Upstream Bio shares owned by Renaissance Technologies
Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by Renaissance Technologies
from 13F filings
Historical chart of Renaissance Technologies investment in Upstream Bio
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Quarterly reported holdings in Upstream Bio by Renaissance Technologies
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $445k | 16k | 27.15 |