Addition is a venture capital firm that focuses on early and growth-stage technology companies. The firm invests across various stages, from seed to Series F, with a particular emphasis on Series A to Series C rounds. Addition's mission is to support visionary entrepreneurs in building impactful and enduring businesses.

Notable portfolio companies include Adept AI, Alchemy, Anyscale, and Chainalysis. Addition has invested in a diverse range of sectors, including artificial intelligence, blockchain, healthcare, and enterprise software. The firm's New York-based team aims to provide strategic support and resources to help portfolio companies scale and achieve long-term success.