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

CUSIP: 87200P109

Q1 2025 13F Holders as of 31 Mar 2025

Holder snapshot 7 signals
Share change
-625,342
Put/Call ratio
0%
SEC-reported price per share
$0.38
Number of holders
53
Value change
-$568,131
Number of buys
20
Open additional details 1 more signal available
Number of sells
19
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
8,134,854

Security key

87200P109

Report period

Q1 2025

Institutions

53

Top holders

10

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
31 Dec 2024
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
Stanley Blend $7.32M

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
—
denominator unverified
$133,445,586
6,625,898 shares
— 10 May 2022
BGPT Trebia LP
3/4/5
Director, 10%+ Owner
—
denominator unverified
$89,640,703
4,450,879 shares
— 19 Apr 2022
Just Develop It Ltd
3/4/5
10%+ Owner
—
denominator unverified
$47,882,063
29,375,499 shares
— 28 Jan 2022
Cannae Holdings, Inc.
3/4/5 13F
10%+ Owner · Company
—
denominator unverified
$44,030,854
27,012,794 shares
— 06 Sep 2023
Stanley Blend
3/4/5
10%+ Owner
—
mixed-class rows
$7,323,858
6,975,103 shares
mixed-class rows
— 24 Dec 2024
Lone Star Friends Trust
3/4/5
10%+ Owner
—
denominator unverified
$2,775,323
1,850,215 shares
— 17 Jun 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.

13F holder rows

Institutional holders as of Q1 2025

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

Institutions
53
Shares
34,593,157
Rows available
53
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 Q1 2025 vs Q3 2025 Across Filers

Q3 2025 holders
1
Q1 2025 holders
53
Holder diff
52
Investor Q3 2025 Shares Q1 2025 Shares Share Diff Share Chg % Q3 2025 value Q1 2025 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .