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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 2023

Institutional positions in SEI Investments Co as of Dec 31, 2023. 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
491
+37 vs. Q3 2023
Shares held
92.8M
−426.6K (−0.5%) vs. Q3 2023
Total value
$5.90B
+$270.9M (+4.8%) vs. Q3 2023
New holders
69
142 more added
Sold out
32
182 more reduced

8 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 491 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 2023: $5.90B
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 2023

Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q3 2023.

Institutions holding SEIC in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Northwestern Mutual Wealth Management Co1,239$78.7K0.00%+172+16.1%Added
Swedbank AB1,298$82.5K0.00%00.0%Unchanged
Sachetta, LLC1,400$89.0K0.04%+1,400New
Venturi Wealth Management, LLC1,439$91.4K0.01%−77−5.1%Reduced
Dividend Assets Capital, LLC1,450$92.0K0.02%00.0%Unchanged
Mendota Financial Group, LLC1,468$93.3K0.07%00.0%Unchanged
Impact Partnership Wealth, LLC1,520$96.6K0.04%−617−28.9%Reduced
Icon Wealth Advisors, LLC1,677$106.6K0.01%+1,677New
Hills Bank & Trust Co1,821$115.7K0.01%00.0%Unchanged
Hollencrest Capital Management1,896$120.5K0.01%00.0%Unchanged
Bokf, NA1,939$123.2K0.00%00.0%Unchanged
Quadrant Capital Group LLC1,956$124.3K0.01%+316+19.3%Added
Lazard Asset Management LLC2,009$127.0K0.00%+2,009New
Covestor Ltd2,087$133.0K0.09%−4−0.2%Reduced
Ci Investments Inc.2,149$137.0K0.00%+373+21.0%Added
Degroof Petercam Asset Management2,300$146.2K0.00%+2,300New
Signaturefd, LLC2,802$178.1K0.00%−539−16.1%Reduced
NBT Bank N A3,005$191.0K0.01%+3,005New
Desjardins Global Asset Management Inc.3,050$193.8K0.02%−24,196−88.8%Reduced
Kestra Advisory Services, LLC3,157$200.6K0.00%+3,157New
Systematic Portfolios LLC3,198$203.2K0.62%+3,198New
Kapitalo Investimentos Ltda3,265$207.5K0.04%−484−12.9%Reduced
Fox Run Management, L.L.C.3,273$208.0K0.05%+3,273New
Mairs & Power Inc3,300$209.7K0.00%+3,300New
Lakeview Capital Partners, LLC3,302$209.9K0.04%+3,302New
CAPROCK Group, Inc.3,309$211.8K0.01%−24−0.7%Reduced
Ghe, LLC16,084$214.0K0.13%+7,739+92.7%Added
Y-Intercept (Hong Kong) Ltd3,368$214.0K0.02%−16,426−83.0%Reduced
Ieq Capital, LLC3,384$215.1K0.00%+3,384New
Caxton Associates LP3,439$218.5K0.01%−5,496−61.5%Reduced
Ossiam3,445$218.9K0.00%−45−1.3%Reduced
Petrus Trust Company, LTA3,606$229.2K0.02%00.0%Unchanged
Sequoia Financial Advisors, LLC3,607$229.2K0.00%+3,607New
Arnhold LLC3,675$233.5K0.03%00.0%Unchanged
BI Asset Management Fondsmaeglerselskab A/S3,781$240.0K0.01%−99−2.6%Reduced
Janney Montgomery Scott LLC3,787$241.0K0.00%−1,674−30.7%Reduced
Morningstar Investment Management LLC3,807$242.0K0.03%+22+0.6%Added
Portside Wealth Group, LLC3,823$243.0K0.05%+276+7.8%Added
State of Wyoming3,868$245.8K0.05%+946+32.4%Added
Legacy Financial Advisors, Inc.3,878$246.5K0.05%+391+11.2%Added
AlphaQ Advisors LLC3,890$247.2K0.17%+3,890New
Envestnet Portfolio Solutions, Inc.3,893$247.4K0.00%+3,893New
Two Sigma Securities, LLC3,910$248.5K0.01%+3,910New
Oxford Asset Management LLP3,955$251.3K0.38%+3,955New
WBH Advisory Inc4,000$254.2K0.03%00.0%Unchanged
