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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 2024

Institutional positions in SEI Investments Co as of Dec 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
540
+45 vs. Q3 2024
Shares held
91.2M
+90.1K (+0.1%) vs. Q3 2024
Total value
$7.52B
+$1.22B (+19.3%) vs. Q3 2024
New holders
95
160 more added
Sold out
50
186 more reduced

7 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 540 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 2024: $7.52B
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 2024

Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q3 2024.

Institutions holding SEIC in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
South State Corp.953$78.6K0.01%+23+2.5%Added
Steward Partners Investment Advisory, LLC959$79.1K0.00%−647−40.3%Reduced
Innovative Advisory Group, LLC1,000$82.5K0.07%+1,000New
Northwestern Mutual Wealth Management Co1,064$87.8K0.00%−67−5.9%Reduced
Ronald Blue Trust, Inc.1,153$95.1K0.00%−2,024−63.7%Reduced
Fifth Third Bancorp1,206$99.5K0.00%−56−4.4%Reduced
Swedbank AB1,298$107.1K0.00%00.0%Unchanged
Principal Securities, Inc.1,324$109.2K0.00%+155+13.3%Added
Sachetta, LLC1,414$116.6K0.05%00.0%Unchanged
Global Retirement Partners, LLC1,450$119.6K0.00%+169+13.2%Added
Quadrant Capital Group LLC1,466$120.9K0.01%00.0%Unchanged
Painted Porch Advisors LLC1,554$128.2K0.06%+507+48.4%Added
SRS Capital Advisors, Inc.1,620$133.6K0.01%+8+0.5%Added
iA Global Asset Management Inc.1,633$135.0K0.00%−60−3.5%Reduced
Hills Bank & Trust Co1,713$141.3K0.01%00.0%Unchanged
Bryn Mawr Trust Co1,775$146.4K0.00%−3,635−67.2%Reduced
Globeflex Capital L P1,800$148.5K0.01%+1,800New
Hollencrest Capital Management1,896$156.4K0.01%00.0%Unchanged
Bessemer Group Inc1,921$158.0K0.00%+101+5.5%Added
Kapitalo Investimentos Ltda1,983$163.6K0.11%+1,983New
Venturi Wealth Management, LLC2,105$173.6K0.01%+144+7.3%Added
Covestor Ltd2,133$176.0K0.11%+7+0.3%Added
Icon Wealth Advisors, LLC2,222$183.3K0.02%+11+0.5%Added
Prudential PLC2,429$200.3K0.00%+2,429New
Great Diamond Partners, LLC2,463$203.1K0.05%+2,463New
Tokio Marine Asset Management Co Ltd2,485$205.0K0.01%+2,485New
Entropy Technologies, LP2,501$206.3K0.02%+2,501New
Paces Ferry Wealth Advisors, LLC2,504$206.5K0.10%+2,504New
Lakeview Capital Partners, LLC2,511$207.1K0.05%+2,511New
International Assets Investment Management, LLC2,556$209.4K0.02%−4−0.2%Reduced
HTLF Bank2,600$214.4K0.02%+2,600New
Allstate Corp2,614$215.6K0.01%+2,614New
Grant/GrossMendelsohn, LLC2,600$215.7K0.11%+2,600New
Alliance Wealth Advisors, LLC2,618$215.9K0.06%+2,618New
TrueWealth Advisors, LLC2,640$217.7K0.07%+2,640New
GWM Advisors LLC2,693$222.1K0.00%−366−12.0%Reduced
J.W. Cole Advisors, Inc.2,720$224.3K0.01%+2,720New
Kestra Private Wealth Services, LLC2,730$225.2K0.00%+2,730New
Leo Wealth, LLC2,772$228.6K0.02%+2,772New
Hilltop Holdings Inc.2,787$229.9K0.01%+2,787New
Signaturefd, LLC2,818$232.4K0.00%−21−0.7%Reduced
Avantra Family Wealth, Inc.2,850$235.1K0.22%+2,850New
B. Metzler seel. Sohn & Co. AG2,882$237.7K0.00%+2,882New
Change Path, LLC2,928$241.5K0.01%+2,928New
