Typical seed round size for startups in Boston
Based on 124 Form D filings by Boston all sectors issuers at seed stage, filed Nov 2024 – Oct 2026. Updated monthly. Change any segment to compare.
The numbers
- Median seed raise: $2.9M
- Middle half of rounds: $1.3M – $5M
- Filings in sample: 124
- Rounds under $1M: 20%
- Rounds over $5M: 24%
- 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 · Seed · Bay Area ($3.5M)
All sectors · Seed · New York ($3.4M)