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management4,087$259.8K0.01%00.0%Unchanged
Hilltop Holdings Inc.4,092$260.0K0.03%−266−6.1%Reduced
Private Advisor Group, LLC4,123$262.0K0.00%+4,123New
Public Employees Retirement Association of Colorado4,145$263.0K0.00%00.0%Unchanged
Sherbrooke Park Advisers LLC4,174$265.3K0.12%+4,174New
Lindenwold Advisors4,186$266.0K0.15%−45−1.1%Reduced
Royal Capital Wealth Management, LLC4,200$266.9K0.23%00.0%Unchanged
DGS Capital Management, LLC4,232$268.9K0.10%−282−6.2%Reduced
Citadel Investment Advisory, Inc.4,300$273.0K0.17%−75−1.7%Reduced
Shelton Capital Management4,352$276.6K0.01%−357−7.6%Reduced
Ethic Inc.4,396$279.4K0.01%−900−17.0%Reduced
Wrapmanager Inc4,431$281.6K0.08%−147−3.2%Reduced
Cadent Capital Advisors, LLC4,491$285.4K0.14%00.0%Unchanged
Great Diamond Partners, LLC4,520$287.2K0.07%+4+0.1%Added
O'Shaughnessy Asset Management, LLC4,577$290.9K0.00%−9,295−67.0%Reduced
Pitcairn Co4,600$292.3K0.02%−3−0.1%Reduced
Cullen Investment Group, Ltd.4,717$299.8K0.05%+4,717New
Commonwealth Equity Services, LLC4,770$303.0K0.00%−151−3.1%Reduced
Point72 Hong Kong Ltd5,034$319.9K0.02%+5,034New
CIBC Asset Management Inc5,303$337.0K0.00%−625−10.5%Reduced
Point72 Middle East FZE5,329$338.7K0.02%+5,329New
Investment House LLC5,432$345.2K0.02%00.0%Unchanged
Metis Global Partners, LLC5,584$354.9K0.01%+231+4.3%Added
Machina Capital S.A.S.5,669$360.3K0.23%+5,669New
Grant/GrossMendelsohn, LLC5,700$364.2K0.15%00.0%Unchanged
Prudential PLC5,924$376.5K0.00%00.0%Unchanged
HRT Financial LP5,943$377.0K0.00%−21,131−78.0%Reduced
Maverick Capital LtdSuperinvestorMaverick Capital5,963$378.9K0.01%+5,963New
JJJ Advisors Inc.5,993$381.3K0.09%−393−6.2%Reduced
Wilbanks Smith & Thomas Asset Management LLC6,066$385.5K0.01%00.0%Unchanged
ISAM Funds (UK) Ltd6,066$385.5K0.27%+6,066New
Brandes Investment Partners, LP6,069$385.7K0.01%+6,069New
DekaBank Deutsche Girozentrale6,119$389.0K0.00%−2,306−27.4%Reduced
Truepoint, Inc.6,155$391.1K0.01%+6,155New
Los Angeles Capital Management LLC6,361$404.2K0.00%+6,361New
Quantinno Capital Management LP6,383$406.0K0.01%−14,590−69.6%Reduced
Snowden Capital Advisors LLC6,421$408.1K0.02%+787+14.0%Added
Beaumont Financial Advisors, LLC6,483$412.0K0.04%−160−2.4%Reduced
FDx Advisors, Inc.6,499$413.0K0.03%+2,062+46.5%Added
Mariner, LLC6,542$415.7K0.00%−1,286−16.4%Reduced
AdvisorShares Investments LLC6,592$418.9K0.10%−77−1.2%Reduced
Haverford Trust Co6,613$420.3K0.00%00.0%Unchanged
Baker Tilly Wealth Management, LLC6,624$421.0K0.07%−1,887−22.2%Reduced
Marshall Wace, LLP6,800$432.1K0.00%+6,800New
First Citizens Bank & Trust Co6,812$432.9K0.01%+816+13.6%Added
Davis R M Inc6,864$436.2K0.01%−11,622−62.9%Reduced
Creative Planning7,160$455.0K0.00%−2,008−21.9%Reduced
Daiwa Securities Group Inc.7,300$464.0K0.00%+400+5.8%Added
Front Street Capital Management, Inc.7,328$466.0K0.09%+223+3.1%Added
Mercer Global Advisors Inc7,422$472.0K0.00%+250+3.5%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC7,625$484.6K0.03%00.0%Unchanged
Fayez Sarofim & Co7,300$486.5K0.00%00.0%Unchanged
Custom Index Systems, LLC7,889$501.3K0.32%+7,889New
Sumitomo Mitsui DS Asset Management Company, Ltd7,903$502.2K0.01%00.0%Unchanged
Canada Pension Plan Investment Board8,000$508.4K0.00%−12,000−60.0%Reduced