How many institutions held SST - System1, Inc. - Class A Common Stock, par value $0.0001 per share in Q4 2023?

49 institutional investors reported SST - System1, Inc. - Class A Common Stock, par value $0.0001 per share for Q4 2023. 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

Q4 2023 13F Holders as of 31 Dec 2023

Security type / class: Equity / Class A Common Stock, par value $0.0001 per share
Total 13F shares: 34,582,063
Total 13F value: $76,772,862
Share change: +241,005
Put/Call ratio: 7.1%
SEC-reported price per share: $2.22
Number of holders: 49
Value change: +$838,896
Number of buys: 27
Number of sells: 15
Shares outstanding: 8,134,854

Security key

87200P109

Report period

Q4 2023

Institutions

Top holders

SST full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 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: Q3 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

William P. Foley II

Disclosed value leader

William P. Foley II

Comparable rows

0/15

Latest evidence

30 Sep 2023

3/4/5 13F Highest disclosed value: $133,445,586 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

William P. Foley II has the largest disclosed position value at $133.45M.

0 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 William P. Foley II's linked filing trail.

Disclosed position value Top 5

William P. Foley II $133.45M

BGPT Trebia LP $89.64M

Just Develop It Ltd $47.88M

Cannae Holdings, Inc. $44.03M

Christopher Stephen Phillips $260.8K

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

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

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
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
Christopher Stephen Phillips	3/4/5 Director, 10%+ Owner 3/4/5	— denominator unverified	$260,800 160,000 shares	—	31 Jul 2023
BlackRock Finance, Inc.	13F Company 13F	— denominator unverified	$2,339,103 1,933,143 shares	—	30 Sep 2023

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.

13F holder rows

Institutional holders as of Q4 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

34,582,063

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2023 vs Q3 2025 Across Filers

Q3 2025 holders

Q4 2023 holders

Holder diff

Investor	Q3 2025 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend