Flagship Pioneering, Inc. is a US-based venture capital firm that focuses on investing in the pharmaceutical, electronic, and medical device sectors. The firm typically engages in Series A through Series E funding rounds, with a strong presence in early to mid-stage investments. Flagship Pioneering is known for its substantial financial backing, often participating in significant funding rounds for innovative companies in its target sectors.

Notable portfolio companies include Moderna, Generate Biomedicines, Indigo Agriculture, and Denali Therapeutics. The firm is led by key decision-makers such as Noubar Afeyan, who is also affiliated with Moderna. Flagship Pioneering emphasizes a pioneering investment philosophy, aiming to create and support transformative companies. They offer unique value-add services such as strategic partnerships, exemplified by their collaboration with Pfizer to develop novel therapeutics for obesity.