Companies / System1, Inc.
System1, Inc.
NYSE: SSTCIK 1805833MARINA DEL REY, CA
Financials · FY2025
Ownership
10.5M shares outstanding · as of Aug 1, 2026
Ownership
Share classes
| Class A | 83.03% | |
| Class C | 16.97% |
| Insiders | 2.44% | 255,529 |
| Institutions | 8.02% | 841,113 |
| Public float | 89.54% | 9,392,007 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 4
View all →| Insider | % of shares | Shares |
|---|---|---|
Kidambi TridiveshChief Financial Officer | 1.14% | 119,906 |
Weinrot Daniel JGeneral Counsel & Secretary | 0.66% | 69,394 |
Coppola BrianChief Ad Operations Officer | 0.63% | 66,229 |
Sestanovich ElizabethFormerChief People Officer | 0.57% | 59,289 |
Institutional holders 24
View all →| Holder | Value | % of shares |
|---|---|---|
| $1.40M | 3.40% | |
| $633.3K | 1.54% | |
| $458.0K | 1.11% | |
| $184.0K | 0.45% | |
| $100.1K | 0.41% | |
| $98.5K | 0.31% | |
| $72.0K | 0.23% | |
| $55.3K | 0.17% | |
| $50.0K | 0.12% | |
| $48.5K | 0.12% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common Stock | $44.1K | +19K +78.80% | 43,353 0.41% of shares | low |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common Stock | $28.6K | +9K +65.98% | 23,839 0.23% of shares | low |
| Q1 2026 as of | Millennium Management LLC 13F manager | Trim | Common Stock | $-8.5K | -3K -7.98% | 32,619 0.31% of shares | low |
| Q2 2025 as of | Barclays PLC 13F manager | New | Common Stock | $1.1K | +190 | 190 <0.01% of shares | low |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Trim | Common Stock | $-906 | -300 -1.61% | 18,320 0.17% of shares | low |
| Q3 2025 as of | Barclays PLC 13F manager | Trim | Common Stock | $-732 | -104 -54.74% | 86 <0.01% of shares | low |
| Q4 2025 as of | Barclays PLC 13F manager | Exit | Common Stock | $-605 | -86 -100.00% | — | low |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Trim | Common Stock | $-94 | -24 -0.01% | 161,546 1.54% of shares | low |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| SST | Common Stock | 87200P208 |