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
13F holders, Q1 2022
Institutional positions in System1, Inc. as of Mar 31, 2022. 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
- 31
- +30 vs. Q4 2021
- Shares held
- 29.0M
- +28.0M (+2,853.7%) vs. Q4 2021
- Total value
- $421.1M
- +$411.3M (+4,202.8%) vs. Q4 2021
- New holders
- 31
- 0 more added
- Sold out
- 1
- 0 more reduced
Compare with Q4 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SST 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 | 21 | $1.38M |
| Q1 2026 | 25 | $2.50M |
| Q4 2025 | 24 | $3.20M |
| Q3 2025 | 30 | $22.5M |
| Q2 2025 | 36 | $17.9M |
| Q1 2025 | 55 | $13.2M |
| Q4 2024 | 59 | $31.6M |
| Q3 2024 | 60 | $39.1M |
| Q2 2024 | 60 | $53.0M |
| Q1 2024 | 47 | $69.4M |
| Q4 2023 | 49 | $76.8M |
| Q3 2023 | 48 | $41.6M |
| Q2 2023 | 44 | $154.8M |
| Q1 2023 | 34 | $138.1M |
| Q4 2022 | 30 | $133.5M |
| Q3 2022 | 38 | $182.2M |
| Q2 2022 | 37 | $193.0M |
| Q1 2022 | 31 | $421.1M |
| Q4 2021 | 1 | $9.79M |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2022
Shares, value and share of portfolio for each institution holding System1, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cannae Holdings, Inc. | 27,181,770 | $394.4M | 12.27% | +27,181,770 | New |
| Millennium Management LLC | 381,040 | $5.53M | 0.01% | +381,040 | New |
| BlackRock Inc. | 242,136 | $3.51M | 0.00% | +242,136 | New |
| Vanguard Group Inc | 236,882 | $3.44M | 0.00% | +236,882 | New |
| Geode Capital Management, LLC | 169,738 | $2.46M | 0.00% | +169,738 | New |
| D. E. Shaw & Co., Inc. | 108,210 | $1.57M | 0.00% | +108,210 | New |
| State Street Corp | 101,652 | $1.48M | 0.00% | +101,652 | New |
| Charles Schwab Investment Management Inc | 101,476 | $1.47M | 0.00% | +101,476 | New |
| Simplex Trading, LLC | 100,991 | $1.47M | 0.05% | +100,991 | New |
| First Trust Advisors LP | 82,035 | $1.19M | 0.00% | +82,035 | New |
| Citigroup Inc | 78,931 | $1.15M | 0.00% | +78,931 | New |
| Goldman Sachs Group Inc | 57,947 | $841.0K | 0.00% | +57,947 | New |
| Barclays PLC | 39,744 | $577.0K | 0.00% | +39,744 | New |
| Squarepoint Ops LLC | 23,300 | $338.0K | 0.00% | +23,300 | New |
| Bank of America Corp | 18,676 | $271.0K | 0.00% | +18,676 | New |
| ExodusPoint Capital Management, LP | 16,057 | $233.0K | 0.00% | +16,057 | New |
| LMR Partners LLP | 13,160 | $191.0K | 0.00% | +13,160 | New |
| Royal Bank of Canada | 12,964 | $188.0K | 0.00% | +12,964 | New |
| Citadel Advisors LLC | 12,678 | $184.0K | 0.00% | +12,678 | New |
| Jane Street Group, LLC | 11,846 | $172.0K | 0.00% | +11,846 | New |
| Penserra Capital Management LLC | 6,449 | $93.0K | 0.00% | +6,449 | New |
| Morgan Stanley | 6,097 | $88.0K | 0.00% | +6,097 | New |
| JPMorgan Chase & Co | 5,800 | $84.0K | 0.00% | +5,800 | New |
| Cutler Group LP | 4,905 | $71.0K | 0.01% | +4,905 | New |
| Steward Partners Investment Advisory, LLC | 3,188 | $46.0K | 0.00% | +3,188 | New |
| Tower Research Capital LLC (TRC) | 1,742 | $25.0K | 0.00% | +1,742 | New |
| IFP Advisors, Inc | 2,000 | $20.0K | 0.00% | +2,000 | New |
| Clear Street Markets LLC | 1,000 | $15.0K | 0.00% | +1,000 | New |
| Wells Fargo & Company | 271 | $4.00K | 0.00% | +271 | New |
| West Branch Capital LLC | 115 | $2.00K | 0.00% | +115 | New |
| DuPont Capital Management Corp | 1 | $0 | 0.00% | +1 | New |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −982,589−100.0% | Sold out |