System1, Inc. - CL A COM (SST)

CUSIP: 87200P208

Q3 2025 13F Holders as of 30 Sep 2025

Share change
-39,449
SEC-reported price per share
$7.04
Number of holders
30
Value change
-$188,411
Number of buys
8
Number of sells
20

Security key

87200P208

Report period

Q3 2025

Institutions

30

Top holders

10

Ownership snapshot

Top reported holders of SST - System1, Inc. - CL A COM (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
9/15
Latest evidence
22 Aug 2025
13D/G 3/4/5 13F Lead comparable stake: 7% 6 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%.

9 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 5
Blend Family Foundation 7%
Charles Ursini 4.5%
John Civantos 0.87%
Frank R. Martire 0.51%
Moujan Kazerani 0.5%

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
7%
$2,107,129
5,545,077 shares
$0 02 May 2025
Charles Ursini
3/4/5
President & COO, Director
4.5%
$132,300
367,500 shares
29 Jul 2025
John Civantos
3/4/5
Director
0.87%
$25,420
70,613 shares
31 Jul 2025
Frank R. Martire
3/4/5
Director
0.51%
$14,967
41,575 shares
31 Jul 2025
Moujan Kazerani
3/4/5
Director
0.5%
$14,505
40,292 shares
31 Jul 2025
Ryan R. Caswell
3/4/5
Director
0.47%
$13,887
38,577 shares
31 Jul 2025
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 Q3 2025

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

Institutions
30
Shares
3,198,477
Rows available
30
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 Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
34
Q3 2025 holders
30
Holder diff
-4
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 value Q3 2025 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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