Upstream Bio shares owned by Nantahala Capital Management
Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by Nantahala Capital Management
from 13F filings
Historical chart of Nantahala Capital Management investment in Upstream Bio
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Quarterly reported holdings in Upstream Bio by Nantahala Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $11M | 595k | 18.81 |
| 2025-06-30 | $6.5M | 595k | 10.98 |
| 2025-03-31 | $3.6M | 595k | 6.12 |
| 2024-12-31 | $9.9M | 600k | 16.44 |
More positions owned by Nantahala Capital Management
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