Portage Biotech - 30 Year Stock Price History | PRTG

The latest closing stock price for Portage Biotech as of April 17, 2025 is 7.84.

  • An investor who bought $1,000 worth of Portage Biotech stock at the IPO in 1995 would have $-1,000 today, roughly -1 times their original investment - a -25.45% compound annual growth rate over 30 years.
  • The all-time high Portage Biotech stock closing price was 183750.00 on September 13, 1995.
  • The Portage Biotech 52-week high stock price is 23.01, which is 193.5% above the current share price.
  • The Portage Biotech 52-week low stock price is 2.10, which is 73.2% below the current share price.
  • The average Portage Biotech stock price for the last 52 weeks is 4.92.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Portage Biotech - 30 Year Stock Price History | PRTG

  • An investor who bought $1,000 worth of Portage Biotech stock at the IPO in 1995 would have $-1,000 today, roughly -1 times their original investment - a -25.45% compound annual growth rate over 30 years.
  • The all-time high Portage Biotech stock closing price was 183750.00 on September 13, 1995.
  • The Portage Biotech 52-week high stock price is 23.01, which is 193.5% above the current share price.
  • The Portage Biotech 52-week low stock price is 2.10, which is 73.2% below the current share price.
  • The average Portage Biotech stock price for the last 52 weeks is 4.92.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.