Funding · Nov 5, 2025

Poseidon Aerospace closes $11M seed round led by Tamarack Global

Poseidon Aerospace raised $11 million to develop and manufacture its Egret cargo aircraft and Heron seaplane.

Poseidon Aerospace company media
Company media · Poseidon Aerospace
  • Tamarack Global led, with Draper Associates, Starship Ventures, Drover Ventures, Cade Ventures, GoAhead Ventures and Fortitude VC participating.
  • The financing supports Egret for short or unfinished runways and Heron for water-based operations.
  • The company had flown its quarter-scale Seagull demonstrator and secured a manufacturing facility in Brunswick, Maine.

Developer of pilotless fixed-wing and seaplane cargo aircraft.