Stock ownership
AMBAC FINL GROUP INC
- Ticker
- OSG
- CUSIP
- 023139884
- Held by
- 1 fund
- Combined value
- $743,828
+% bought more, −% sold down — each fund's last-quarter move (change in share count).
| Fund | Quarter | Last quarter | Value | % of fund |
|---|---|---|---|---|
| Tudor Investment Corp position history | Q1 2026 | NEW | $743,828 | 0.0% |