REGN Stock Price | Regeneron Pharmaceuticals Inc. Stock Quote (U.S.: Nasdaq) | MarketWatch

Regeneron Pharmaceuticals, Inc. is a biotechnology company, which engages in the discovery, invention, development, manufacture, and commercialization of medicines. Its product portfolio includes the following brands: EYLEA, Dupixent, Praluent, Kevzara, Libtayo, ARCALYST, and ZALTRAP. The firm accelerates the traditional drug development process through its proprietary VelociSuite technologies such as VelocImmune, which uses unique genetically-humanized mice to produce optimized fully-human antibodies and bispecific antibodies. The company was founded by Alferd G. Gilman, Leonard S. Schleifer, and Eric M. Shooter on January 8, 1988, and is headquartered in Tarrytown, NY.