Regeneron Pharmaceuticals - 34 Year Stock Price History | REGN

The latest closing stock price for Regeneron Pharmaceuticals as of April 16, 2025 is 549.28.

  • An investor who bought $1,000 worth of Regeneron Pharmaceuticals stock at the IPO in 1991 would have $25,035 today, roughly 25 times their original investment - a 10.06% 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 120.5% above the current share price.
  • The Regeneron Pharmaceuticals 52-week low stock price is 525.99, which is 4.2% below the current share price.
  • The average Regeneron Pharmaceuticals stock price for the last 52 weeks is 888.38.
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 $25,035 today, roughly 25 times their original investment - a 10.06% 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 120.5% above the current share price.
  • The Regeneron Pharmaceuticals 52-week low stock price is 525.99, which is 4.2% below the current share price.
  • The average Regeneron Pharmaceuticals stock price for the last 52 weeks is 888.38.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.