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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.

Q4 2021 vs. Q3 2021

How the institutions holding SEI Investments Co changed between Q3 2021 and Q4 2021.

All holders in Q4 2021All holders in Q3 2021

13F holders of SEIC: Q3 2021 compared with Q4 2021
MeasureQ3 2021Of which not filed for Q4 2021Q4 2021Change
Holders4464472+30
Shares96.7M66.5K97.5M+862.3K (+0.9%)
Value$5.73B$3.94M$5.94B+$212.5M (+3.7%)

4 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (68)

Institutions that held SEI Investments Co at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to SEIC in Q4 2021
InstitutionSharesValue% of portfolio
Qube Research & Technologies Ltd186,601$11.4M0.09%
Allspring Global Investments Holdings, LLC105,314$6.42M0.01%
Thrive Wealth Management, LLC90,009$5.49M1.87%
Verition Fund Management LLC60,572$3.69M0.05%
Yousif Capital Management, LLC57,356$3.50M0.04%
NN Investment Partners Holdings N.V.43,100$2.63M0.01%
Banque Pictet & Cie SA41,571$2.53M0.02%
Chevy Chase Trust Holdings, Inc.37,766$2.30M0.01%
Monument Capital Management37,201$2.27M0.70%
Natixis33,182$2.02M0.01%
Pinebridge Investments, L.P.31,281$1.91M0.02%
Schechter Investment Advisors, LLC22,766$1.39M0.13%
Paloma Partners Management Co17,770$1.08M0.03%
Gould Capital, LLC17,152$1.04M0.73%
TrimTabs Asset Management, LLC16,947$1.03M0.51%
Jump Financial, LLC11,445$698.0K0.04%
Ossiam10,984$669.0K0.02%
Sciencast Management LP10,557$667.0K0.12%
TD Waterhouse Canada Inc.10,129$656.7K0.01%
Oak Thistle LLC9,911$604.0K0.47%
Forsta Ap-Fonden9,700$591.0K0.01%
Gotham Asset Management, LLC9,173$559.0K0.02%
Point72 Hong Kong Ltd8,766$534.0K0.04%
Ghe, LLC7,360$449.0K0.34%
Prelude Capital Management, LLC7,242$441.0K0.02%
Bailey Value Limited Partnership7,000$426.0K0.48%
AXA S.A.6,850$417.0K0.00%
GW Henssler & Associates Ltd6,495$396.0K0.03%
Susquehanna Fundamental Investments, LLC6,200$378.0K0.01%
Neuberger Berman Group LLC6,346$372.0K0.00%
Boothbay Fund Management, LLC5,992$365.0K0.01%
Old Mission Capital LLC5,862$357.0K0.02%
TownSquare Capital, LLC5,795$353.0K0.01%
Fox Run Management, L.L.C.5,731$349.0K0.21%
Lindenwold Advisors5,353$326.0K0.19%
Duality Advisers, LP4,837$295.0K0.03%
Keebeck Alpha, LP4,161$254.0K0.09%
Alphasimplex Group, LLC3,921$239.0K0.41%
Teza Capital Management LLC3,921$239.0K0.06%
PEAK6 Investments LLC3,930$239.0K0.01%
Pluribus Labs, LLC3,797$231.0K0.24%
Congress Wealth Management LLC3,795$231.0K0.00%
Pearl River Capital, LLC3,426$209.0K0.06%
JustInvest LLC3,412$208.0K0.01%
Balyasny Asset Management LLC3,321$202.0K0.00%
Modera Wealth Management, LLC3,307$202.0K0.01%
Mairs & Power Inc3,300$201.0K0.00%
Venturi Wealth Management, LLC2,600$158.0K0.01%
State of Wyoming1,607$98.0K0.05%
Washington Trust Advisors, Inc.1,433$87.0K0.01%
Seldon Capital LP1,122$68.0K0.04%
Covestor Ltd992$60.0K0.08%
Umb Bank N A844$52.0K0.00%
Harbor Investment Advisory, LLC807$49.0K0.01%
Trust Co of Vermont656$40.0K0.00%
Fortitude Advisory Group L.L.C.647$39.0K0.02%
CWM, LLC386$24.0K0.00%
National Bank of Canada378$23.0K0.00%
Delos Wealth Advisors, LLC248$15.0K0.01%
Quent Capital, LLC207$13.0K0.00%
JFS Wealth Advisors, LLC36$2.00K0.00%
CVA Family Office, LLC30$2.00K0.00%
Confluence Wealth Services, Inc.35$2.00K0.00%
Cullen/Frost Bankers, Inc.18$1.00K0.00%
Blue Bell Private Wealth Management, LLC11$1.00K0.00%
Schubert & Co23$1.00K0.00%
CoreCap Advisors, LLC14$1.00K0.00%
Sutton Wealth Advisors Inc.12$7310.00%

Sold out (38)

Institutions that held SEI Investments Co at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of SEIC in Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
Sunriver Management LLC265,162$15.7M
Schonfeld Strategic Advisors LLC175,000$10.4M
Prana Capital Management, LP157,717$9.35M
HRT Financial LP154,537$9.16M
AMP Capital Investors Ltd115,651$6.87M
Ergoteles LLC88,500$5.25M
Redwood Investment Management, LLC67,571$4.01M
Jupiter Asset Management Ltd61,135$3.63M
Mandatum Life Insurance Co Ltd54,859$3.25M
Assenagon Asset Management S.A.53,566$3.18M
Bank of Nova Scotia24,000$1.42M
MUFG Securities EMEA plc23,200$1.38M
Kingsview Wealth Management, LLC15,404$913.0K
Alpha Paradigm Partners, LLC11,750$697.0K
Maverick Capital LtdSuperinvestorMaverick Capital11,259$668.0K
Polar Asset Management Partners Inc.9,887$586.0K
E. Ohman J:or Asset Management AB7,200$427.0K
Public Sector Pension Investment Board5,560$330.0K
Pendal Group Limited5,124$304.0K
Simplex Trading, LLC3,968$247.0K
Kore Private Wealth LLC3,661$217.0K
Brewin Dolphin Ltd3,400$201.6K
Pinz Capital Management, LP3,000$178.0K
Quantbot Technologies LP1,161$68.0K
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main1,134$67.2K
Global Retirement Partners, LLC1,095$65.0K
O'Shaughnessy Asset Management, LLC604$36.0K
Gerber Kawasaki Wealth & Investment Management433$25.0K
Dark Forest Capital Management LP228$14.0K
Patriot Financial Group Insurance Agency, LLC151$9.00K
Bartlett & Co. LLC131$8.00K
Bartlett & Co. Wealth Management LLC131$7.77K
D'Orazio & Associates, Inc.85$5.00K
Arkadios Wealth Advisors74$4.00K
Red Tortoise LLC33$2.00K
1832 Asset Management L.P.20$1.00K
Meridian Wealth Partners, LLC15$1.00K
Consolidated Planning Corp2$0

Not filed for Q4 2021 yet (4)

Institutions that held SEI Investments Co at the end of Q3 2021 and haven't filed a 13F for Q4 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding SEIC in Q3 2021 that haven't filed for Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
BBVA USA53,373$3.17M
B. Metzler seel. Sohn & Co. Holding AG7,775$461.0K
World Asset Management Inc4,855$288.0K
Berman Capital Advisors, LLC509$30.0K