Protillion Biosciences: Funding, Investors & Team (Sep 2026)
Protillion Biosciences is a Stanford University spinout commercializing disruptive technology for therapeutic antibody and binder discovery. We have developed an entirely novel, powerful and high-throughput protein display platform designed to revolutionize traditional approaches to the design and development of protein-based drugs.
Protillion Biosciences has raised $18.0M across 1 funding round on record, the most recent a Series A of $18.0M announced in Dec 2022.
That round is above the $8.0M median round size for Biotechnology companies tracked on FundedIQ over the last two years.
Protillion Biosciences Company Profile and Key Stats
Latest funding round on record: Dec 2022.
Protillion Biosciences Funding Rounds
Protillion Biosciences Founders and Leadership Team
No contact details are on record for this team yet.
Protillion Biosciences Funding Compared to Other Biotechnology Startups
Protillion Biosciences' latest round of $18.0M is above the median round in Biotechnology. Medians cover the last 24 months of disclosed rounds.
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Protillion Biosciences Funding FAQs
What does Protillion Biosciences do?
Protillion Biosciences is a Stanford University spinout commercializing disruptive technology for therapeutic antibody and binder discovery. We have developed an entirely novel, powerful and high-throughput protein display platform designed to revolutionize traditional approaches to the design and development of protein-based drugs.
How much funding has Protillion Biosciences raised?
Protillion Biosciences has raised $18.0M across 1 round on record. The most recent is a Series A of $18.0M announced in Dec 2022.
When did Protillion Biosciences last raise funding?
Protillion Biosciences' most recent funding round on record is a Series A of $18.0M, announced in Dec 2022.
Who founded Protillion Biosciences?
FundedIQ lists William Greenleaf (Founder) at Protillion Biosciences.
Where is Protillion Biosciences headquartered?
Protillion Biosciences is based in Burlingame, California, United States.
How many employees does Protillion Biosciences have?
Protillion Biosciences is in the 1-10 employee band.
How does Protillion Biosciences' funding compare to other Biotechnology startups?
Protillion Biosciences' latest round of $18.0M is above the $8.0M median round size for Biotechnology companies on FundedIQ across 4,179 tracked companies over the last two years.
About FundedIQ's Protillion Biosciences Funding Data
FundedIQ tracks announced funding rounds and refreshes this profile every week. Round dates, stages and amounts are normalised to a single format, converted to US dollars, and de-duplicated: two records of the same round announced days apart are merged, and two genuinely different rounds are kept apart on the amounts they disclose. Amounts shown are the disclosed figures only — a round announced without a number is listed and excluded from the total rather than estimated.
Employee counts are reported bands, not exact headcounts. Founder and executive names carry the job title on record. Anything we do not hold for Protillion Biosciences is left off this page rather than filled in.
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