Skip to main content

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 2023

Institutional positions in SEI Investments Co as of Mar 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
444
+3 vs. Q4 2022
Shares held
92.9M
−484.0K (−0.5%) vs. Q4 2022
Total value
$5.36B
−$88.6M (−1.6%) vs. Q4 2022
New holders
41
140 more added
Sold out
38
176 more reduced

5 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2023: 444 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 2023: $5.36B
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 2023

Shares, value and share of portfolio for each institution holding SEI Investments Co; share changes are against Q4 2022.

Institutions holding SEIC in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Clear Street Markets LLC1$00.00%+1New
Avion Wealth8$00.00%+8New
Summit Wealth Group, LLC10,935$00.00%+10,935New
Eagle Bay Advisors LLC0$150.00%0Unchanged
Parkside Financial Bank & Trust4$2310.00%00.0%Unchanged
TFC Financial Management4$2310.00%+4New
Tfo-TDC, LLC5$2880.00%−266−98.2%Reduced
Kayne Anderson Rudnick Investment Management LLC5$2880.00%+5New
Larson Financial Group LLC10$5840.00%00.0%Unchanged
Massmutual Trust Co FSB12$6910.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC12$6910.00%00.0%Unchanged
Raffa Wealth Management, LLC17$9780.00%00.0%Unchanged
Financial Management Professionals, Inc.10$1.00K0.00%+10New
Morton Brown Family Wealth, LLC20$1.15K0.00%+20New
Glassman Wealth Services22$1.27K0.00%+11+100.0%Added
SJS Investment Consulting Inc.25$1.44K0.00%−10−28.6%Reduced
Disciplined Investments, LLC27$1.55K0.00%+2+8.0%Added
Versant Capital Management, Inc31$1.78K0.00%00.0%Unchanged
TD Private Client Wealth LLC33$1.90K0.00%00.0%Unchanged
Red Tortoise LLC33$1.90K0.00%00.0%Unchanged
Lindbrook Capital, LLC34$1.96K0.00%+7+25.9%Added
Concord Wealth Partners35$2.01K0.00%00.0%Unchanged
C M Bidwell & Associates Ltd40$2.30K0.00%+5+14.3%Added
Earnest Partners LLC42$2.42K0.00%00.0%Unchanged
Cary Street Partner Investment Advisory LLC44$2.53K0.00%00.0%Unchanged
Allworth Financial LP45$2.59K0.00%−12−21.1%Reduced
AdvisorNet Financial, Inc45$2.59K0.00%+9+25.0%Added
Farmers & Merchants Investments Inc48$2.76K0.00%00.0%Unchanged
Montag A & Associates Inc49$2.82K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.50$2.88K0.00%00.0%Unchanged
Baystate Wealth Management LLC53$3.06K0.00%+1+1.9%Added
Livforsakringsbolaget Skandia, Omsesidigt54$3.11K0.00%00.0%Unchanged
Bell Investment Advisors, Inc54$3.11K0.00%+14+35.0%Added
First Horizon Advisors, Inc.58$3.35K0.00%+1+1.8%Added
Schubert & Co63$3.63K0.00%−9−12.5%Reduced
GWM Advisors LLC82$4.72K0.00%−1−1.2%Reduced
Tradition Wealth Management, LLC82$5.00K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC105$6.04K0.00%−19−15.3%Reduced
Prestige Wealth Management Group LLC105$6.04K0.00%00.0%Unchanged
Quent Capital, LLC109$6.29K0.00%00.0%Unchanged
Investors Research Corp121$6.96K0.00%00.0%Unchanged
Bessemer Group Inc130$7.00K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc130$7.48K0.00%00.0%Unchanged
Bartlett & Co. Wealth Management LLC131$7.54K0.00%00.0%Unchanged
