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Private company · Brisbane, California
Mammoth Biosciences
Co-founded by Jennifer Doudna around ultra-compact CRISPR proteins small enough to fit inside a single delivery vector.
PreclinicalMiniature editors and diagnostics
In one paragraph
Mammoth searches for and engineers unusually small CRISPR proteins. Size is the point: the standard delivery vehicle for in vivo therapy has a strict weight limit, and a smaller editor leaves room for everything else that has to travel with it. The same proteins also power rapid diagnostic tests.
Mammoth Biosciences was founded in 2017 by Jennifer Doudna, Trevor Martin, Janice Chen and Lucas Harrington. It develops ultracompact CRISPR systems including NanoCas for in vivo editing where AAV packaging limits bind, and CRISPR-based diagnostics derived from collateral cleavage activity.
Not investment advice
This profile is educational information compiled from public disclosures. It is not a recommendation to buy, sell or hold any security, and it is not a view on the company's prospects. Biotechnology is highly speculative and most clinical programmes fail.
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Written by The CRISPR Atlas editorial teamLast updated Aug 19, 2026
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