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Company Profile · Institutional 13F Ownership

System1 Inc

Institutional 13F ownership snapshot — who holds this stock, how much, and how positions have evolved over time.

Latest Quarter

Q2 2026

Ticker

SST

Total Inst. Value

$1.4M

Aggregate 13F reported value

Inst. Holders

21

Managers holding this quarter

Largest Holder

BANK OF AMERICA CORP /DE/

By reported value

Next 3 Holders

VANGUARD CAPITAL MANAGEMENT LLC Cerity Partners LLC Crescent Grove Advisors, LLC

2nd-4th largest by value

Holdings Value Over Time

Quarterly trend based on reported 13F portfolio value.

Q2 2026
Largest Shareholders

Top institutional holders of this security by reported value, from the latest 13F cycle.

BANK OF AMERICA CORP /DE/ $0.4M
VANGUARD CAPITAL MANAGEMENT LLC $0.3M
Cerity Partners LLC $0.3M
Crescent Grove Advisors, LLC $0.2M
Institutional Stakeholders

Full list of managers reporting a position in this security for Q2 2026.

Manager Name Value Held Shares Held Class Type Discretion