Event

Theseus raises $4.3M seed round for GPS-denied drone navigation

Apr 17, 2025 · Funding · Theseus · Localization

Theseus raised $4.3 million in seed funding to transition its Micro VPS visual-navigation system into a fieldable product.

Evidence notes

  • First Round Capital led the seed round, with participation from Y Combinator and Lux Capital.
  • Micro VPS compares onboard camera imagery with stored satellite maps to provide positioning when GPS is jammed or unavailable.
  • Theseus said the capital would support fielding the system after development and testing with USSOCOM operators across varied terrain.

Company context

Theseus builds software-first visual navigation for drones in GPS-denied environments. Its system fuses visual odometry, map matching and inertial data, then sends standard positioning output to the aircraft flight controller.

Context

Company
Theseus
Segment
Localization
Event type
Funding
Added to Korthos
Jul 18, 2026
Geography
San Francisco, California · United States

Links