Key facts
- It has raised $500K across 1 recorded rounds; the latest was Seed Round ($1.0M) in Oct 2013.
- Notable investors include Y Combinator, Refract Ventures.
- Substrate has filed 1 Form D with the SEC, most recently Oct 2013 ($1.0M sold to 11 investors).
- Status: Privately Held (backing).
Investors
2- ·Post-money valuations for all 1 rounds
- ·The complete investor list — 2 names
- ·Watchlist + deal alerts for Substrate
Funding rounds
1 roundsAbout Substrate
Developer of AI-powered workflow automation tools designed for healthcare revenue cycle management. The company's platform deploys autonomous agents for claim status, appeals handling, exception posting, patient refunds, eligibility verification, payer policy review and document analysis, enabling healthcare providers and payers to reduce manual workloads and improve reimbursement accuracy.
- Sector
- Healthcare
- HQ
- San Francisco, CA, United States
- Founded
- 2024
- Employees
- 5
- Website
- substrateai.com/
- Ownership
- Privately Held (backing)
Substrate doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Substrate shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Substrate in its N-PORT filings yet. We sweep new filings monthly.