Poseidon Aerospace develops autonomous cargo aircraft and unmanned seaplanes for logistics and defense.
Founded in 2024 and based in California, Poseidon Aerospace develops autonomous cargo aircraft for commercial and defense logistics. Its platforms include the Heron unmanned seaplane and are intended to transport goods where conventional logistics infrastructure is limited. In September 2026, it raised USD 60 million in Series A funding led by TQ Ventures, with JAWS Estate Capital, G Squared, Hanwha Asset Management, Discipulus Ventures, Sovereign's Capital, and other investors participating. The funding will support aircraft development, testing, and production.
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