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Companies

Subsalt

Synthetic patient data for health research and AI

Raised to date

$3M

of $3.2M offered across 2 Form D filings

Still open
$161K
Investors
2
Last filed
Apr 8, 2026

About

Subsalt is a health-data infrastructure company that lets healthcare organizations share clinical data for research and AI without waiting on manual governance review. Its platform generates statistically faithful synthetic datasets from real patient data so analysts can explore and build against them in minutes rather than months, and provides a runtime for executing code against the underlying real data with automated de-identification of every output. The company markets HIPAA compliance and SOC 2 Type II certification, with its de-identification methodology evaluated by Datavant. It was founded in 2021 and is based in Charlotte, North Carolina.

Pairs synthetic data for open exploration with a secure runtime that audits and verifies outputs are de-identified before release, so the same platform satisfies both the data team and the compliance/legal team and produces auditable data lineage.

Funding

Sep 2025Mar 2026
Now

$3.1M round, first sold Mar 2026: $2.9M sold, $161K still open

  • EquityFiled Apr 8, 2026Form D
    $2.9M/ $3.1M
  • EquityFiled Apr 1, 2026Form D
    $100K/ $100K

Product

Synthetic Data Explorer

Healthcare data platform

Generates statistically faithful synthetic versions of an organization's clinical datasets and makes them available for exploration in minutes, without IRB review, BAA negotiation, or the usual governance queue.

  • Statistically faithful synthetic datasets derived from real clinical data
  • No IRB review or BAA negotiation required to explore
  • HIPAA-compliant and SOC 2 Type II certified

Built for

Research and data teams inside healthcare organizations, including academic medical centers

People on file