Typical Series A round size for healthtech startups in Boston
Based on 11 Form D filings by Boston healthtech issuers at Series A stage, filed Oct 2024 – Jul 2026. Updated monthly. Change any segment to compare.
The numbers
- Median Series A raise: $16.7M
- Middle half of rounds: $13M – $29.8M
- Filings in sample: 11
- Rounds under $1M: 0%
- Rounds over $5M: 82%
- Updated Jul 2026
Read this number carefully
Form D undercounts small SAFE rounds and rounds that rely on other exemptions. Treat the median as a ceiling for "typical", not a target.