Oguzhan Atay is the founder of BillionToOne. BillionToOne has raised $300M, latest Series D $273M (2025). Biotech · Menlo Park, CA.
Oguzhan Atay is the founder of BillionToOne. BillionToOne operates in Biotech and is based in Menlo Park, CA. BillionToOne has raised $300M, latest Series D $273M (2025). Backers on record include Berktug Incekas, Eczacıbaşı Momentum.
This founder profile draws on disclosed rounds, filings and investor records in the StartupFundraising database and is updated as new funding is recorded. Founders raising now use profiles like this one to study comparable Biotech journeys in Menlo Park — who backed them, at what stage, and how much they raised.
Full founder directory · Investor directory · Company funding database · Fundraising library