Upstream Bio shares owned by Wellington Management Company
Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by Wellington Management Company
from 13F filings
Historical chart of Wellington Management Company investment in Upstream Bio
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All positions including Upstream Bio held by Wellington Management Company consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Upstream Bio by Wellington Management Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $21M | 1.1M | 18.81 |
| 2025-06-30 | $14M | 1.2M | 10.98 |
| 2025-03-31 | $8.0M | 1.3M | 6.11 |
| 2024-12-31 | $26M | 1.6M | 16.17 |
More positions owned by Wellington Management Company
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