Joby Aviation Is Spending $450 Million in Cash to Roughly Double Its Revenue

Joby Aviation agreed to acquire defense tech firm Resonant Sciences for about $500 million (≈$450M cash, $50M stock), a deal that could roughly double Joby’s revenue on a matched 12-month basis. Resonant generated $100M+ trailing revenue (+40% YoY) with positive adjusted EBITDA and a backlog that more than doubled, but the acquisition won’t close until H1 2027, so near-term financials won’t benefit. The move is seen as a potentially sensible cash use (Joby had ≈$2.3B in cash/short-term investments; expects $385M–$415M cash use in 2H26 plus the $450M payment), while investors still appear focused on whether Joby’s FAA certification and first paid air-taxi flights arrive on schedule.

Analysis

The real market implication is not the revenue math; it is that JOBY is trying to re-rate itself from a single-threaded eVTOL option to a two-engine story with an investable defense annuity. That can support a higher survival multiple over time, but only if the defense asset is accretive to cash generation and not just headline revenue. Near term, the deal is mostly a claim on future optionality because the close sits far out and the company is simultaneously authorizing more equity, so the equity story still hinges on external financing and certification progress, not on this acquisition.

Second-order, the acquisition may actually widen the gap versus smaller eVTOL peers by giving JOBY a balance-sheet-backed fallback if aviation certification drifts, which lowers bankruptcy fear but raises dilution fear. For competitors, the bigger effect is on investor perception: ACHR/EH remain pure-play air-mobility bets, while JOBY becomes harder to model and may attract a different shareholder base that tolerates slower operating milestones in exchange for defense exposure. The defense-tech beneficiary set is likely the niche RF/mission-systems ecosystem, where private asset valuations could stay firm if strategics infer a floor bid for high-growth, mission-critical assets.

Contrarian view: consensus may be overstating the positivity because it treats a future close as if it were current earnings power. The more important 1-3 month catalyst is whether JOBY can show actual paid flight progress and tighter cash burn; absent that, the stock remains a financing-sensitive story. If FAA timing slips or capital markets tighten, the market will likely re-focus on dilution and runway rather than on the acquired backlog.

Key Decisions for Investors

• Avoid adding to JOBY on the acquisition headline; wait for either first paid passenger flights or a clear step-down in quarterly cash burn before considering a long. Time horizon: 1-3 months; thesis fails if certification slips beyond 2026 or equity issuance accelerates.
• Use strength in JOBY to express a bearish financing view via a 6-12 month put spread; the trade benefits if investors refocus on dilution rather than future revenue. Risk/reward improves if management pre-announces further share sales or guidance comes in below plan.
• Long-only alternative: favor diversified defense electronics/mission-systems exposure (e.g., LHX, RTX, NOC) over JOBY if you want to play the defense-theme rerating without eVTOL execution risk. Time horizon: 6-18 months; invalidated if defense M&A cools or growth slows sharply.
• Set an alert for any new equity filing or convertible activity at JOBY; that would be the clearest signal the acquisition is consuming more of the runway than the market is pricing.