Menlo Park, CA · Founded 2017 · Privately Held (backing)
Developer of a biocatalyst engineering technology designed to repurpose enzymes to create a new compound. Aether Bio is based in Menlo Park, CA and was founded in 2017. Its last reported valuation was $110 million in Dec 2025. It has raised $73.9 million.
Last reported valuation
$110.0M
Oct 2026
Priced at
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Total raised
$73.9M
Last round
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Cap table — not yet on record
Aether Bio's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·The complete investor list: 28 names
·Watch Aether Bio: the Monday email on marks, rounds and moves
