RTX vs REGN Comparison

RTX is an aerospace and defense manufacturer formed from the merger of United Technologies and Raytheon, with roughly equal exposure across three segments, mostly as a supplier to commercial aerospace and to the defense market: Collins Aerospace, a diversified aerospace supplier; Pratt & Whitney, a commercial and military aircraft engine manufacturer; and Raytheon, a defense prime contractor providing a mix of missiles, missile defense systems, sensors, hardware, and communications technology to the military.

Regeneron Pharmaceuticals discovers, develops, and commercializes products that fight eye disease, cardiovascular disease, cancer, and inflammation. The company has several marketed products, including low-dose Eylea and Eylea HD, approved for wet age-related macular degeneration and other eye diseases; Dupixent in immunology; Praluent for LDL cholesterol lowering; Libtayo in oncology; and Kevzara in rheumatoid arthritis. Regeneron is also developing monoclonal and bispecific antibodies with Sanofi, other collaborators, and independently, and has early-stage partnerships that bring new technology to the pipeline, including RNAi (Alnylam) and Crispr-based gene editing (Intellia).