System1, Inc. - SST
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cannae Holdings, Inc. | History | No change | 356,797 | 1,077 | 4.39% | 1.74% | 1 | 0 | 0.0% | Q1 2026 | Apr 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 161,519 | 487 | 0.0% | 0.0% | 2 | -27 | -0.02% | Q1 2026 | May 15, 2026 |
| Cerity Partners LLC | History | No change | 116,844 | 352 | 0.0% | 0.0% | 3 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| VANGUARD GROUP INC | History | No change | 46,933 | 183 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 37,132 | 112 | 0.0% | — | 5 | +37,132 | New | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 32,619 | 98 | 0.0% | 0.0% | 6 | -2,830 | -7.98% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | No change | 24,247 | 73 | 0.0% | 0.0% | 7 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 23,839 | 72 | 0.0% | 0.0% | 8 | +9,476 | 65.98% | Q1 2026 | May 15, 2026 |
| NINE MASTS CAPITAL Ltd | History | New | 18,548 | 56 | 0.01% | — | 9 | +18,548 | New | Q1 2026 | May 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 18,320 | 55 | 0.0% | 0.0% | 10 | -300 | -1.61% | Q1 2026 | May 14, 2026 |
| STATE STREET CORP | History | No change | 11,502 | 34 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 9,141 | 27 | 0.0% | — | 12 | +9,141 | New | Q1 2026 | May 08, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 7,332 | 22 | 0.0% | 0.0% | 13 | +6,344 | 642.11% | Q1 2026 | May 15, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 5,890 | 18 | 0.0% | — | 14 | +5,848 | 13923.81% | Q1 2026 | May 13, 2026 |
| UBS Group AG | History | Added to | 1,324 | 3 | 0.0% | 0.0% | 15 | +907 | 217.51% | Q1 2026 | May 05, 2026 |
| Vanguard Global Advisers, LLC | History | New | 660 | 1 | 0.0% | — | 16 | +660 | New | Q1 2026 | May 08, 2026 |
| CITADEL ADVISORS LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -12,759 | -100.0% | Q1 2026 | May 15, 2026 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -12,376 | -100.0% | Q1 2026 | May 15, 2026 |
| FMR LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,105 | -100.0% | Q1 2026 | May 15, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 223 | 0 | — | 0.0% | — | -440 | -66.37% | Q1 2026 | May 13, 2026 |
| MORGAN STANLEY | History | Closed out | 0 | 0 | — | 0.0% | — | -439 | -100.0% | Q1 2026 | May 15, 2026 |
| Physician Wealth Advisors, Inc. | History | New | 301 | 0 | — | — | — | +301 | New | Q1 2026 | Apr 24, 2026 |
| SHP Wealth Management | History | New | 100 | 0 | — | — | — | +100 | New | Q1 2026 | May 08, 2026 |
| ROYAL BANK OF CANADA | History | Reduced | 39 | 0 | — | — | — | -69 | -63.89% | Q1 2026 | May 15, 2026 |
| CWM, LLC | History | Reduced | 114 | 0 | — | — | — | -1 | -0.87% | Q1 2026 | May 14, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 86 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 35 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Strategic Wealth Partners, Ltd. | History | No change | 100 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| SBI Securities Co., Ltd. | History | No change | 60 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |
| Farther Finance Advisors, LLC | History | No change | 150 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 07, 2026 |