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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, Q1 2024

Institutional positions in SEI Investments Co as of Mar 31, 2024. 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
475
−10 vs. Q4 2023
Shares held
94.2M
+1.49M (+1.6%) vs. Q4 2023
Total value
$6.77B
+$876.6M (+14.9%) vs. Q4 2023
New holders
47
141 more added
Sold out
57
185 more reduced

6 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 2024: 475 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 2024: $6.77B
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 2024

Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q4 2023.

Institutions holding SEIC in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Venturi Wealth Management, LLC1,530$110.0K0.01%+91+6.3%Added
UniSuper Management Pty Ltd1,600$115.0K0.00%+800+100.0%Added
nVerses Capital, LLC1,700$122.2K0.29%+1,700New
Hills Bank & Trust Co1,807$129.9K0.01%−14−0.8%Reduced
Bokf, NA1,839$130.2K0.00%−100−5.2%Reduced
Hollencrest Capital Management1,896$136.3K0.01%00.0%Unchanged
Lazard Asset Management LLC1,918$137.0K0.00%−91−4.5%Reduced
Annis Gardner Whiting Capital Advisors, LLC1,935$139.1K0.05%+1,935New
Quadrant Capital Group LLC1,956$140.6K0.01%00.0%Unchanged
Icon Wealth Advisors, LLC1,972$141.8K0.01%+295+17.6%Added
Degroof Petercam Asset Management2,300$165.4K0.00%00.0%Unchanged
Ci Investments Inc.2,525$182.0K0.00%+376+17.5%Added
Signaturefd, LLC2,729$196.2K0.00%−73−2.6%Reduced
B. Metzler seel. Sohn & Co. AG2,825$203.1K0.00%+2,825New
Kestra Private Wealth Services, LLC2,831$203.5K0.00%+2,831New
MML Investors Services, LLC2,837$204.0K0.00%+2,837New
Lakeview Capital Partners, LLC2,971$213.6K0.03%−331−10.0%Reduced
NBT Bank N A3,005$216.1K0.02%00.0%Unchanged
Intech Investment Management LLC3,042$218.7K0.00%−15,093−83.2%Reduced
Savant Capital, LLC3,087$222.0K0.00%+3,087New
Catalyst Funds Management Pty Ltd3,100$222.9K0.06%+3,100New
Leo Wealth, LLC3,160$227.2K0.02%+3,160New
Kestra Advisory Services, LLC3,172$228.1K0.00%+15+0.5%Added
CIBC Asset Management Inc3,225$231.9K0.00%−2,078−39.2%Reduced
Mairs & Power Inc3,300$237.3K0.00%00.0%Unchanged
CAPROCK Group, Inc.3,332$239.6K0.01%+23+0.7%Added
Hilltop Holdings Inc.3,372$242.4K0.03%−720−17.6%Reduced
Profund Advisors LLC3,413$245.4K0.01%+3,413New
Caxton Associates LP3,439$247.3K0.02%00.0%Unchanged
Tower Research Capital LLC (TRC)3,504$251.9K0.01%−8,127−69.9%Reduced
Lombard Odier Asset Management (Switzerland) SA3,646$262.1K0.02%+3,646New
Arnhold LLC3,675$264.2K0.03%00.0%Unchanged
Janney Montgomery Scott LLC3,780$272.0K0.00%−7−0.2%Reduced
Morningstar Investment Management LLC3,807$274.0K0.03%00.0%Unchanged
Meiji Yasuda Life Insurance Co3,930$282.6K0.01%+3,930New
Wrapmanager Inc3,940$283.3K0.08%−491−11.1%Reduced
Captrust Financial Advisors3,952$284.1K0.00%−16,678−80.8%Reduced
Ieq Capital, LLC3,980$286.2K0.00%+596+17.6%Added
WBH Advisory Inc4,000$287.6K0.03%00.0%Unchanged
Citadel Investment Advisory, Inc.4,000$288.0K0.16%−300−7.0%Reduced
Verition Fund Management LLC4,008$288.2K0.00%+4,008New
Private Advisor Group, LLC4,022$289.2K0.00%−101−2.4%Reduced
Portside Wealth Group, LLC4,078$293.2K0.05%+255+6.7%Added
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management4,118$296.1K0.01%+31+0.8%Added
Public Employees Retirement Association of Colorado4,145$298.0K0.00%00.0%Unchanged
