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, Q4 2023
Institutional positions in System1, Inc. as of Dec 31, 2023. 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
- 20
- +6 vs. Q3 2023
- Shares held
- 2.42M
- +395.4K (+19.5%) vs. Q3 2023
- Total value
- $506.8K
- +$318.3K (+168.8%) vs. Q3 2023
- New holders
- 6
- 2 more added
- Sold out
- 0
- 1 more reduced
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding System1, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| LMR Partners LLP | 902,720 | $144.3K | 0.00% | +480+0.1% | Added |
| Highbridge Capital Management LLC | – | $117.9K | 0.01% | – | – |
| Walleye Capital LLC | 594,749 | $95.1K | 0.00% | +52,000+9.6% | Added |
| Cowen and Company, LLC | 250,000 | $40.0K | 0.00% | +250,000 | New |
| D. E. Shaw & Co., Inc. | 126,079 | $20.2K | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 117,168 | $18.7K | 0.00% | −15,165−11.5% | Reduced |
| Moore Capital Management, LP | 100,000 | $16.0K | 0.00% | 00.0% | Unchanged |
| Boussard & Gavaudan Investment Management LLP | 56,666 | $10.8K | 0.00% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 60,750 | $9.71K | 0.00% | 00.0% | Unchanged |
| Anthracite Investment Company, Inc. | 55,400 | $8.86K | 0.01% | +55,400 | New |
| Two Sigma Investments, LP | 45,700 | $7.31K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 38,980 | $6.23K | 0.00% | +38,980 | New |
| Cerity Partners LLC | 35,000 | $5.60K | 0.00% | 00.0% | Unchanged |
| Mission Wealth Management, LP | 15,000 | $2.40K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 12,661 | $2.02K | 0.00% | +12,661 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 8,350 | $1.33K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 1,062 | $170 | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 945 | $152 | 0.00% | +945 | New |
| Morgan Stanley | 333 | $53 | 0.00% | 00.0% | Unchanged |
| Clear Street LLC | 100 | $16 | 0.00% | +100 | New |