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, Q4 2022
Institutional positions in System1, Inc. as of Dec 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
- 30
- −7 vs. Q3 2022
- Shares held
- 28.5M
- −507.0K (−1.7%) vs. Q3 2022
- Total value
- $133.5M
- −$48.7M (−26.7%) vs. Q3 2022
- New holders
- 5
- 11 more added
- Sold out
- 12
- 8 more reduced
1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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, Q4 2022
Shares, value and share of portfolio for each institution holding System1, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| DuPont Capital Management Corp | 1 | $5 | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 101 | $474 | 0.00% | +101 | New |
| West Branch Capital LLC | 115 | $539 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 143 | $671 | 0.00% | +5+3.6% | Added |
| CWM, LLC | 1,072 | $5.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 1,285 | $6.00K | 0.00% | −285−18.2% | Reduced |
| Morgan Stanley | 3,957 | $18.6K | 0.00% | −7,489−65.4% | Reduced |
| Goldman Sachs Group Inc | 10,000 | $46.9K | 0.00% | −55−0.5% | Reduced |
| Royal Bank of Canada | 9,939 | $47.0K | 0.00% | +1,973+24.8% | Added |
| Arbor Trust Wealth Advisors, LLC | 10,950 | $52.2K | 0.04% | 00.0% | Unchanged |
| Cutler Group LP | 13,201 | $61.0K | 0.01% | +6,501+97.0% | Added |
| Group One Trading, L.P. | 19,044 | $89.3K | 0.00% | −30,047−61.2% | Reduced |
| Northern Trust Corp | 31,005 | $145.4K | 0.00% | +273+0.9% | Added |
| Bank of New York Mellon Corp | 32,347 | $151.7K | 0.00% | +32,347 | New |
| Susquehanna International Group, LLP | 59,854 | $280.7K | 0.00% | +47,395+380.4% | Added |
| Quarry LP | 60,500 | $283.7K | 0.31% | +60,500 | New |
| Simplex Trading, LLC | 61,600 | $288.0K | 0.01% | +61,600 | New |
| State Street Corp | 70,625 | $331.2K | 0.00% | 00.0% | Unchanged |
| Caas Capital Management LP | 76,200 | $357.4K | 0.07% | −348,270−82.0% | Reduced |
| Jane Street Group, LLC | 85,015 | $398.7K | 0.00% | −253,378−74.9% | Reduced |
| Millennium Management LLC | 87,343 | $410.0K | 0.00% | +37,457+75.1% | Added |
| Charles Schwab Investment Management Inc | 104,396 | $489.6K | 0.00% | +1,390+1.3% | Added |
| Cerity Partners LLC | 118,533 | $555.9K | 0.00% | +118,533 | New |
| Bank of America Corp | 126,436 | $593.0K | 0.00% | −5,767−4.4% | Reduced |
| Geode Capital Management, LLC | 180,485 | $846.0K | 0.00% | +8,068+4.7% | Added |
| Pacific Ridge Capital Partners, LLC | 233,270 | $1.09M | 0.26% | +87,270+59.8% | Added |
| BlackRock Inc. | 263,786 | $1.24M | 0.00% | −4,587−1.7% | Reduced |
| Huber Capital Management LLC | 301,616 | $1.41M | 0.36% | +133,051+78.9% | Added |
| Vanguard Group Inc | 1,101,605 | $5.17M | 0.00% | +89,077+8.8% | Added |
| Cannae Holdings, Inc. | 25,400,559 | $119.1M | 6.08% | 00.0% | Unchanged |
| Norges Bank | 0 | $0 | 0.00% | −338,533−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −89,430−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −73,083−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −14,341−100.0% | Sold out |
| Highbridge Capital Management LLC | 0 | $0 | 0.00% | −14,019−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −7,800−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −3,188−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −81−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Jefferies Group LLC | – | – | – | – | Not filed |