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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.

Q2 2024 vs. Q1 2024

How the institutions holding SEI Investments Co changed between Q1 2024 and Q2 2024.

All holders in Q2 2024All holders in Q1 2024

13F holders of SEIC: Q1 2024 compared with Q2 2024
MeasureQ1 2024Of which not filed for Q2 2024Q2 2024Change
Holders4754493+22
Shares94.2M299.7K93.0M−926.0K (−1.0%)
Value$6.77B$21.6M$6.02B−$732.1M (−10.8%)

4 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (56)

Institutions that held SEI Investments Co at the end of Q2 2024 but not at the end of Q1 2024.

Institutions new to SEIC in Q2 2024
InstitutionSharesValue% of portfolio
Corebridge Financial, Inc.126,313$8.17M0.04%
Jupiter Asset Management Ltd120,372$7.79M0.07%
Fjarde AP-fonden (The Fourth Swedish National Pensionfund)73,647$4.76M0.05%
Trexquant Investment LP64,655$4.18M0.06%
D. E. Shaw & Co., Inc.55,197$3.57M0.01%
Sanctuary Advisors, LLC41,679$2.77M0.02%
Nebula Research & Development LLC38,123$2.47M0.40%
Connor, Clark & Lunn Investment Management Ltd.35,755$2.31M0.01%
Omers Administration Corp33,881$2.19M0.02%
Vinva Investment Management Ltd33,795$2.17M0.11%
SG Americas Securities, LLC22,161$1.43M0.01%
Pearl River Capital, LLC20,360$1.32M0.21%
Portman Square Capital LLP20,247$1.31M0.44%
Dynamic Technology Lab Private Ltd18,040$1.17M0.13%
XTX Topco Ltd15,671$1.01M0.09%
Lido Advisors, LLC15,390$995.6K0.01%
MQS Management LLC11,651$753.7K0.46%
Neo Ivy Capital Management11,496$744.0K0.15%
ISAM Funds (UK) Ltd10,813$699.5K0.52%
Oak Thistle LLC10,431$674.8K0.50%
Fox Run Management, L.L.C.10,325$667.9K0.13%
MBB Public Markets I LLC9,485$613.6K0.01%
Entropy Technologies, LP9,448$611.2K0.07%
Boothbay Fund Management, LLC8,326$538.6K0.02%
Headlands Technologies LLC7,619$492.9K0.05%
Twinbeech Capital LP6,881$445.1K0.01%
Veriti Management LLC5,474$354.1K0.02%
Ashton Thomas Securities, LLC5,356$344.5K0.08%
Two Sigma Securities, LLC5,085$328.9K0.02%
Gratus Capital LLC4,485$290.2K0.01%
Stonegate Investment Group, LLC3,689$238.6K0.01%
Hardy Reed LLC3,288$212.7K0.02%
Fifth Third Wealth Advisors LLC2,991$193.5K0.01%
Credit Agricole S A2,300$148.8K0.00%
Quarry LP2,105$136.2K0.06%
PEAK6 Investments LLC1,182$76.5K0.00%
Painted Porch Advisors LLC1,047$67.7K0.04%
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main803$51.9K0.00%
Aquatic Capital Management LLC800$51.8K0.00%
Fairfield Financial Advisors, LTD465$30.1K0.01%
Innealta Capital, LLC255$16.5K0.01%
First Horizon Advisors, Inc.229$14.8K0.00%
Stephens Consulting, LLC195$12.6K0.00%
Addison Advisors LLC179$11.6K0.00%
Concord Wealth Partners133$8.60K0.00%
CVA Family Office, LLC104$6.73K0.00%
Householder Group Estate & Retirement Specialist, LLC96$6.00K0.00%
Rothschild Investment LLC90$5.82K0.00%
Beach Investment Counsel Inc70$5.00K0.00%
Financial Network Wealth Advisors LLC71$4.59K0.00%
International Assets Investment Management, LLC37$2.39K0.00%
Proequities, Inc.34$2.20K0.00%
Harbour Investments, Inc.22$1.42K0.00%
Capital Advisors, Ltd. LLC8$1.00K0.00%
Kayne Anderson Rudnick Investment Management LLC7$4530.00%
TFC Financial Management1$650.00%

Sold out (34)

Institutions that held SEI Investments Co at the end of Q1 2024 and filed for Q2 2024 without it.

Not filed for Q2 2024 yet (4)

Institutions that held SEI Investments Co at the end of Q1 2024 and haven't filed a 13F for Q2 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding SEIC in Q1 2024 that haven't filed for Q2 2024
InstitutionShares, Q1 2024Value, Q1 2024
Credit Suisse AG214,209$15.4M
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund77,147$5.55M
Wilbanks Smith & Thomas Asset Management LLC6,079$437.1K
Degroof Petercam Asset Management2,300$165.4K