Typical Series A round size for startups in Boston
Based on 93 Form D filings by Boston all sectors issuers at Series A stage, filed Oct 2024 – Oct 2026. Updated monthly. Change any segment to compare.
The numbers
- Median Series A raise: $11.7M
- Middle half of rounds: $5.3M – $19M
- Filings in sample: 93
- Rounds under $1M: 3%
- Rounds over $5M: 78%
- Updated Oct 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
All sectors · Series A · Bay Area ($17.4M)
All sectors · Series A · New York ($12M)