Altos Labs has raised $3B in total funding. Backed by Jeff Bezos, ARCH Venture Partners.
Altos Labs has raised $3B in total disclosed funding. That places its disclosed total in over $1B. Investors on record include Jeff Bezos, ARCH Venture Partners. 2 distinct backers are named across the disclosed rounds.
Every Altos Labs figure above comes from filings and announced rounds in the StartupFundraising company database and is revised as new rounds are recorded. The lists below compare companies at a similar stage.
Company funding database · Investor directory · Founder database · Mega-rounds 2026