System1, Inc. (NYSE:SST) currently has 6 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| Cannae Holdings, Inc. | 30 Sep, 2025 | 2,701,279 | 0 | 0.00% | $19,017,004.00 |
| BANK OF AMERICA CORP /DE/ | 30 Sep, 2025 | 161,570 | -12,719 | -7.30% | $1,137,453.00 |
| Cerity Partners LLC | 30 Sep, 2025 | 116,867 | 7,581 | 6.94% | $822,744.00 |
| VANGUARD GROUP INC | 30 Sep, 2025 | 46,933 | -373 | -0.79% | $330,408.00 |
| MILLENNIUM MANAGEMENT LLC | 30 Sep, 2025 | 38,561 | -4,217 | -9.86% | $271,469.00 |
| MARSHALL WACE, LLP | 30 Sep, 2025 | 36,271 | 36,271 | 0.00% | $255,349.00 |
| BlackRock, Inc. | 30 Sep, 2025 | 24,210 | -14,912 | -38.12% | $170,438.00 |
| RENAISSANCE TECHNOLOGIES LLC | 30 Sep, 2025 | 17,120 | 5,100 | 42.43% | $120,525.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 14,381 | -7,149 | -33.20% | $101,288.00 |
| STATE STREET CORP | 30 Sep, 2025 | 11,502 | 0 | 0.00% | $80,974.00 |
| CITADEL ADVISORS LLC | 30 Sep, 2025 | 10,056 | 10,056 | 0.00% | $70,794.00 |
| FMR LLC | 30 Sep, 2025 | 1,920 | -3 | -0.16% | $13,517.00 |
| ROYAL BANK OF CANADA | 30 Sep, 2025 | 1,394 | 1,143 | 455.38% | $10,000.00 |
| MORGAN STANLEY | 30 Sep, 2025 | 1,095 | -264 | -19.43% | $7,709.00 |
| GROUP ONE TRADING LLC | 30 Sep, 2025 | 721 | -1,353 | -65.24% | $5,076.00 |
| Tower Research Capital LLC (TRC) | 30 Sep, 2025 | 640 | -1,940 | -75.19% | $4,506.00 |
| UBS Group AG | 30 Sep, 2025 | 436 | -10,213 | -95.91% | $3,070.00 |
| Farther Finance Advisors, LLC | 30 Sep, 2025 | 150 | 0 | 0.00% | $1,056.00 |
| CWM, LLC | 30 Sep, 2025 | 128 | -110 | -46.22% | $1.00 |
| BNP PARIBAS FINANCIAL MARKETS | 30 Sep, 2025 | 122 | -4,389 | -97.30% | $859.00 |