ARCH Venture Partners

ARCH Venture Partners ARCH Venture Partners traces back to 1986 when Steven Lazarus founded it; it spun out in 1992 with Keith Crandell, Bob Nelsen, and Clint Bybee. The firm has grown into one of the most prolific deep tech investors in biotech, with Fund XIII closing at over $3B in 2024 and Fund XII at nearly $3B in 2022. Robert Nelsen alone has backed 150+ companies, with 50+ reaching valuations above $1B. Across the firm's history, ARCH has invested in 279 portfolio companies, produced Learn