Upstream Bio - 1 Year Stock Price History | UPB

The latest closing stock price for Upstream Bio as of July 11, 2025 is 11.48.

  • An investor who bought $1,000 worth of Upstream Bio stock at the IPO in 2024 would have $-325 today, roughly 0 times their original investment - a -32.47% compound annual growth rate over 1 years.
  • The all-time high Upstream Bio stock closing price was 27.39 on November 05, 2024.
  • The Upstream Bio 52-week high stock price is 29.46, which is 156.6% above the current share price.
  • The Upstream Bio 52-week low stock price is 5.14, which is 55.2% below the current share price.
  • The average Upstream Bio stock price for the last 52 weeks is 13.39.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Upstream Bio - 1 Year Stock Price History | UPB

  • An investor who bought $1,000 worth of Upstream Bio stock at the IPO in 2024 would have $-325 today, roughly 0 times their original investment - a -32.47% compound annual growth rate over 1 years.
  • The all-time high Upstream Bio stock closing price was 27.39 on November 05, 2024.
  • The Upstream Bio 52-week high stock price is 29.46, which is 156.6% above the current share price.
  • The Upstream Bio 52-week low stock price is 5.14, which is 55.2% below the current share price.
  • The average Upstream Bio stock price for the last 52 weeks is 13.39.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.