Captrust Financial Advisors2,946$243.0K0.00%−319−9.8%Reduced
Headlands Technologies LLC2,988$246.4K0.02%−11,586−79.5%Reduced
Icapital Wealth LLC3,008$248.1K0.14%+3,008New
NBT Bank N A3,026$249.6K0.02%00.0%Unchanged
BTS Asset Management, Inc.3,073$253.5K0.25%+3,073New
Applied Finance Capital Management, LLC3,110$256.5K0.01%00.0%Unchanged
Axq Capital, LP3,119$257.3K0.12%+3,119New
Meeder Advisory Services, Inc.3,122$257.5K0.02%+3,122New
Huntington National Bank3,152$260.0K0.00%+2,815+835.3%Added
Royal Capital Wealth Management, LLC3,200$263.9K0.19%−800−20.0%Reduced
Longboard Asset Management, LP3,235$266.8K0.71%+3,235New
Hardy Reed LLC3,288$271.2K0.02%00.0%Unchanged
Mairs & Power Inc3,300$272.2K0.00%00.0%Unchanged
Kestra Advisory Services, LLC3,322$274.0K0.00%+10.0%Added
Standard Life Aberdeen plc3,382$278.9K0.00%+359+11.9%Added
Colony Group, LLC3,406$280.9K0.00%+3,406New
Stonegate Investment Group, LLC3,420$282.1K0.01%−269−7.3%Reduced
State of Wyoming3,527$290.9K0.04%−1,186−25.2%Reduced
Pitcairn Co3,552$293.0K0.02%00.0%Unchanged
Northstar Financial Companies, Inc.3,641$300.3K0.28%+3,641New
Fifth Third Wealth Advisors LLC3,656$301.5K0.02%+57+1.6%Added
Shelton Capital Management3,731$307.7K0.01%−199−5.1%Reduced
Bayforest Capital Ltd3,756$309.8K0.39%+3,756New
Cullen Investment Group, Ltd.3,841$316.8K0.05%−640−14.3%Reduced
Morningstar Investment Management LLC3,880$320.0K0.03%00.0%Unchanged
Cooper Financial Group3,885$320.4K0.04%+3,885New
Citadel Investment Advisory, Inc.3,940$325.0K0.17%00.0%Unchanged
Janus Henderson Group PLC3,947$325.7K0.00%00.0%Unchanged
Lindenwold Advisors3,971$327.5K0.17%−150−3.6%Reduced
WBH Advisory Inc4,000$329.9K0.03%00.0%Unchanged
Carbahal Olsen Financial Services Group, LLC4,000$329.9K0.30%+4,000New
Public Employees Retirement Association of Colorado4,145$342.0K0.00%00.0%Unchanged
Cadent Capital Advisors, LLC4,157$342.9K0.12%00.0%Unchanged
Ci Investments Inc.4,180$345.0K0.00%+1,331+46.7%Added
Bridgefront Capital, LLC4,185$345.2K0.12%+4,185New
Florida Financial Advisors, LLC4,249$350.4K0.16%+4,249New
Kestra Investment Management, LLC4,360$359.6K0.01%+4,360New
MJP Associates Inc4,366$360.1K0.06%+4,366New
Commonwealth Equity Services, LLC4,450$367.0K0.00%−38−0.8%Reduced
AXA S.A.4,455$367.4K0.00%+4,455New
Ethic Inc.4,472$368.8K0.01%−5,531−55.3%Reduced
CAPROCK Group, Inc.4,488$372.4K0.01%+113+2.6%Added
Valley National Advisers Inc4,539$374.0K0.07%−3,919−46.3%Reduced
Meiji Yasuda Life Insurance Co4,591$378.7K0.01%+160+3.6%Added
Legacy Financial Advisors, Inc.4,652$383.7K0.06%+93+2.0%Added
Taika Capital, LP4,700$387.7K0.30%+4,700New
Versor Investments LP4,729$390.0K0.07%−30,656−86.6%Reduced
M&T Bank Corp4,736$390.6K0.00%−245−4.9%Reduced
MML Investors Services, LLC4,813$397.0K0.00%+1,341+38.6%Added
Legacy Advisors, LLC4,793$397.7K0.04%+4,793New
GAMMA Investing LLC4,869$401.6K0.03%+1,509+44.9%Added
Snowden Capital Advisors LLC4,885$405.3K0.01%+29+0.6%Added
CIBC World Markets Corp4,996$412.1K0.00%−1,512−23.2%Reduced
Machina Capital S.A.S.5,003$412.6K0.17%+5,003New
Virtus Investment Advisers, Inc.5,100$420.6K0.33%+5,100New
Advisor OS, LLC5,103$420.9K0.05%+5,103New