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, Q3 2023
Institutional positions in System1, Inc. as of Sep 30, 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
- 48
- +4 vs. Q2 2023
- Shares held
- 34.3M
- −47.8K (−0.1%) vs. Q2 2023
- Total value
- $41.6M
- −$113.2M (−73.1%) vs. Q2 2023
- New holders
- 7
- 18 more added
- Sold out
- 3
- 12 more reduced
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding System1, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 400 | $0 | 0.00% | +400 | New |
| DuPont Capital Management Corp | 1 | $1 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 16 | $20 | 0.00% | −7,361−99.8% | Reduced |
| West Branch Capital LLC | 115 | $140 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1,072 | $1.00K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 950 | $1.15K | 0.00% | +950 | New |
| Advisor Group Holdings, Inc. | 1,100 | $1.33K | 0.00% | −185−14.4% | Reduced |
| Federated Hermes, Inc. | 1,376 | $1.67K | 0.00% | +1,376 | New |
| Ameritas Investment Partners, Inc. | 2,046 | $2.48K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,327 | $2.82K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,410 | $3.00K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 6,500 | $7.00K | 0.00% | −2,600−28.6% | Reduced |
| California State Teachers Retirement System | 7,221 | $8.74K | 0.00% | −1,019−12.4% | Reduced |
| Wells Fargo & Company | 8,034 | $9.72K | 0.00% | −1,377−14.6% | Reduced |
| Tower Research Capital LLC (TRC) | 8,526 | $10.3K | 0.00% | +7,188+537.2% | Added |
| FMR LLC | 8,643 | $10.5K | 0.00% | +8,155+1,671.1% | Added |
| Royal Bank of Canada | 8,651 | $11.0K | 0.00% | +2,910+50.7% | Added |
| Two Sigma Securities, LLC | 10,416 | $12.6K | 0.00% | +10,416 | New |
| Arbor Trust Wealth Advisors, LLC | 10,950 | $13.3K | 0.01% | 00.0% | Unchanged |
| CSS LLC | 11,784 | $14.3K | 0.00% | +11,784 | New |
| Barclays PLC | 11,820 | $14.3K | 0.00% | +256+2.2% | Added |
| Sea Otter Advisors LLC | 12,500 | $15.1K | 0.01% | +6,500+108.3% | Added |
| Jane Street Group, LLC | 12,709 | $15.4K | 0.00% | −10,600−45.5% | Reduced |
| Price T Rowe Associates Inc | 14,352 | $18.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 16,065 | $19.0K | 0.00% | +16,065 | New |
| SEI Investments Co | 16,217 | $19.6K | 0.00% | +16,217 | New |
| American International Group, Inc. | 16,331 | $19.8K | 0.00% | +4,407+37.0% | Added |
| UBS Group AG | 18,239 | $22.1K | 0.00% | +3,911+27.3% | Added |
| JPMorgan Chase & Co | 21,573 | $26.1K | 0.00% | +529+2.5% | Added |
| Susquehanna International Group, LLP | 22,084 | $26.7K | 0.00% | −29,778−57.4% | Reduced |
| New York State Common Retirement Fund | 22,417 | $27.1K | 0.00% | +217+1.0% | Added |
| Goldman Sachs Group Inc | 24,263 | $29.4K | 0.00% | −10,351−29.9% | Reduced |
| Rhumbline Advisers | 27,451 | $33.2K | 0.00% | +3,169+13.1% | Added |
| Nuveen Asset Management, LLC | 34,112 | $41.3K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 54,519 | $66.0K | 0.00% | +23,266+74.4% | Added |
| Quarry LP | 60,500 | $73.2K | 0.05% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 94,826 | $114.7K | 0.00% | +2,200+2.4% | Added |
| Cerity Partners LLC | 118,533 | $143.4K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 174,063 | $210.6K | 0.00% | +14,072+8.8% | Added |
| Brighton Jones LLC | 218,104 | $263.9K | 0.01% | −17,287−7.3% | Reduced |
| Pacific Ridge Capital Partners, LLC | 233,789 | $282.9K | 0.07% | −1,010−0.4% | Reduced |
| Northern Trust Corp | 248,352 | $300.5K | 0.00% | +56,616+29.5% | Added |
| State Street Corp | 381,138 | $461.2K | 0.00% | +9,650+2.6% | Added |
| Geode Capital Management, LLC | 492,215 | $595.7K | 0.00% | +58,014+13.4% | Added |
| Vanguard Group Inc | 1,248,054 | $1.51M | 0.00% | +48,772+4.1% | Added |
| Bank of America Corp | 1,708,457 | $2.07M | 0.00% | −459,704−21.2% | Reduced |
| BlackRock Inc. | 1,933,143 | $2.34M | 0.00% | +336,945+21.1% | Added |
| Cannae Holdings, Inc. | 27,012,794 | $32.7M | 2.17% | −110,001−0.4% | Reduced |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −23,971−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −15,914−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −648−100.0% | Sold out |