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14,448 startups · 29 programs

Uncommon Therapeutics

Active · A Disease Focused Biotech, Building Multiple Billion Dollar Drugs

7signal of 100 · rising 4
  • went through YCProgram · this site+4
  • team of 2Team size · YC's directory+2.5

A sum of public facts, not a judgement and not investment advice.

Competitors

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NephrogenShared: crispr, gene therapy, diseaseYC S20ActiveAI

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About Uncommon Therapeutics

Our founder Noah, an experienced tech entrepreneur, was directly impacted by a severe genetic disease when his daughter was diagnosed with Rett Syndrome, a disease that afflicts 1 in 10,000 girls. Using an innovative polytherapy strategy, we’ve successfully improved her quality of life, and have designed new therapeutics that each could be worth billions and together could deliver a cure.

YC batch
W25 · Winter 2025
Status, per YC
Active
Category
Other
Team size
2
Location
San Francisco, CA, USA
Checked
7h ago

YC tags: Gene Therapy, CRISPR, Biotechnology

Uncommon Therapeutics in W25: 166 companies, 84% AI

Uncommon Therapeutics: questions

Which YC batch was Uncommon Therapeutics in?

Uncommon Therapeutics was in Y Combinator's Winter 2025 batch (W25).

Is Uncommon Therapeutics still active?

Y Combinator lists Uncommon Therapeutics as active.

Where is Uncommon Therapeutics based?

Uncommon Therapeutics lists San Francisco, CA, USA as its location on YC's directory.