Upstream Bio (UPB) Shares Outstanding: 2023-2024

Historic Shares Outstanding for Upstream Bio (UPB) over the last 2 years, with Dec 2024 value amounting to $53.6 million.

  • Upstream Bio's Shares Outstanding rose 1684.84% 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 1684.84%. This contributed to the annual value of $53.6 million for FY2024, which is 1691.27% up from last year.
  • Upstream Bio's Shares Outstanding amounted to $53.6 million in FY2024, which was up 1,691.27% from $3.0 million recorded in FY2023.
  • In the past 5 years, Upstream Bio's Shares Outstanding registered a high of $53.6 million during FY2024, and its lowest value of $3.0 million during FY2023.
  • Its 2-year average for Shares Outstanding is $28.3 million, with a median of $28.3 million in 2023.
  • Data for Upstream Bio's Shares Outstanding shows a peak YoY surged of 1,691.27% (in 2024) over the last 5 years.
  • Yearly analysis of 2 years shows Upstream Bio's Shares Outstanding stood at $3.0 million in 2023, then surged by 1,691.27% to $53.6 million in 2024.