,460$260.0K0.00%−350−7.3%Reduced
Cadent Capital Advisors, LLC4,491$261.8K0.16%00.0%Unchanged
GW Henssler & Associates Ltd4,677$272.7K0.02%00.0%Unchanged
Centiva Capital, LP4,760$277.5K0.02%+4,760New
Kestra Advisory Services, LLC4,856$283.1K0.00%+4,856New
Baldwin Investment Management, LLC4,900$285.7K0.05%00.0%Unchanged
Federation des caisses Desjardins du Quebec5,152$300.4K0.00%00.0%Unchanged
O'Shaughnessy Asset Management, LLC5,186$302.3K0.00%−1,135−18.0%Reduced
Shelton Capital Management5,272$307.4K0.03%−410−7.2%Reduced
Desjardins Global Asset Management Inc.5,297$309.0K0.05%+5,297New
Lindenwold Advisors5,417$315.8K0.21%−456−7.8%Reduced
Investment House LLC5,432$316.7K0.03%00.0%Unchanged
Bridgefront Capital, LLC5,435$316.9K0.22%+5,435New
Commonwealth Equity Services, LLC5,542$323.0K0.00%−106−1.9%Reduced
Creative Planning5,610$327.1K0.00%−845−13.1%Reduced
Cubist Systematic Strategies, LLC5,621$327.7K0.00%−2,764−33.0%Reduced
La Banque Postale Asset Management SA5,878$342.7K0.01%+5,878New
Grant/GrossMendelsohn, LLC5,700$348.6K0.18%00.0%Unchanged
Daiwa Securities Group Inc.6,011$350.0K0.00%+400+7.1%Added
Mercer Global Advisors Inc6,048$353.0K0.00%+58+1.0%Added
Wilbanks Smith & Thomas Asset Management LLC6,091$355.1K0.01%00.0%Unchanged
Snowden Capital Advisors LLC6,391$372.6K0.02%−1,992−23.8%Reduced
CIBC Asset Management Inc6,598$384.7K0.00%−1,998−23.2%Reduced
Beaumont Financial Advisors, LLC6,643$387.3K0.04%+6,643New
Procyon Private Wealth Partners, LLC6,650$387.7K0.07%+13+0.2%Added
Haverford Trust Co6,670$388.9K0.00%00.0%Unchanged
Mariner, LLC6,710$391.0K0.00%−428−6.0%Reduced
Segall Bryant & Hamill, LLC6,732$392.0K0.00%00.0%Unchanged
Guggenheim Capital LLC6,805$396.7K0.00%−7,315−51.8%Reduced
Forsta Ap-Fonden7,000$408.1K0.00%+1,800+34.6%Added
Ethic Inc.7,047$410.8K0.02%+1,433+25.5%Added
Front Street Capital Management, Inc.7,105$414.0K0.10%00.0%Unchanged
Fayez Sarofim & Co7,300$425.6K0.00%00.0%Unchanged
Maryland State Retirement & Pension System7,488$436.6K0.01%+7,488New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC7,625$444.5K0.03%00.0%Unchanged
Ghe, LLC7,710$449.0K0.42%−9,224−54.5%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd7,931$462.4K0.01%+2,069+35.3%Added
Glenmede Trust Co NA8,046$469.1K0.00%+46+0.6%Added
King Luther Capital Management Corp8,140$474.6K0.00%00.0%Unchanged
HighTower Advisors, LLC8,209$476.0K0.00%+245+3.1%Added
Verition Fund Management LLC8,216$479.0K0.01%+1,105+15.5%Added
Raymond James Trust N.A.8,375$489.0K0.02%+71+0.9%Added
Parallel Advisors, LLC8,628$503.0K0.02%−9,797−53.2%Reduced
Prudential Financial Inc8,822$514.3K0.00%−94−1.1%Reduced
Westpac Banking Corp9,015$525.6K0.01%00.0%Unchanged
Fisher Asset Management, LLC9,362$546.0K0.00%−492−5.0%Reduced
Hennion & Walsh Asset Management, Inc.9,378$547.0K0.03%+1,004+12.0%Added
Securian Asset Management, Inc9,402$548.1K0.02%00.0%Unchanged
Northwestern Mutual Investment Management Company, LLC9,483$552.9K0.01%−5,389−36.2%Reduced
Telos Capital Management, Inc.9,600$559.7K0.08%00.0%Unchanged
Aquatic Capital Management LLC9,700$565.0K0.04%+9,700New
Interval Partners, LP9,699$565.5K0.05%−600−5.8%Reduced
Logan Capital Management Inc9,700$565.5K0.03%00.0%Unchanged
Boothbay Fund Management, LLC9,746$568.2K0.02%+2,155+28.4%Added
Janney Montgomery Scott LLC9,783$570.0K0.00%−132,593−93.1%Reduced
Susquehanna International Group, LLP10,000$583.0K0.00%−8,882−47.0%Reduced
RBF Capital, LLC10,000$583.0K0.04%00.0%Unchanged
Wellington Shields & Co., LLC10,000$583.0K0.13%00.0%Unchanged
Acadian Asset Management LLC10,024$584.0K0.00%−6,441−39.1%Reduced
JustInvest LLC10,223$596.0K0.02%−8,998−46.8%Reduced
British Columbia Investment Management Corp10,298$600.4K0.01%−1,232−10.7%Reduced
Cerity Partners LLC10,587$617.3K0.00%+10,587New
Nordea Investment Management AB10,619$617.8K0.00%+655+6.6%Added
FDx Advisors, Inc.10,614$619.0K0.03%−4,283−28.8%Reduced
Commerce Bank10,848$632.4K0.01%+132+1.2%Added