Repligen - 39 Year Stock Price History | RGEN

The latest closing stock price for Repligen as of May 28, 2025 is 121.18.

  • An investor who bought $1,000 worth of Repligen stock at the IPO in 1986 would have $9,712 today, roughly 10 times their original investment - a 6.27% compound annual growth rate over 39 years.
  • The all-time high Repligen stock closing price was 324.21 on September 23, 2021.
  • The Repligen 52-week high stock price is 182.52, which is 50.6% above the current share price.
  • The Repligen 52-week low stock price is 102.97, which is 15% below the current share price.
  • The average Repligen stock price for the last 52 weeks is 142.86.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Repligen - 39 Year Stock Price History | RGEN

  • An investor who bought $1,000 worth of Repligen stock at the IPO in 1986 would have $9,712 today, roughly 10 times their original investment - a 6.27% compound annual growth rate over 39 years.
  • The all-time high Repligen stock closing price was 324.21 on September 23, 2021.
  • The Repligen 52-week high stock price is 182.52, which is 50.6% above the current share price.
  • The Repligen 52-week low stock price is 102.97, which is 15% below the current share price.
  • The average Repligen stock price for the last 52 weeks is 142.86.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.