Typical Series A round size for cybersecurity startups in the US
Based on 27 Form D filings by United States cybersecurity issuers at Series A stage, filed Oct 2024 – Aug 2026. Updated monthly. Change any segment to compare.
The numbers
- Median Series A raise: $7.5M
- Middle half of rounds: $4.8M – $12.7M
- Filings in sample: 27
- Rounds under $1M: 7%
- Rounds over $5M: 67%
- 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.