Deep Track Capital, LP
- SEC CIK
- 0001856083
- Latest filing
- Aug 14, 2026
UPB holding history
Upstream Bio, Inc. in every 13F filed by Deep Track Capital, LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
UPB overviewAll 13F holders of UPBFull Q2 2026 holdings
- Shares (Q3 2025)
- 0
- Sold out in Q3 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 3
- Since Q4 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q3 2025 | 0 | $0 | 0.0% | −1,442,767−100.0% | Sold out | Holders |
| Q2 2025 | 1,442,767 | $15.8M | 0.5% | −856,800−37.3% | Reduced | Holders |
| Q1 2025 | 2,299,567 | $14.1M | 0.5% | +1,299,567+130.0% | Added | Holders |
| Q4 2024 | 1,000,000 | $16.4M | 0.6% | +1,000,000 | New | Holders |