Addition is a New York-based venture capital firm founded in 2019 by Lee Fixel, who previously led Tiger Global Management's private equity division. The firm focuses on investing in early and growth-stage technology companies, emphasizing founder-led and technology-enabled businesses. Addition's investment strategy allocates one-third of its capital to early-stage investments, with the remainder directed toward growth-stage opportunities.

The firm has raised four funds to date: Addition One ($1.3 billion in 2020), Addition Two ($1.4 billion in 2020), Addition Three ($1.4 billion in 2021), and Addition Four ($1.5 billion in 2022). Notable investments include Allbirds, Freshworks, Chainalysis, Delhivery, dLocal, Hugging Face, Snyk, Warby Parker, and Zap Energy.