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

Upstream Bio (UPB) has 3 years of Shares Outstanding (Diluted Average) data on record, last reported at $53.9 million in Q3 2025.

  • For Q3 2025, Shares Outstanding (Diluted Average) rose 1683.93% year-over-year to $53.9 million; the TTM value through Sep 2025 reached $53.9 million, up 1683.93%, while the annual FY2024 figure was $13.7 million, 363.22% up from the prior year.
  • Shares Outstanding (Diluted Average) reached $53.9 million in Q3 2025 per UPB's latest filing, roughly flat from $53.8 million in the prior quarter.
  • Across five years, Shares Outstanding (Diluted Average) topped out at $53.9 million in Q3 2025 and bottomed at $2.9 million in Q3 2023.
  • Average Shares Outstanding (Diluted Average) over 3 years is $21.1 million, with a median of $3.0 million recorded in 2024.
  • Peak YoY movement for Shares Outstanding (Diluted Average): grew 2.66% in 2024, then skyrocketed 1689.88% in 2025.
  • A 3-year view of Shares Outstanding (Diluted Average) shows it stood at $3.0 million in 2023, then surged by 363.22% to $13.7 million in 2024, then soared by 294.17% to $53.9 million in 2025.
  • Per Business Quant database, its latest 3 readings for Shares Outstanding (Diluted Average) were $53.9 million in Q3 2025, $53.8 million in Q2 2025, and $53.6 million in Q1 2025.