Who owns System1 Inc?
- Ticker: SST
- CUSIP Number: 87200p208
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Analyze quarterly positions in System1 with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of System1 stock
Who bought or sold System1 Inc this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| Cannae Holdings | 357k | $1.1M | 0% | Mar 2026 |
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| Bank of America Corporation | 162k | $488k | 100% | Mar 2026 |
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| HPM Partners | 117k | $353k | 0% | Mar 2026 |
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| Vanguard Group | 47k | $184k | 0% | Dec 2025 |
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| Vanguard Capital Management | 37k | $112k | 100% | Mar 2026 |
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| Millennium Management | 33k | $99k | -8% | Mar 2026 |
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| BlackRock | 24k | $73k | 0% | Mar 2026 |
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| Geode Capital Management | 24k | $72k | 66% | Mar 2026 |
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| Renaissance Technologies | 19k | $73k | 9% | Dec 2025 |
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| Nine Masts Capital | 19k | $56k | 100% | Mar 2026 |
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| XTX Topco | 12k | $49k | -1% | Dec 2025 |
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| State Street Corporation | 12k | $45k | 0% | Dec 2025 |
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| Vanguard Fiduciary Trust | 9.1k | $28k | 100% | Mar 2026 |
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| UBS Group | 1.3k | $4.0k | 218% | Mar 2026 |
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| FMR | 1.1k | $4.3k | -42% | Dec 2025 |
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| Tower Research Capital | 988.00 | $3.9k | 54% | Dec 2025 |
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| Vanguard Global Advisers | 660.00 | $2.0k | 100% | Mar 2026 |
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| UMA Financial Services | 301.00 | $910.013300 | 100% | Mar 2026 |
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| Group One Trading | 223.00 | $672.991700 | -66% | Mar 2026 |
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| Farther Finance Advisors | 150.00 | $783.000000 | 0% | Mar 2026 |
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| CWM | 115.00 | $0 | -10% | Dec 2025 |
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| Strategic Wealth Partners | 100.00 | $302.000000 | 0% | Mar 2026 |
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| SHP Wealth Management | 100.00 | $302.000000 | 100% | Mar 2026 |
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| Bnp Paribas Arbitrage, Snc | 86.00 | $260.003800 | 0% | Mar 2026 |
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| SBI Securities | 60.00 | $181.002000 | 0% | Mar 2026 |
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| Royal Bank of Canada | 39.00 | $0 | -97% | Mar 2026 |
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| Advisor Group Holdings | 35.00 | $137.000500 | 0% | Dec 2025 |
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Who sold out of System1?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Marshall Wace | Sep 2025 | 36k | $255k |
| Citadel Advisors | Dec 2025 | 13k | $50k |
| Morgan Stanley | Dec 2025 | 439.00 | $1.7k |
| Barclays | Sep 2025 | 86.00 | $605.001400 |
| Jpmorgan Chase & Co | Sep 2025 | 45.00 | $317.142000 |