OrbiMed Advisors LLC
- SEC CIK
- 0001055951
- Latest filing
- Aug 14, 2026
UPB holding history
Upstream Bio, Inc. in every 13F filed by OrbiMed Advisors LLC, 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 (Q2 2026)
- 5,693,589
- Value
- $39.4M
- % of portfolio
- 0.7%
- Quarters held
- 7
- Since Q4 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 5,693,589 | $39.4M | 0.7% | 00.0% | Unchanged | Holders |
| Q1 2026 | 5,693,589 | $51.2M | 1.2% | 00.0% | Unchanged | Holders |
| Q4 2025 | 5,693,589 | $154.6M | 3.2% | 00.0% | Unchanged | Holders |
| Q3 2025 | 5,693,589 | $107.1M | 2.6% | 00.0% | Unchanged | Holders |
| Q2 2025 | 5,693,589 | $62.5M | 1.6% | 00.0% | Unchanged | Holders |
| Q1 2025 | 5,693,589 | $34.8M | 0.8% | 00.0% | Unchanged | Holders |
| Q4 2024 | 5,693,589 | $93.6M | 1.9% | +5,693,589 | New | Holders |