Upstream Bio shares owned by Essential Partners
Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by Essential Partners
from 13F filings
Historical chart of Essential Partners investment in Upstream Bio
Tip: Access up to 7 years of quarterly data
All positions including Upstream Bio held by Essential Partners consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Upstream Bio by Essential Partners
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-03-31 | $3.6k | 402 | 9.00 |
| 2025-12-31 | $2.6k | 97 | 27.15 |
| 2025-09-30 | $1.8k | 97 | 18.81 |
| 2025-06-30 | $1.1k | 97 | 10.98 |