How many institutions held SST - System1, Inc. - Class A Common Stock, par value $0.0001 per share in Q3 2025?

1 institutional investor reported SST - System1, Inc. - Class A Common Stock, par value $0.0001 per share for Q3 2025. Use the holders table for investor-level position and value details.

System1, Inc. - Class A Common Stock, par value $0.0001 per share (SST)

Q: What does CUSIP 87200P109 represent in this 13F holders report?

CUSIP 87200P109 is the security identifier for SST - System1, Inc. - Class A Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

CUSIP: 87200P109

Q3 2025 13F Holders as of 30 Sep 2025

Security type / class: Equity / Class A Common Stock, par value $0.0001 per share
Total 13F shares: 38,866
Total 13F value: $43,530
Share change: +38,866
SEC-reported price per share: $1.12
Number of holders: 1
Value change: +$43,530
Number of buys: 1
Shares outstanding: 8,134,854

Security key

87200P109

Report period

Q3 2025

Institutions

Top holders

SST full security history Ownership snapshot Newer quarter: Q4 2025 System1, Inc. SEC filings System1, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 87200P109

Newer quarter: Q4 2025

Recent filing periods:

Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of SST - System1, Inc. - Class A Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Blend Family Foundation

Disclosed value leader

William P. Foley II

Comparable rows

1/15

Latest evidence

22 Aug 2025

13D/G 3/4/5 13F Lead comparable stake: 7% 14 rows are not safely comparable across share classes. 13D/G row: Blend Family Foundation Showing 1-6 of 15 holder rows.

Quick read

Blend Family Foundation leads the comparable SEC ownership view at 7%.

1 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Blend Family Foundation's linked filing trail.

Comparable ownership Top 1

Blend Family Foundation 7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Blend Family Foundation	13D/G The Blend Family Foundation 13D/G	7% Reported 13D/G · 02 May 2025	$2,107,129 5,545,077 shares	$0	02 May 2025
William P. Foley II	3/4/5 Director, 10%+ Owner 3/4/5	— denominator unverified	$133,445,586 6,625,898 shares	—	10 May 2022
BGPT Trebia LP	3/4/5 Director, 10%+ Owner 3/4/5	— denominator unverified	$89,640,703 4,450,879 shares	—	19 Apr 2022
Just Develop It Ltd	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$47,882,063 29,375,499 shares	—	28 Jan 2022
Cannae Holdings, Inc.	3/4/5 13F 10%+ Owner · Company 3/4/5 13F	— denominator unverified	$44,030,854 27,012,794 shares	—	06 Sep 2023
Stanley Blend	3/4/5 10%+ Owner 3/4/5	— mixed-class rows	$7,323,858 6,975,103 shares mixed-class rows	—	24 Dec 2024

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Archived quarter

Historical 13F summary for Q3 2025

This older quarter remains available as an indexed ownership summary. Detailed holder rows are no longer kept in the hot table for this period.

SST full security history Newer quarter: Q4 2025