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
13F holders, Q3 2021
Institutional positions in System1, Inc. as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 36
- −4 vs. Q2 2021
- Shares held
- 7.62M
- −2.52M (−24.8%) vs. Q2 2021
- Total value
- $13.9M
- −$3.33M (−19.3%) vs. Q2 2021
- New holders
- 4
- 3 more added
- Sold out
- 8
- 7 more reduced
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SSTPW on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 2 | $235 |
| Q1 2025 | 17 | $42.5K |
| Q4 2024 | 18 | $45.1K |
| Q3 2024 | 16 | $156.1K |
| Q2 2024 | 16 | $178.4K |
| Q1 2024 | 17 | $441.0K |
| Q4 2023 | 20 | $506.8K |
| Q3 2023 | 14 | $188.5K |
| Q2 2023 | 16 | $1.66M |
| Q1 2023 | 20 | $959.3K |
| Q4 2022 | 22 | $1.32M |
| Q3 2022 | 23 | $4.99M |
| Q2 2022 | 22 | $4.74M |
| Q1 2022 | 24 | $10.6M |
| Q4 2021 | 35 | $12.5M |
| Q3 2021 | 36 | $13.9M |
| Q2 2021 | 40 | $17.3M |
| Q1 2021 | 38 | $13.6M |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding System1, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Highbridge Capital Management LLC | – | $2.92M | 0.08% | – | New |
| Ratan Capital Management LP | 1,111,166 | $1.61M | 0.21% | 00.0% | Unchanged |
| Linden Advisors LP | 616,331 | $876.0K | 0.01% | 00.0% | Unchanged |
| P Schoenfeld Asset Management LP | 547,261 | $794.0K | 0.06% | −145,139−21.0% | Reduced |
| Sculptor Capital LP | 443,874 | $639.0K | 0.01% | 00.0% | Unchanged |
| Magnetar Financial LLC | 411,670 | $597.0K | 0.01% | 00.0% | Unchanged |
| Ionic Capital Management LLC | 378,045 | $548.0K | 0.08% | +100,635+36.3% | Added |
| Taconic Capital Advisors LP | 345,000 | $500.0K | 0.02% | 00.0% | Unchanged |
| Blackstone Group Inc. | 333,333 | $483.0K | 0.00% | 00.0% | Unchanged |
| Moore Capital Management, LP | 333,333 | $483.0K | 0.01% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 291,666 | $423.0K | 0.00% | +20,686+7.6% | Added |
| Advisory Research Inc | 270,000 | $391.0K | 0.03% | +270,000 | New |
| Fort Baker Capital Management LP | 259,953 | $376.0K | 0.11% | +36,579+16.4% | Added |
| Westchester Capital Management, LLC | 219,925 | $319.0K | 0.01% | 00.0% | Unchanged |
| Fortress Investment Group LLC | 219,125 | $317.0K | 0.02% | 00.0% | Unchanged |
| Davidson Kempner Capital Management LP | 215,992 | $313.0K | 0.00% | 00.0% | Unchanged |
| Antara Capital LP | 200,000 | $290.0K | 0.06% | −100,000−33.3% | Reduced |
| D. E. Shaw & Co., Inc. | 199,866 | $290.0K | 0.00% | 00.0% | Unchanged |
| Kepos Capital LP | 200,000 | $290.0K | 0.02% | 00.0% | Unchanged |
| Sage Rock Capital Management LP | 197,430 | $286.0K | 0.04% | −62,929−24.2% | Reduced |
| Aristeia Capital LLC | 140,056 | $202.0K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | – | $188.0K | 0.00% | – | – |
| Boussard & Gavaudan Investment Management LLP | 116,666 | $169.0K | 0.02% | 00.0% | Unchanged |
| Glazer Capital, LLC | 73,070 | $106.0K | 0.00% | −138,552−65.5% | Reduced |
| Tenor Capital Management Co., L.P. | 60,750 | $88.0K | 0.00% | 00.0% | Unchanged |
| PEAK6 Investments LLC | 50,000 | $73.0K | 0.00% | 00.0% | Unchanged |
| Maven Securities LTD | 50,000 | $73.0K | 0.01% | 00.0% | Unchanged |
| CSS LLC | 43,689 | $63.0K | 0.00% | −10,000−18.6% | Reduced |
| Mission Wealth Management, LP | 34,000 | $49.0K | 0.00% | +34,000 | New |
| DuPont Capital Management Corp | 33,333 | $48.0K | 0.00% | 00.0% | Unchanged |
| CNH Partners LLC | 33,333 | $48.0K | 0.00% | 00.0% | Unchanged |
| Omers Administration Corp | 20,899 | $30.0K | 0.00% | +20,899 | New |
| Walleye Capital LLC | 19,720 | $29.0K | 0.00% | 00.0% | Unchanged |
| Jefferies Group LLC | 12,711 | $18.4K | 0.00% | −37,289−74.6% | Reduced |
| Walleye Trading LLC | 12,480 | $18.0K | 0.00% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 125,233 | – | – | −64,981−34.2% | Reduced |
| LH Capital Markets, LLC | 0 | $0 | 0.00% | −1,300,000−100.0% | Sold out |
| Hickory Lane Capital Management LP | 0 | $0 | 0.00% | −371,761−100.0% | Sold out |
| Park West Asset Management LLC | 0 | $0 | 0.00% | −233,333−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −166,665−100.0% | Sold out |
| Azora Capital LP | 0 | $0 | 0.00% | −164,123−100.0% | Sold out |
| Cowen and Company, LLC | 0 | $0 | 0.00% | −106,846−100.0% | Sold out |
| Gabelli Funds LLC | 0 | $0 | 0.00% | −55,959−100.0% | Sold out |
| Gabelli & Co Investment Advisers, Inc. | 0 | $0 | 0.00% | −44,040−100.0% | Sold out |