Pleasanton, CA · Founded 2016 · Privately Held (backing)
Developer of minimally invasive medical devices designed to improve kidney stone treatment outcomes. Calyxo is based in Pleasanton, CA and was founded in 2016. It was valued at $685 million at its later-stage round in Apr 2026, the last priced event on record. It has raised $166 million across 4 recorded rounds; the latest was a $40.1 million early-stage round in Apr 2026.
PMV mark · valuation
$684.6M
Oct 2026
Priced at
its later-stage round
Apr 2026
Total raised
$166.0M
Last round
Early Stage VC
Apr 2026
Cap table — not yet on record
Calyxo'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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·Watch Calyxo: the Monday email on marks, rounds and moves