Upstream Bio shares owned by Samsara BioCapital
Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by Samsara BioCapital
from 13F filings
Historical chart of Samsara BioCapital investment in Upstream Bio
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All positions including Upstream Bio held by Samsara BioCapital consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Upstream Bio by Samsara BioCapital
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $18M | 962k | 18.81 |
| 2025-06-30 | $16M | 1.4M | 10.98 |
| 2025-03-31 | $13M | 2.1M | 6.12 |
| 2024-12-31 | $36M | 2.2M | 16.44 |