Hermeus Raises $350 million Series C

Hermeus raised $350M in Series C financing. Hermeus is a defense tech company developing high-speed aerospace systems.

What it does

Hermeus is a defense tech company developing high-speed aerospace systems. The business sits in Aerospace, Defense & Space, where funded companies are using fresh capital to deepen product coverage, distribution, or operating capacity.

Traction

$1B valuation. Source coverage says: Hermeus Reaches $1B Valuation After Raising $350M Series C Funding Round.

Trend impact

Hermeus is positioned to displace slower legacy aerospace and defense development cycles. The capital raise matters because it gives the company more room to compete for customers, talent, and mindshare while incumbents and adjacent startups respond with clearer product depth or distribution.

Funding history

• April 9, 2026 · Series C · $350 million · undisclosed investors
• September 1, 2022 · Series B · $100 million · DCVC

Products & services

• Hermeus Reaches capability
• Billion Valuation with capability
• Million Raise to Build Today’s Fastest Aircraft for the American capability
• Warfighter capability
• Hermeus. Speed is life for us capability