Poseidon Aerospace is a San Francisco-based aerospace startup founded in 2024 by David Zagaynov and Parker Tenney that builds full-size autonomous cargo aircraft designed to cut the cost of moving freight by air. Its lineup pairs Egret, an unmanned fixed-wing plane, with Heron, a seaplane variant; both are conventional combustion-engine aircraft flown without pilots, and the company flew a quarter-scale prototype called Seagull in 2025 ahead of Egret's first full-scale test flight. It raised an $11M seed in November 2025 and closed a $60M Series A led by TQ Ventures in September 2026, with Hanwha Asset Management, G Squared and JAWS joining as new investors.
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Sep 8, 2026
Latest raise
Funding activity · 1 round
Sep 8, 2026
$60M
Series A
Led by TQ Ventures
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