Regeneron Pharmaceuticals Inc. Stock Underperforms Friday When Compared To Competitors

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Shares of Regeneron Pharmaceuticals Inc. (REGN) slid 1.48% to $781.49 Friday, on what proved to be an all-around positive trading session for the stock market, with the S&P 500 Index rising 0.86% to 7,656.98 and the Dow Jones Industrial Average rising 0.98% to 52,573.29.

This was the stock's sixth consecutive day of losses.

Regeneron Pharmaceuticals Inc. closed 9.06% below its 52-week high of $859.34, which the company reached on September 3rd.

The stock underperformed when compared to some of its competitors Friday, as Amgen Inc. (AMGN) fell 1.34% to $377.35, Moderna Inc. (MRNA) rose 5.38% to $143.97, and Gilead Sciences Inc. (GILD) fell 0.75% to $143.72.

Trading volume (439,006) remained 304,827 below its 50-day average volume of 743,833.

Data source: Dow Jones Market Data, FactSet. Data compiled September 11, 2026.

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09-11-26 1642ET