Y Combinator (YC)

Activity in this selectionHardware

By stage

Seed2

Series A1

Series B1

Undisclosed1

Space tech2

AI1

Climate tech1

Robotics1

United States5

5 in this selection

Aug 20

MIT spinoff building factory-built compact pressurized water reactors

Role not disclosed

Aug 10

Builds AI agents that discover and accelerate new materials for semiconductor chips

$9MSeed

Role not disclosed

Jul 28

Building a new way to understand the physical world

$21MStrategic

Role not disclosed

Mar 30

Builds orbital data centers running AI GPU compute in space

$170MSeries A

Role not disclosed

Mar 25

Develops autonomous exterior cleaning robots and software for professional cleaning businesses

$20MSeries B

Role not disclosed