Upstream Bio shares owned by Alliancebernstein
Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by Alliancebernstein
from 13F filings
Historical chart of Alliancebernstein investment in Upstream Bio
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All positions including Upstream Bio held by Alliancebernstein consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Upstream Bio by Alliancebernstein
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $373k | 20k | 18.81 |
| 2025-06-30 | $270k | 25k | 10.98 |
| 2025-03-31 | $6.7M | 1.1M | 6.12 |
| 2024-12-31 | $18M | 1.1M | 16.44 |