Upstream Bio shares owned by SummitTX Capital
Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by SummitTX Capital
from 13F filings
Historical chart of SummitTX Capital investment in Upstream Bio
Tip: Access up to 7 years of quarterly data
All positions including Upstream Bio held by SummitTX Capital consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Upstream Bio by SummitTX Capital
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $3.2M | 117k | 27.15 |
| 2025-09-30 | $2.1M | 112k | 18.81 |