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 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
- 49
- +1 vs. Q3 2023
- Shares held
- 34.6M
- +240.9K (+0.7%) vs. Q3 2023
- Total value
- $76.8M
- +$35.2M (+84.8%) vs. Q3 2023
- New holders
- 6
- 22 more added
- Sold out
- 5
- 11 more reduced
Compare with Q3 2023: 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 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 |
|---|---|---|---|---|---|
| Cannae Holdings, Inc. | 27,012,794 | $60.0M | 3.48% | 00.0% | Unchanged |
| BlackRock Inc. | 2,091,659 | $4.64M | 0.00% | +158,516+8.2% | Added |
| Bank of America Corp | 1,703,023 | $3.78M | 0.00% | −5,434−0.3% | Reduced |
| Vanguard Group Inc | 1,258,690 | $2.79M | 0.00% | +10,636+0.9% | Added |
| Geode Capital Management, LLC | 499,887 | $1.11M | 0.00% | +7,672+1.6% | Added |
| State Street Corp | 388,438 | $862.3K | 0.00% | +7,300+1.9% | Added |
| Northern Trust Corp | 276,233 | $613.2K | 0.00% | +27,881+11.2% | Added |
| Pacific Ridge Capital Partners, LLC | 233,789 | $519.0K | 0.11% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 209,246 | $464.5K | 0.00% | +35,183+20.2% | Added |
| Morgan Stanley | 123,065 | $273.2K | 0.00% | +68,546+125.7% | Added |
| Cerity Partners LLC | 118,533 | $263.1K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 74,138 | $164.6K | 0.00% | −20,688−21.8% | Reduced |
| Group One Trading, L.P. | 65,872 | $146.2K | 0.00% | +65,872 | New |
| Barclays PLC | 50,934 | $113.1K | 0.00% | +39,114+330.9% | Added |
| Nuveen Asset Management, LLC | 50,329 | $111.7K | 0.00% | +16,217+47.5% | Added |
| UBS Group AG | 35,934 | $79.8K | 0.00% | +17,695+97.0% | Added |
| JPMorgan Chase & Co | 31,872 | $70.8K | 0.00% | +10,299+47.7% | Added |
| Jane Street Group, LLC | 29,097 | $64.6K | 0.00% | +16,388+128.9% | Added |
| Rhumbline Advisers | 28,649 | $63.6K | 0.00% | +1,198+4.4% | Added |
| Belvedere Trading LLC | 25,767 | $57.2K | 0.00% | +25,767 | New |
| GTS Securities LLC | 25,215 | $56.0K | 0.00% | +25,215 | New |
| Goldman Sachs Group Inc | 24,041 | $53.4K | 0.00% | −222−0.9% | Reduced |
| New York State Common Retirement Fund | 22,489 | $49.9K | 0.00% | +72+0.3% | Added |
| Arbor Trust Wealth Advisors, LLC | 20,950 | $46.5K | 0.03% | +10,000+91.3% | Added |
| SG Americas Securities, LLC | 17,947 | $40.0K | 0.00% | +1,882+11.7% | Added |
| Price T Rowe Associates Inc | 17,596 | $40.0K | 0.00% | +3,244+22.6% | Added |
| American International Group, Inc. | 16,265 | $36.1K | 0.00% | −66−0.4% | Reduced |
| SEI Investments Co | 16,217 | $36.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 13,589 | $30.0K | 0.00% | +4,938+57.1% | Added |
| Susquehanna International Group, LLP | 12,739 | $28.3K | 0.00% | −9,345−42.3% | Reduced |
| Sea Otter Advisors LLC | 12,500 | $27.8K | 0.03% | 00.0% | Unchanged |
| Invesco Ltd. | 11,839 | $26.3K | 0.00% | +11,839 | New |
| Wexford Capital LP | 10,750 | $23.9K | 0.01% | +10,750 | New |
| Wells Fargo & Company | 10,019 | $22.2K | 0.00% | +1,985+24.7% | Added |
| FMR LLC | 8,559 | $19.0K | 0.00% | −84−1.0% | Reduced |
| Cutler Group LP | 6,800 | $15.0K | 0.00% | +300+4.6% | Added |
| California State Teachers Retirement System | 5,386 | $12.0K | 0.00% | −1,835−25.4% | Reduced |
| Citigroup Inc | 4,813 | $10.7K | 0.00% | +4,797+29,981.3% | Added |
| Tower Research Capital LLC (TRC) | 3,909 | $8.68K | 0.00% | −4,617−54.2% | Reduced |
| Citadel Advisors LLC | 3,235 | $7.18K | 0.00% | +2,285+240.5% | Added |
| Legal & General Group Plc | 2,327 | $5.14K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,161 | $5.00K | 0.00% | −249−10.3% | Reduced |
| Ameritas Investment Partners, Inc. | 2,046 | $4.54K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1,072 | $2.00K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 734 | $1.63K | 0.00% | −642−46.7% | Reduced |
| Advisor Group Holdings, Inc. | 700 | $1.55K | 0.00% | −400−36.4% | Reduced |
| West Branch Capital LLC | 115 | $256 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 100 | $222 | 0.00% | +100 | New |
| DuPont Capital Management Corp | 1 | $2 | 0.00% | 00.0% | Unchanged |
| Brighton Jones LLC | 0 | $0 | 0.00% | −218,104−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −60,500−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −11,784−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −10,416−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |