Typical seed round size for healthtech startups in Boston
Based on 21 Form D filings by Boston healthtech issuers at seed stage, filed Oct 2024 – Sep 2026. Updated monthly. Change any segment to compare.
The numbers
- Median seed raise: $2.4M
- Middle half of rounds: $800k – $4.5M
- Filings in sample: 21
- Rounds under $1M: 29%
- Rounds over $5M: 19%
- Updated Sep 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.
Compare segments
Healthtech · Seed · New York ($2.7M)
Healthtech · Seed · Bay Area ($2.6M)