HEI vs ALNY Comparison

Heico is an aerospace and defense supplier that focuses on creating niche replacement parts for commercial aircraft and components for defense products. In commercial aerospace, Heico is the largest independent producer of replacement aircraft parts. In the defense market, the company produces niche subcomponents used in targeting technology as well as simulation equipment, among other categories. It operates as two segments: the flight support group,or FSG, and the electronic technologies group, or ETG, both of which supply the aerospace and defense sectors to different degrees. The company is persistently acquisitive, focusing on companies in similar or adjacent markets that are generating strong cash flow and profitable growth potential.

Alnylam Pharmaceuticals is a leader in the study of RNA interference (RNAi) therapeutics. RNAi is a naturally occurring biological pathway within cells for sequence-specific silencing and regulation of gene expression. Alnylam has five drugs on the market: Onpattro and Amvuttra for hATTR amyloidosis, Givlaari for acute hepatic porphyria, Oxlumo for primary hyperoxaluria type 1, and Leqvio for hypercholesterolemia. It also has several clinical programs across various therapeutic areas: genetic medicines; cardio-metabolic diseases; hepatic infectious diseases, and CNS/ocular diseases. Upfront fees from research partnerships have boosted Alnylam's cash levels, and the company stands to see additional milestones and royalties from drugs commercialized under collaboration partnerships.