Upstream Bio, Inc. UPB Book value per share
Book value per share at other companies
Other financials
Where this comes from
Calculated from Upstream Bio, Inc.’s reported figures.
Based on the most recent quarter.
The official record: Upstream Bio, Inc.’s 10-Q, filed May 13, 2026, on SEC EDGAR. View the filing →
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Questions, answered.
- What is Upstream Bio, Inc.'s book value per share?
- Upstream Bio, Inc. (UPB) reported book value per share of $5.60 in Q1 2026.
- How has Upstream Bio, Inc.'s book value per share changed year-over-year?
- Upstream Bio, Inc.'s book value per share decreased by 32.7% year-over-year, from $8.31 to $5.60.
- What is the long-term trend for Upstream Bio, Inc.'s book value per share?
- Over 2 years (2023 to 2025), Upstream Bio, Inc.'s book value per share has grown at a -61.1% compound annual growth rate (CAGR), from -$41.68 to $6.31.
- What does book value per share mean?
- Shareholders' equity divided by diluted shares outstanding at the quarter end. The accounting (book) value attributable to each share.