Rubico Inc. - RUBI
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| JANE STREET GROUP, LLC | History | New | 32,382 | 34 | 0.0% | — | 1 | +32,382 | New | Q4 2025 | Feb 12, 2026 |
| UBS Group AG | History | Added to | 4,406 | 4 | 0.0% | — | 2 | +4,396 | 43960.0% | Q4 2025 | Jan 29, 2026 |
| SABBY MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.05% | — | -20,835 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Walleye Capital LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -19,977 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Federation des caisses Desjardins du Quebec | History | Closed out | 0 | 0 | — | — | — | -352 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | — | — | -75 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TUCKER ASSET MANAGEMENT LLC | History | New | 50 | 0 | — | — | — | +50 | New | Q4 2025 | Feb 05, 2026 |
| SBI Securities Co., Ltd. | History | Closed out | 0 | 0 | — | — | — | -15 | -100.0% | Q3 2025 | Nov 05, 2025 |
| BANK OF AMERICA CORP /DE/ | History | New | 3 | 0 | — | — | — | +3 | New | Q4 2025 | Feb 17, 2026 |