Founders Fund
Multi-stage
Investment focus
Founders Fund backs ambitious founders building transformative technology companies — especially in hard tech, defense, space, and AI — that others consider too difficult or too bold to attempt.
Founded2005
HQSan Francisco, CA
RegionUS · SF Bay
StagesSeed · Series A · Series B · Growth
Check size$10M–$500M+ (growth fund checks avg ~$460M per company as of 2025)
Sectors
DeepTechAICryptoBioEnterprise
Notable portfolio
SpaceXPalantirStripeAndurilAirbnbNeuralinkNubankRamp
Recent activity (2025–26)
- Anduril Series G (~$1B, 2025)
- OpenAI funding round participation ($8.3B round, 2025)
- Varda Space Industries ($187M round, 2025)
