System1, Inc.
SSTPW- Exchange
- OTC
- Industry
- Services-Computer Programming, Data Processing, Etc.
- SEC CIK
- 0001805833
No open-market purchases or sales by System1, Inc. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Other share classesSST
Q3 2025 vs. Q2 2025
How the institutions holding System1, Inc. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 2 | 0 | −2 |
| Shares | 9.41K | 0 | −9.41K (−100.0%) |
| Value | $235 | $0 | −$235 (−100.0%) |
New holders (0)
Institutions that held System1, Inc. at the end of Q3 2025 but not at the end of Q2 2025.
None.
Sold out (2)
Institutions that held System1, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Healthcare of Ontario Pension Plan Trust Fund | 8,350 | $209 |
| Steward Partners Investment Advisory, LLC | 1,062 | $26 |