Upstream Bio (UPB) Shares Outstanding (2023 - 2025)

Historic Shares Outstanding for Upstream Bio (UPB) over the last 3 years, with Q3 2025 value amounting to $54.0 million.

  • Upstream Bio's Shares Outstanding rose 168484.15% to $54.0 million in Q3 2025 from the same period last year, while for Sep 2025 it was $54.0 million, marking a year-over-year increase of 168484.15%. This contributed to the annual value of $53.6 million for FY2024, which is 169127.06% up from last year.
  • According to the latest figures from Q3 2025, Upstream Bio's Shares Outstanding is $54.0 million, which was up 168484.15% from $53.8 million recorded in Q2 2025.
  • Over the past 5 years, Upstream Bio's Shares Outstanding peaked at $54.0 million during Q3 2025, and registered a low of $3.0 million during Q3 2023.
  • In the last 3 years, Upstream Bio's Shares Outstanding had a median value of $3.0 million in 2024 and averaged $25.6 million.
  • The largest annual percentage gain for Upstream Bio's Shares Outstanding in the last 5 years was 169127.06% (2024), contrasted with its biggest fall of 181.57% (2024).
  • Upstream Bio's Shares Outstanding (Quarter) stood at $3.0 million in 2023, then surged by 1691.27% to $53.6 million in 2024, then increased by 0.74% to $54.0 million in 2025.
  • Its Shares Outstanding stands at $54.0 million for Q3 2025, versus $53.8 million for Q2 2025 and $53.6 million for Q1 2025.