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 2024
Institutional positions in System1, Inc. as of Mar 31, 2024. 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
- 47
- −2 vs. Q4 2023
- Shares held
- 35.4M
- +831.3K (+2.4%) vs. Q4 2023
- Total value
- $69.4M
- −$7.36M (−9.6%) vs. Q4 2023
- New holders
- 5
- 14 more added
- Sold out
- 7
- 16 more reduced
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding System1, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cannae Holdings, Inc. | 27,012,794 | $52.9M | 3.74% | 00.0% | Unchanged |
| BlackRock Inc. | 2,015,140 | $3.95M | 0.00% | −76,519−3.7% | Reduced |
| Bank of America Corp | 1,659,539 | $3.25M | 0.00% | −43,484−2.6% | Reduced |
| Vanguard Group Inc | 1,262,571 | $2.47M | 0.00% | +3,881+0.3% | Added |
| Cerity Partners LLC | 998,814 | $1.96M | 0.01% | +880,281+742.6% | Added |
| Geode Capital Management, LLC | 587,569 | $1.15M | 0.00% | +87,682+17.5% | Added |
| State Street Corp | 418,138 | $819.5K | 0.00% | +29,700+7.6% | Added |
| Northern Trust Corp | 260,753 | $511.1K | 0.00% | −15,480−5.6% | Reduced |
| Pacific Ridge Capital Partners, LLC | 185,671 | $363.9K | 0.08% | −48,118−20.6% | Reduced |
| Charles Schwab Investment Management Inc | 164,724 | $322.9K | 0.00% | −44,522−21.3% | Reduced |
| Jane Street Group, LLC | 129,770 | $254.3K | 0.00% | +100,673+346.0% | Added |
| Morgan Stanley | 77,645 | $152.2K | 0.00% | −45,420−36.9% | Reduced |
| Bank of New York Mellon Corp | 75,883 | $148.7K | 0.00% | +1,745+2.4% | Added |
| Millennium Management LLC | 61,043 | $119.6K | 0.00% | +61,043 | New |
| Nuveen Asset Management, LLC | 50,329 | $98.6K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 46,744 | $91.6K | 0.00% | +34,905+294.8% | Added |
| Susquehanna International Group, LLP | 43,202 | $84.7K | 0.00% | +30,463+239.1% | Added |
| Bridgeway Capital Management, LLC | 39,300 | $77.0K | 0.00% | +39,300 | New |
| UBS Group AG | 33,392 | $65.4K | 0.00% | −2,542−7.1% | Reduced |
| Rhumbline Advisers | 30,626 | $60.0K | 0.00% | +1,977+6.9% | Added |
| Barclays PLC | 29,027 | $56.9K | 0.00% | −21,907−43.0% | Reduced |
| Renaissance Technologies LLC | 25,600 | $50.0K | 0.00% | +25,600 | New |
| Arbor Trust Wealth Advisors, LLC | 20,950 | $45.9K | 0.03% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 22,489 | $44.1K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 17,596 | $35.0K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 16,217 | $31.8K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 16,127 | $31.6K | 0.00% | −138−0.8% | Reduced |
| Evoke Wealth, LLC | 15,000 | $29.4K | 0.00% | +15,000 | New |
| JPMorgan Chase & Co | 13,992 | $27.4K | 0.00% | −17,880−56.1% | Reduced |
| Goldman Sachs Group Inc | 13,589 | $26.6K | 0.00% | −10,452−43.5% | Reduced |
| Wells Fargo & Company | 11,503 | $22.5K | 0.00% | +1,484+14.8% | Added |
| SG Americas Securities, LLC | 11,306 | $22.0K | 0.00% | −6,641−37.0% | Reduced |
| FMR LLC | 10,813 | $21.2K | 0.00% | +2,254+26.3% | Added |
| Citigroup Inc | 9,092 | $17.8K | 0.00% | +4,279+88.9% | Added |
| Tower Research Capital LLC (TRC) | 6,848 | $13.4K | 0.00% | +2,939+75.2% | Added |
| Cutler Group LP | 4,711 | $9.00K | 0.00% | −2,089−30.7% | Reduced |
| California State Teachers Retirement System | 3,716 | $7.28K | 0.00% | −1,670−31.0% | Reduced |
| Royal Bank of Canada | 3,904 | $7.00K | 0.00% | −9,685−71.3% | Reduced |
| Legal & General Group Plc | 2,327 | $4.56K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,046 | $4.01K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 835 | $2.00K | 0.00% | −1,326−61.4% | Reduced |
| CWM, LLC | 1,082 | $2.00K | 0.00% | +10+0.9% | Added |
| Advisor Group Holdings, Inc. | 700 | $1.37K | 0.00% | 00.0% | Unchanged |
| West Branch Capital LLC | 115 | $226 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 100 | $196 | 0.00% | 00.0% | Unchanged |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 3 | $5 | 0.00% | +3 | New |
| DuPont Capital Management Corp | 1 | $2 | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −65,872−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −25,767−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −25,215−100.0% | Sold out |
| Sea Otter Advisors LLC | 0 | $0 | 0.00% | −12,500−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −10,750−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −3,235−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −734−100.0% | Sold out |