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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 11 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.

Q3 2021 vs. Q2 2021

How the institutions holding SEI Investments Co changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of SEIC: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders4406446+12
Shares97.6M64.6K96.7M−835.6K (−0.9%)
Value$6.04B$4.00M$5.73B−$308.3M (−5.1%)

6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (42)

Institutions that held SEI Investments Co at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to SEIC in Q3 2021
InstitutionSharesValue% of portfolio
Tudor Investment Corp Et Al65,221$3.87M0.08%
Jupiter Asset Management Ltd61,135$3.63M0.04%
Pictet Asset Management SA51,552$3.06M0.00%
O'Shares Investment Advisers, LLC51,109$3.03M0.22%
Courant Investment Management LLC34,707$2.06M1.74%
USS Investment Management Ltd26,941$1.60M0.01%
Gsa Capital Partners LLP24,990$1.48M0.15%
Bank of Nova Scotia24,000$1.42M0.00%
MUFG Securities EMEA plc23,200$1.38M0.02%
Cypress Capital, LLC17,964$1.06M0.14%
Kingsview Wealth Management, LLC15,404$913.0K0.04%
Patton Albertson Miller Group, LLC11,800$700.0K0.13%
Alpha Paradigm Partners, LLC11,750$697.0K0.28%
Two Sigma Advisers, LP11,600$688.0K0.00%
Occudo Quantitative Strategies LP11,178$663.0K0.08%
Polar Asset Management Partners Inc.9,887$586.0K0.01%
Engineers Gate Manager LP8,225$488.0K0.03%
E. Ohman J:or Asset Management AB7,200$427.0K0.01%
Pendal Group Limited5,124$304.0K0.00%
Petrus Trust Company, LTA4,434$263.0K0.03%
Quadrature Capital Ltd4,286$254.0K0.01%
CWM Advisors, LLC3,885$230.0K0.03%
Bokf, NA3,763$223.0K0.00%
Pinz Capital Management, LP3,000$178.0K0.08%
South State Corp.2,139$127.0K0.01%
PFG Private Wealth Management, LLC1,254$74.0K0.04%
Twin Tree Management, LP891$53.0K0.00%
Group One Trading, L.P.500$30.0K0.00%
Gerber Kawasaki Wealth & Investment Management433$25.0K0.00%
Baillie Gifford & Co400$24.0K0.00%
Koshinski Asset Management, Inc.189$11.2K0.00%
Allworth Financial LP192$11.0K0.00%
Crewe Advisors LLC166$10.0K0.00%
Vigilant Capital Management, LLC93$6.00K0.00%
D'Orazio & Associates, Inc.85$5.00K0.00%
Asset Dedication, LLC63$4.00K0.00%
Red Tortoise LLC33$2.00K0.00%
1832 Asset Management L.P.20$1.00K0.00%
Manchester Capital Management LLC23$1.00K0.00%
Meridian Wealth Partners, LLC15$1.00K0.00%
Bell Investment Advisors, Inc18$1.00K0.00%
Consolidated Planning Corp2$00.00%

Sold out (30)

Institutions that held SEI Investments Co at the end of Q2 2021 and filed for Q3 2021 without it.

Not filed for Q3 2021 yet (6)

Institutions that held SEI Investments Co at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding SEIC in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Pictet Asset Management Ltd51,286$3.18M
Hoover Financial Advisors, Inc.10,117$627.0K
PNC Managed Account Solutions, Inc.2,697$167.0K
CWM, LLC194$12.0K
Castleview Partners, LLC191$12.0K
First Horizon Corp105$6.00K