Lindenwold Advisors4,146$298.1K0.16%−40−1.0%Reduced
Legacy Financial Advisors, Inc.4,190$301.2K0.05%+312+8.0%Added
Royal Capital Wealth Management, LLC4,200$302.0K0.24%00.0%Unchanged
AlphaQ Advisors LLC4,339$312.0K0.19%+449+11.5%Added
Shelton Capital Management4,352$312.9K0.01%00.0%Unchanged
Cullen Investment Group, Ltd.4,450$314.0K0.05%−267−5.7%Reduced
Great Diamond Partners, LLC4,472$321.5K0.07%−48−1.1%Reduced
Cadent Capital Advisors, LLC4,491$322.9K0.13%00.0%Unchanged
Pitcairn Co4,566$328.3K0.02%−34−0.7%Reduced
CIBC World Markets Corp4,579$329.2K0.00%+4,579New
Commonwealth Equity Services, LLC4,612$332.0K0.00%−158−3.3%Reduced
Keebeck Alpha, LP4,833$347.5K0.23%+4,833New
Envestnet Portfolio Solutions, Inc.4,868$350.0K0.00%+975+25.0%Added
Ossiam4,974$357.6K0.01%+1,529+44.4%Added
State of Wyoming4,992$358.9K0.06%+1,124+29.1%Added
Cetera Investment Advisers5,007$360.0K0.00%+5,007New
Concurrent Investment Advisors, LLC5,079$365.1K0.01%+5,079New
Camden Capital, LLC5,154$370.6K0.03%+5,154New
Investment House LLC5,432$390.6K0.02%00.0%Unchanged
Metis Global Partners, LLC5,649$406.2K0.01%+65+1.2%Added
Prelude Capital Management, LLC5,669$407.6K0.03%+5,669New
Convergence Investment Partners, LLC5,669$408.0K0.16%+5,669New
Wilbanks Smith & Thomas Asset Management LLC6,079$437.1K0.01%+13+0.2%Added
Petrus Trust Company, LTA6,107$439.1K0.04%+2,501+69.4%Added
Centiva Capital, LP6,125$440.4K0.02%−10,702−63.6%Reduced
BI Asset Management Fondsmaeglerselskab A/S6,199$446.0K0.01%+2,418+64.0%Added
DekaBank Deutsche Girozentrale6,375$454.0K0.00%+256+4.2%Added
Snowden Capital Advisors LLC6,317$454.2K0.01%−104−1.6%Reduced
Beaumont Financial Advisors, LLC6,483$466.1K0.04%00.0%Unchanged
AdvisorShares Investments LLC6,592$474.0K0.08%00.0%Unchanged
Haverford Trust Co6,613$475.5K0.00%00.0%Unchanged
Baker Tilly Wealth Management, LLC6,696$481.5K0.09%+72+1.1%Added
Versor Investments LP6,782$487.6K0.10%−2,500−26.9%Reduced
Mariner, LLC6,869$493.9K0.00%+327+5.0%Added
Edgestream Partners, L.P.6,873$494.2K0.02%−41,326−85.7%Reduced
Engineers Gate Manager LP7,002$503.4K0.01%−33,113−82.5%Reduced
JJJ Advisors Inc.7,015$504.4K0.11%+1,022+17.1%Added
First Citizens Bank & Trust Co7,042$506.3K0.01%+230+3.4%Added
Fayez Sarofim & Co7,300$524.9K0.00%00.0%Unchanged
Front Street Capital Management, Inc.7,329$527.0K0.10%+10.0%Added
Daiwa Securities Group Inc.7,400$532.0K0.00%+100+1.4%Added
Maryland State Retirement & Pension System8,132$537.4K0.01%00.0%Unchanged
Fisher Asset Management, LLC7,767$558.4K0.00%−881−10.2%Reduced
Lecap Asset Management Ltd7,775$559.0K0.12%−1,623−17.3%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd7,832$563.1K0.01%−71−0.9%Reduced
Janus Henderson Group PLC7,864$565.2K0.00%−743−8.6%Reduced
Creative Planning7,931$570.3K0.00%+771+10.8%Added
Securian Asset Management, Inc8,194$589.1K0.02%−226−2.7%Reduced
Nordea Investment Management AB8,258$597.6K0.00%−1,187−12.6%Reduced
Campbell & CO Investment Adviser LLC8,353$600.6K0.05%−18,231−68.6%Reduced
Ghe, LLC8,482$610.0K0.28%−7,602−47.3%Reduced
Crossmark Global Holdings, Inc.8,595$618.0K0.01%−416−4.6%Reduced
Hillsdale Investment Management Inc.8,800$632.7K0.05%−200−2.2%Reduced
DGS Capital Management, LLC8,839$635.5K0.18%+4,607+108.9%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC8,851$636.4K0.03%+1,226+16.1%Added