HeartFlow Holding, Inc.

MOUNTAIN VIEW, CA · Founded 2021 · Digital health · Public

AI software that analyzes coronary CT angiography images to assess fractional flow reserve (FFR) and guide coronary artery disease management decisions

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Updated · heartflow.com

Sector
Digital health
Headquarters
MOUNTAIN VIEW, CA
Founded
2021
Latest Form D
$50M, Apr 2025
Total capital
$314M
Federal grants
None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised
$314M
3 Form D · last Apr 2025
19 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

202320242025FEDERAL ↑EQUITY ↓Cumulative $314M1st Form D$216M2nd Form D$48.4M3rd Form D$50M
202320242025FEDERAL ↑EQUITY ↓Cumulative $314M1st Form D$216M2nd Form D$48.4M3rd Form D$50M

Latest events

  • Private capital raisedForm D · SEC · 3rd filing$50M
  • Private capital raisedForm D · SEC · 2nd filing$48.4M
  • Private capital raisedForm D · SEC · 1st filing$216M

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Founders and team

From SEC Form D filings
  • Casey TanseyDirectorNamed in SEC Form D filings
  • Charles TaylorExecutive Officer, DirectorNamed in SEC Form D filings
  • Jeff LightcapDirectorNamed in SEC Form D filings
  • John FarquharExecutive Officer, DirectorNamed in SEC Form D filings
  • Julie CullivanDirectorNamed in SEC Form D filings
  • Lonnie SmithDirectorNamed in SEC Form D filings
Show all 12 people
  • Monica TelladoExecutive OfficerNamed in SEC Form D filings
  • Nicholas DowningDirectorNamed in SEC Form D filings
  • Tim BarabeDirectorNamed in SEC Form D filings
  • Vikram VergheseExecutive OfficerNamed in SEC Form D filings
  • Wayne RileyDirectorNamed in SEC Form D filings
  • William WeldonDirectorNamed in SEC Form D filings

What it has protected

No granted patents are on record.

USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.

Checked: USPTO granted patents and published applications · Oct 23, 2026

  • MEDNET, INC.Similar federal contract value in Digital health · null in contracts
  • Bevel Craft Brewing, Inc.Similar federal contract value in Digital health · null in contracts
  • ANEURISK, INC.Similar federal contract value in Digital health · null in contracts
  • UNIVFY Inc.Similar federal contract value in Digital health · null in contracts
  • SMYL FITNESS RX LLCSimilar federal contract value in Digital health · null in contracts
  • Augmedix, Inc.Similar federal contract value in Digital health · null in contracts

Regulatory activity · Digital health

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .