Denver, CO · Founded 2016 · Privately Held (backing)
Developer of an automated external defibrillator (AED) intended to empower anyone, anywhere to save a life from sudden cardiac arrest. HeartHero is based in Denver, CO and was founded in 2016. Its last reported valuation was $20.5 million in Aug 2019. It has raised $18.5 million across 3 recorded rounds; the latest was a $4 million seed round in Jun 2025.
Last reported valuation
$20.5M
Oct 2026
Priced at
—
Total raised
$18.5M
Last round
Seed Round
Jun 2025
Cap table — not yet on record
HeartHero'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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