Joby Aviation Is Spending $450 Million in Cash to Roughly Double Its Revenue
Joby Aviation (JOBY) announced a $500M deal to acquire Resonant Sciences, a defense tech company, for $450M in cash and $50M in stock. Resonant's revenue is nearly as large as Joby's 2026 outlook. Joby's cash reserves are sufficient for the deal, with additional stock sales planned. Joby's stock has fallen significantly, trading near its 52-week low.
How this was made

The 30-second read
Why it matters
The $500 M purchase of Resonant Sciences provides immediate revenue and EBITDA, but consumes a fifth of Joby's cash and may delay further financing needs.
Market read
The deal is a material M&A event for a listed company, altering its revenue mix and cash position, and may influence investor sentiment in the urban air mobility and defense sectors.
What to watch
Integration risk of a defense business with an air‑taxi startup and the timing of FAA certification for passenger flights.
Background
Joby Aviation has struggled to generate revenue from its electric air‑taxi operations, relying heavily on cash raised from equity and convertible notes.
Ticker impact
Joby Aviation announced a $500 million acquisition of Resonant Sciences, a deal that will roughly double its revenue base.
Short‑term pressure on JOBY shares due to cash outflow, with potential upside if the defense segment integrates successfully.
The deal size ($500 M) is material for Joby, the first public disclosure, and the transaction will close in 2027, affecting cash balance and earnings outlook.
Market effects
Adds a defense revenue stream to the electric‑air‑taxi sector, potentially attracting investors seeking diversified exposure.
May boost interest in U.S. defense contractors and related supply chains.
Limited to investors tracking emerging urban air mobility and defense technology markets.
Counterpoint
The acquisition could overextend Joby's balance sheet and dilute shareholders, making the stock a short candidate.
Key entities
- CompanyJoby Aviation
U.S. electric air‑taxi developer (NASDAQ: JOBY).
- CompanyResonant Sciences
Defense technology firm specializing in RF and low‑observability systems.


