What does 15th Rock invest in?
15th Rock invests most often at Seed (100% of the rounds on record), in sectors such as Capability_expansion, Healthcare and Biotechnology.

Japan · Investor
Last cheque observed Dec 2024. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.
QuietVC firm
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1 rounds on record
Mostly Seed: 100% of its rounds
A VC specialized in capability expansionTranslated from Japanese, from their own website
Every round we can evidence, newest first1 appearances
1 round
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
We hold 5 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
From their own portfolio page (on their website)
CanaeryCellidJizaieLonganvisionMechasysNobiNoteOnerahealthPacific-metaParadromicsProtonintelligenceRipcordSiiiboSun-asteriskTenetWhillYamap8ktAmtechnologiesBloomlifeBpcomCorpCorpDegasafricaEgenesisbioEjentaEnecoatGhoonutsGojoLifestackRobustSpireteStuStylealertTdrk-incTent-inc
Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.
The latest companies 15th Rock put money into.
15th Rock invests most often at Seed (100% of the rounds on record), in sectors such as Capability_expansion, Healthcare and Biotechnology.
1 investments on record, 0 of them in the last 12 months. The most recent was in Dec 2024.
Its most recent investments on record: Proton Intelligence (Seed, Dec 2024).
The median round it joins is $7.0M. It says it writes cheques of $100K to $5.0M.
No investments in the last 12 months; the latest was in Dec 2024.
15th Rock is a VC firm based in Minato, Japan.
Yes: its own website says it reads unsolicited pitches.
From 1 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night.
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it