Funding round
Hermeus Series C
Hermeus, which works in hypersonic aircraft design and manufacturing in Atlanta, raised $350M in a Series C round announced on 7 Apr 2026, led by Khosla Ventures, at a $1.00B post-money valuation. 16 firms took part. It is Hermeus' third venture round on record; the one before was a Series B in Mar 2022.
$350M
Amount raised
of which $150M debt
$1.00B
Post-money valuation
16
Investors
1 lead
20%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Hermeus at $1.00B after the new money. The $350M bought investors about 20% of the company. It came 49 months after Hermeus' Series B. It is 75% of the $466M Hermeus has raised in the venture rounds on record. No later venture round is on record for Hermeus.
Investors
Who put money in
Khosla Ventures led the round with 15 other firms.
Lead investor
- Khosla Ventures backs 396 venture-backed companies new investor
Also in the round
- backs 169 venture-backed companies new investor
- Founders Fund backs 368 venture-backed companies new investor
- RTX Ventures new investor
- backs 64 venture-backed companies new investor
- In-Q-Tel backs 97 venture-backed companies new investor
- Cox Enterprises new investor
- backs 13 venture-backed companies new investor
- backs 2 venture-backed companies new investor
- Georgia Tech Foundation new investor
- 137 Ventures backs 25 venture-backed companies new investor
- GSBackers new investor
- Silicon Valley Bank new investor
- Pinegrove Venture Partners new investor
- backs 29 venture-backed companies new investor
- backs 24 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, scaling operations and working capital.
- Product development
- Scaling operations
- Working capital
Comparable rounds
How it compares
The closest in time: 2 in Aircraft Parts & Services, then Series C rounds in any sector within 6 months:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Skyryse Aircraft Parts & Services | 3 Feb 2026 | $300M | $1.15B | Autopilot and Fidelity Management & Research Company |
| Aircraft Parts & Services | 2 Jun 2025 | $41M | not disclosed | Crédit Mutuel Innovation and BPifrance |
| Slate Auto Automobile Dealers & Manufacturers | 13 Apr 2026 | $650M | not disclosed | TWG Global |
| Buses, Shuttles & Local Transit | 14 Apr 2026 | $170M | $350M | Suzuki Motor Corporation and ACS Group |
| Business Consulting | 16 Apr 2026 | $150M | $1.50B | Khosla Ventures |
| Batteries | 8 Apr 2026 | $141M | not disclosed | Khosla Ventures |
| Tech Companies | 23 Apr 2026 | $120M | $1.50B | ICONIQ |
| Tech Companies | 15 Apr 2026 | $120M | $1.00B | not named |
Sources
Where this comes from
Reported by 6 sources.
Questions
Frequently asked
How much did Hermeus raise in its Series C round?
Hermeus raised $350M in its Series C round, announced in Apr 2026.
Who led Hermeus' Series C round?
Khosla Ventures led it, with Canaan, Founders Fund, RTX Ventures, Bling Capital and In-Q-Tel and 10 more.
What was Hermeus' valuation at the Series C round?
$1.00B post-money.