Bartlett & Co. LLC131$8.00K0.00%00.0%Unchanged
Crewe Advisors LLC166$9.55K0.00%−24−12.6%Reduced
North Star Investment Management Corp.169$9.73K0.00%+169New
Huntington National Bank188$10.8K0.00%−9−4.6%Reduced
Belpointe Asset Management LLC195$11.2K0.00%00.0%Unchanged
Anchor Investment Management, LLC200$11.5K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.238$13.0K0.00%−35−12.8%Reduced
Zions Bancorporation, N.A.277$15.9K0.00%00.0%Unchanged
Geneos Wealth Management Inc.295$17.0K0.00%00.0%Unchanged
Denali Advisors LLC300$17.3K0.01%−543−64.4%Reduced
HM Payson & Co300$17.3K0.00%−345−53.5%Reduced
New Hampshire Trust300$17.3K0.00%00.0%Unchanged
BI Asset Management Fondsmaeglerselskab A/S321$18.0K0.00%−12,649−97.5%Reduced
M&R Capital Management Inc315$18.2K0.01%+2+0.6%Added
Creative Financial Designs Inc320$18.4K0.00%00.0%Unchanged
Leonteq Securities AG322$18.5K0.00%+322New
Northwestern Mutual Wealth Management Co362$20.8K0.00%+115+46.6%Added
National Bank of Canada370$21.3K0.00%−59,536−99.4%Reduced
CoreFirst Bank & Trust373$21.5K0.02%00.0%Unchanged
Asset Dedication, LLC383$22.0K0.00%00.0%Unchanged
AM Squared Ltd400$23.0K0.02%−1,600−80.0%Reduced
First Manhattan Co400$23.0K0.00%−300−42.9%Reduced
Global Retirement Partners, LLC426$24.9K0.00%+82+23.8%Added
Fairfield Financial Advisors, LTD465$26.3K0.01%00.0%Unchanged
Central Trust Co481$27.7K0.00%00.0%Unchanged
Baillie Gifford & Co508$29.2K0.00%+37+7.9%Added
Washington Trust Advisors, Inc.533$30.7K0.00%+42+8.6%Added
EverSource Wealth Advisors, LLC592$34.1K0.00%00.0%Unchanged
Umb Bank N A600$34.5K0.00%−71−10.6%Reduced
Artemis Wealth Advisors, LLC603$34.7K0.01%−8−1.3%Reduced
Hazlett, Burt & Watson, Inc.600$35.0K0.03%00.0%Unchanged
Farther Finance Advisors, LLC609$35.0K0.01%−10−1.6%Reduced
Whittier Trust Co620$35.7K0.00%00.0%Unchanged
Spire Wealth Management634$36.5K0.00%00.0%Unchanged
Harel Insurance Investments & Financial Services Ltd.711$40.0K0.00%00.0%Unchanged
Private Trust Co NA714$41.1K0.01%00.0%Unchanged
International Assets Investment Management, LLC778$44.8K0.01%+778New
Harbor Investment Advisory, LLC810$46.6K0.01%+3+0.4%Added
Loring Wolcott & Coolidge Fiduciary Advisors LLP900$51.8K0.00%00.0%Unchanged
Ostrum Asset Management912$52.5K0.00%+912New
South State Corp.930$53.5K0.00%−237−20.3%Reduced
Endurance Wealth Management, Inc.1,000$58.0K0.01%00.0%Unchanged
Advisory Services Network, LLC1,036$59.6K0.00%−5−0.5%Reduced
Private Ocean, LLC1,200$69.1K0.01%00.0%Unchanged
Machina Capital S.A.S.1,210$69.6K0.06%+1,210New
Smithfield Trust Co1,195$70.0K0.00%00.0%Unchanged
Mendota Financial Group, LLC1,169$70.4K0.07%−299−20.4%Reduced
Fifth Third Bancorp1,225$70.5K0.00%−23−1.8%Reduced
Swedbank AB1,298$74.7K0.00%00.0%Unchanged
Quadrant Capital Group LLC1,310$75.4K0.01%+130+11.0%Added
Industrial Alliance Investment Management Inc.1,342$77.0K0.00%+1,342New
Toth Financial Advisory Corp1,391$80.1K0.01%+25+1.8%Added
SRS Capital Advisors, Inc.1,396$80.3K0.01%+1+0.1%Added
Ci Investments Inc.1,606$92.0K0.00%+12+0.8%Added
Ameritas Advisory Services, LLC1,600$93.7K0.00%+1,600New
Gladius Capital Management LP1,737$100.0K0.03%−142−7.6%Reduced