System1, Inc.
SST- Exchange
- NYSE
- 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; 21 institutions reported holding it in 13F filings for Q2 2026, worth $1.38M in total; no superinvestor holds it.
Other share classesSSTPW
Q1 2022 vs. Q4 2021
How the institutions holding System1, Inc. changed between Q4 2021 and Q1 2022.
All holders in Q1 2022All holders in Q4 2021
| Measure | Q4 2021 | Q1 2022 | Change |
|---|---|---|---|
| Holders | 1 | 31 | +30 |
| Shares | 982.6K | 29.0M | +28.0M (+2,853.7%) |
| Value | $9.79M | $421.1M | +$411.3M (+4,202.8%) |
New holders (31)
Institutions that held System1, Inc. at the end of Q1 2022 but not at the end of Q4 2021.
Sold out (1)
Institutions that held System1, Inc. at the end of Q4 2021 and filed for Q1 2022 without it.
| Institution | Shares, Q4 2021 | Value, Q4 2021 |
|---|---|---|
| Marshall Wace, LLP | 982,589 | $9.79M |