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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
Fairman Group, LLC1$610.00%00.0%Unchanged
Parkside Financial Bank & Trust4$2880.00%00.0%Unchanged
Tfo-TDC, LLC5$3600.00%−4−44.4%Reduced
C M Bidwell & Associates Ltd6$4310.00%+6New
AdvisorNet Financial, Inc10$7190.00%00.0%Unchanged
Larson Financial Group LLC10$7410.00%00.0%Unchanged
Massmutual Trust Co FSB12$8630.00%00.0%Unchanged
Financial Management Professionals, Inc.10$1.00K0.00%00.0%Unchanged
Raffa Wealth Management, LLC17$1.22K0.00%00.0%Unchanged
Granite FO LLC21$1.41K0.00%+21New
DiNuzzo Private Wealth, Inc.23$1.65K0.00%00.0%Unchanged
National Bank of Canada30$2.05K0.00%00.0%Unchanged
SJS Investment Consulting Inc.29$2.09K0.00%+3+11.5%Added
Versant Capital Management, Inc31$2.23K0.00%00.0%Unchanged
Red Tortoise LLC33$2.37K0.00%00.0%Unchanged
Sunbelt Securities, Inc.35$2.52K0.00%00.0%Unchanged
St Germain D J Co Inc35$2.52K0.00%+35New
Geneos Wealth Management Inc.37$2.66K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.40$2.88K0.00%+40New
Abich Financial Wealth Management LLC42$3.02K0.00%+8+23.5%Added
West Paces Advisors Inc.42$3.02K0.00%+42New
Lindbrook Capital, LLC43$3.09K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc44$3.16K0.00%00.0%Unchanged
New Covenant Trust Company, N.A.44$3.16K0.00%+44New
Montag A & Associates Inc46$3.31K0.00%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt54$3.88K0.00%00.0%Unchanged
Avion Wealth47$4.00K0.00%+20+74.1%Added
Creative Financial Designs Inc60$4.31K0.00%00.0%Unchanged
Private Wealth Management Group, LLC63$4.53K0.00%00.0%Unchanged
Kiely Wealth Advisory Group, Inc.75$5.03K0.00%00.0%Unchanged
Webster Bank, N. A.73$5.25K0.00%+73New
Bell Investment Advisors, Inc87$6.26K0.00%+15+20.8%Added
JFS Wealth Advisors, LLC94$6.76K0.00%00.0%Unchanged
Clearstead Advisors, LLC108$7.32K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC105$7.55K0.00%00.0%Unchanged
Caitlin John, LLC108$7.78K0.01%−45−29.4%Reduced
Cullen/Frost Bankers, Inc.120$8.63K0.00%00.0%Unchanged
Huntington National Bank127$9.13K0.00%−35−21.6%Reduced
Tortoise Investment Management, LLC129$9.28K0.00%+29+29.0%Added
Whittier Trust Co of Nevada Inc130$9.35K0.00%00.0%Unchanged
Bartlett & Co. Wealth Management LLC131$9.42K0.00%00.0%Unchanged
Frazier Financial Advisors, LLC157$11.3K0.01%00.0%Unchanged
GWM Advisors LLC162$11.6K0.00%−75−31.6%Reduced
Jones Financial Companies LLLP164$11.8K0.00%+164New
North Star Investment Management Corp.171$12.3K0.00%+1+0.6%Added
Smartleaf Asset Management LLC172$12.4K0.00%+154+855.6%Added
Spire Wealth Management188$13.5K0.00%00.0%Unchanged
Redmont Wealth Advisors LLC192$13.8K0.02%+192New
Covestor Ltd199$14.0K0.01%−1,888−90.5%Reduced
Anchor Investment Management, LLC200$14.4K0.00%00.0%Unchanged
IFP Advisors, Inc215$15.5K0.00%+18+9.1%Added
Quent Capital, LLC216$15.6K0.00%+8+3.8%Added
Global X Japan Co., Ltd.219$15.7K0.00%−329−60.0%Reduced
Rise Advisors, LLC224$16.1K0.01%+224New
Ronald Blue Trust, Inc.227$16.3K0.00%−167−42.4%Reduced
Mather Group, LLC.276$17.5K0.00%+276New
LGT Financial Advisors LLC245$17.6K0.02%00.0%Unchanged
Arlington Trust Co LLC248$17.8K0.00%00.0%Unchanged
Sandy Spring Bank256$18.4K0.00%+256New
CIBC Private Wealth Group, LLC273$19.4K0.00%+273New
Zions Bancorporation, N.A.277$19.9K0.00%00.0%Unchanged
M&R Capital Management Inc290$20.9K0.01%−28−8.8%Reduced
HM Payson & Co300$21.6K0.00%00.0%Unchanged
Allworth Financial LP329$23.7K0.00%+215+188.6%Added
CoreFirst Bank & Trust373$26.8K0.02%00.0%Unchanged
WealthCollab, LLC375$27.0K0.02%00.0%Unchanged
Asset Dedication, LLC383$28.0K0.00%00.0%Unchanged
First Manhattan Co400$28.8K0.00%00.0%Unchanged
Altshuler Shaham Ltd407$29.3K0.00%+407New
DHJJ Financial Advisors, Ltd.445$32.0K0.01%00.0%Unchanged
VisionPoint Advisory Group, LLC493$35.4K0.01%−21−4.1%Reduced
Farther Finance Advisors, LLC514$36.4K0.00%00.0%Unchanged
Gladius Capital Management LP522$37.5K0.04%−118−18.4%Reduced
Washington Trust Advisors, Inc.526$37.8K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC626$41.3K0.00%+275+78.3%Added
Central Trust Co582$41.8K0.00%00.0%Unchanged
Hazlett, Burt & Watson, Inc.600$43.0K0.03%00.0%Unchanged
Bessemer Group Inc595$43.0K0.00%+386+184.7%Added
Whittier Trust Co620$44.6K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC650$46.7K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.814$58.5K0.01%00.0%Unchanged
Loring Wolcott & Coolidge Fiduciary Advisors LLP900$60.3K0.00%00.0%Unchanged
Fifth Third Bancorp864$62.1K0.00%−70−7.5%Reduced
Evolution Advisers, Inc.873$63.0K0.04%00.0%Unchanged
Ostrum Asset Management910$65.4K0.01%00.0%Unchanged
South State Corp.930$66.9K0.01%00.0%Unchanged
Global Retirement Partners, LLC948$68.2K0.00%+233+32.6%Added
Toth Financial Advisory Corp966$69.5K0.01%−225−18.9%Reduced
Private Trust Co NA980$70.5K0.01%+282+40.4%Added
Northwestern Mutual Wealth Management Co1,029$74.0K0.00%−210−16.9%Reduced
Principal Securities, Inc.1,047$75.3K0.00%+8+0.8%Added
iA Global Asset Management Inc.1,149$83.0K0.00%−70−5.7%Reduced
Smithfield Trust Co1,195$86.0K0.00%00.0%Unchanged
Private Ocean, LLC1,200$86.3K0.01%00.0%Unchanged
Sachetta, LLC1,400$89.0K0.04%00.0%Unchanged
Swedbank AB1,298$93.3K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC1,384$99.5K0.00%+369+36.4%Added
Mendota Financial Group, LLC1,468$105.5K0.06%00.0%Unchanged
Impact Partnership Wealth, LLC1,477$106.2K0.04%−43−2.8%Reduced
GAMMA Investing LLC1,496$107.6K0.02%+257+20.7%Added