Regeneron Pharmaceuticals - 34 Year Stock Price History | REGN

The latest closing stock price for Regeneron Pharmaceuticals as of May 09, 2025 is 527.78.

  • An investor who bought $1,000 worth of Regeneron Pharmaceuticals stock at the IPO in 1991 would have $24,016 today, roughly 24 times their original investment - a 9.93% compound annual growth rate over 34 years.
  • The all-time high Regeneron Pharmaceuticals stock closing price was 1200.22 on August 27, 2024.
  • The Regeneron Pharmaceuticals 52-week high stock price is 1211.20, which is 129.5% above the current share price.
  • The Regeneron Pharmaceuticals 52-week low stock price is 520.50, which is 1.4% below the current share price.
  • The average Regeneron Pharmaceuticals stock price for the last 52 weeks is 866.19.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Regeneron Pharmaceuticals - 34 Year Stock Price History | REGN

  • An investor who bought $1,000 worth of Regeneron Pharmaceuticals stock at the IPO in 1991 would have $24,016 today, roughly 24 times their original investment - a 9.93% compound annual growth rate over 34 years.
  • The all-time high Regeneron Pharmaceuticals stock closing price was 1200.22 on August 27, 2024.
  • The Regeneron Pharmaceuticals 52-week high stock price is 1211.20, which is 129.5% above the current share price.
  • The Regeneron Pharmaceuticals 52-week low stock price is 520.50, which is 1.4% below the current share price.
  • The average Regeneron Pharmaceuticals stock price for the last 52 weeks is 866.19.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.