Typical seed round size for aerospace / defense startups in the US
Based on 31 Form D filings by United States aerospace / defense issuers at seed stage, filed Oct 2024 – Oct 2026. Updated monthly. Change any segment to compare.
The numbers
- Median seed raise: $4.1M
- Middle half of rounds: $1M – $5.9M
- Filings in sample: 31
- Rounds under $1M: 26%
- Rounds over $5M: 36%
- 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.