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System1, Inc.

SST
Exchange
NYSE
Industry
Services-Computer Programming, Data Processing, Etc.
SEC CIK
0001805833

No open-market purchases or sales by System1, Inc. insiders were filed in the last 90 days; 21 institutions reported holding it in 13F filings for Q2 2026, worth $1.38M in total; no superinvestor holds it.

Other share classesSSTPW

Q3 2024 vs. Q2 2024

How the institutions holding System1, Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of SST: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders60160+1
Shares34.9M1.73M34.9M+1.75M (+5.3%)
Value$53.0M$2.64M$39.1M−$11.3M (−22.4%)

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (7)

Institutions that held System1, Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to SST in Q3 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.1,892,871$2.12M0.00%
ExodusPoint Capital Management, LP20,497$23.0K0.00%
Engineers Gate Manager LP15,236$17.1K0.00%
Citadel Advisors LLC9,075$10.2K0.00%
Russell Investments Group, Ltd.175$1960.00%
Capital Performance Advisors LLP104$1160.00%
Sterling Capital Management LLC24$270.00%

Sold out (6)

Institutions that held System1, Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of SST in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
Y-Intercept (Hong Kong) Ltd29,599$45.0K
Squarepoint Ops LLC20,703$31.5K
Centiva Capital, LP18,217$27.7K
HSBC Holdings PLC12,096$17.5K
Neuberger Berman Group LLC11,422$17.4K
Macquarie Group Ltd613$932

Not filed for Q3 2024 yet (1)

Institutions that held System1, Inc. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding SST in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.1,733,634$2.64M