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Hermeus

DefenseSeries B

Hypersonic aircraft for national defense and rapid global mobility

🌐 www.hermeus.comLinkedInX / Twitter📍 GAEst. 2018👥 51-200 employees
2Rounds
3Articles
General InformationHermeus is a Georgia-based defense-tech startup founded in 2018 with 51-200 employees developing hypersonic aircraft technology for rapid military deployment.
Funding & FinancialsHermeus has raised over $100 million across multiple rounds including Series B funding, with backing from venture and defense-focused investors.
Leadership & TeamCEO AJ Piplica founded Hermeus; the leadership team includes aerospace and defense industry veterans with backgrounds in advanced aircraft development.
Recent ActivityHermeus continues development of its Quarterhorse hypersonic aircraft platform with DARPA and Air Force partnerships, with recent focus on advancing engine and systems integration.

Highlights

Total Raised
2 rounds
Latest Round
$350
Apr 13, 2026
Stage
Series B
defense-tech
Employees
51-200
Founded 2018
Headquarters
GA
News Coverage
3 articles
Last: 17d ago
Talent Signals
SEC Filings

Backers

137 Ventures
Bling Capital
Canaan Partners
Cox Enterprises
Cox Enterprises (via Socium Ventures)
Destiny Tech100
Founders Fund
Georgia Tech Foundation
GSBackers
Hercules Capital
In-Q-Tel
Khosla Ventures
Khosla Ventures (lead)
Pinegrove Venture Partners
RTX Ventures
Silicon Valley Bank (First Citizens division)
Socium Ventures
Trinity Capital

Funding History

$350
2026
Series C
$350
2026
Series C
SEC Form D   Editorial
Apr 13, 2026
$350 millionSeries C · Editorial

Investors: Khosla Ventures, Canaan Partners, Founders Fund, RTX Ventures, Bling Capital, In-Q-Tel, Cox Enterprises, Socium Ventures, Destiny Tech100, Georgia Tech Foundation, 137 Ventures, GSBackers

Hermeus closed $350M Series C ($200M equity, $150M debt) to scale manufacturing and build multiple hypersonic aircraft variants simultaneously, reaching $1B valuation.

View article →
Apr 9, 2026
$350 millionSeries C · Editorial

Investors: Khosla Ventures (lead), Canaan Partners, Founders Fund, RTX Ventures, Bling Capital, In-Q-Tel, Cox Enterprises (via Socium Ventures), Destiny Tech100, Georgia Tech Foundation, 137 Ventures, GSBackers, Silicon Valley Bank (First Citizens division), Pinegrove Venture Partners, Hercules Capital, Trinity Capital

Hermeus closed $350M Series C ($200M equity, $150M debt) led by Khosla Ventures, reaching $1B unicorn valuation to scale production of Quarterhorse hypersonic demonstrator aircraft.

View article →

News Coverage 3

Government Competitions 5

PIT-CH
HyCAT / Quarterhorse· prototype award

Venture-backed defense aviation company building the Quarterhorse high-Mach uncrewed testbed aircraft.

DIU/SOCOM$159.0MMay 28, 2026Source →
AFWERX
AFWERX SBIR· phase 2

Hypersonic aircraft startup developing Mach 5 passenger and military vehicles powered by proprietary turbine engines.

Air Force$1.5MSep 1, 2023
AFWERX
AFWERX Stratfi· phase 2

Hypersonic aircraft developer building Mach 5 capable vehicles for military and commercial point-to-point travel.

Air Force$60.0MApr 1, 2023
AFWERX
AFWERX SBIR Phase 2· phase 2

Hypersonic aircraft startup developing Mach 5 capable vehicles for defense reconnaissance and commercial passenger transport.

Air Force$1.8MApr 1, 2023
AFWERX
AFWERX STRATFI· winner

Hypersonic aircraft startup developing Mach 5 capable vehicles for rapid global transport and defense.

Air Force$60.0MApr 1, 2023

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