Upstream Bio (UPB) Shares Outstanding (Diluted Average): 2023-2025

Historic Shares Outstanding (Diluted Average) for Upstream Bio (UPB) over the last 2 years, with Sep 2025 value amounting to $53.9 million.

  • Upstream Bio's Shares Outstanding (Diluted Average) rose 1683.93% to $53.9 million in Q3 2025 from the same period last year, while for Sep 2025 it was $53.9 million, marking a year-over-year increase of 1683.93%. This contributed to the annual value of $13.7 million for FY2024, which is 363.22% up from last year.
  • As of Q3 2025, Upstream Bio's Shares Outstanding (Diluted Average) stood at $53.9 million, which was up 0.30% from $53.8 million recorded in Q2 2025.
  • Over the past 5 years, Upstream Bio's Shares Outstanding (Diluted Average) peaked at $53.9 million during Q3 2025, and registered a low of $3.0 million during Q4 2023.
  • Over the past 3 years, Upstream Bio's median Shares Outstanding (Diluted Average) value was $3.0 million (recorded in 2024), while the average stood at $21.1 million.
  • Data for Upstream Bio's Shares Outstanding (Diluted Average) shows a peak YoY skyrocketed of 1,689.88% (in 2025) over the last 5 years.
  • Quarterly analysis of 3 years shows Upstream Bio's Shares Outstanding (Diluted Average) stood at $3.0 million in 2023, then surged by 363.22% to $13.7 million in 2024, then soared by 1,683.93% to $53.9 million in 2025.
  • Its last three reported values are $53.9 million in Q3 2025, $53.8 million for Q2 2025, and $53.6 million during Q1 2025.