Typical seed round size for biotech startups in Houston
Based on 11 Form D filings by Houston biotech issuers at seed stage, filed Nov 2024 – Aug 2026. Updated monthly. Change any segment to compare.
The numbers
- Median seed raise: $3M
- Middle half of rounds: $1.4M – $4.1M
- Filings in sample: 11
- Rounds under $1M: 18%
- Rounds over $5M: 18%
- Updated Aug 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
Biotech · Seed · Boston ($4.2M)
Biotech · Seed · Bay Area ($3.9M)