Clever
Acquired
What they do:
The platform that powers technology in the classroom.
Quick facts:
HQ: San Francisco, CA, United States
Top Y Combinator Companies
This list has 91 startups and was last updated on Oct 15, 2026. 29 of them are hiring right now. Biggest hubs: San Francisco (58), New York (6), and Los Angeles (4). Largest teams: DoorDash, Stripe, and Airbnb.
91 startupsPage 3 of 3
Fivestars
Acquired
What they do:
Customer loyalty and payments platform for small businesses.
Quick facts:
HQ: San Francisco, CA, United States
Weebly
Acquired
What they do:
Build a free website that grows with your business.
Quick facts:
HQ: San Francisco, CA, United States
DrChrono
Acquired
What they do:
The essential platform for modern medical practices and patients.
Quick facts:
HQ: San Francisco, CA, United States
CoreOS
Acquired
What they do:
Open source tools of modern distributed systems.
Quick facts:
HQ: San Francisco, CA, United States
Sqreen
Acquired
What they do:
Sqreen is the application security platform for the modern enterprise
Quick facts:
HQ: San Francisco, CA, United States
Paystack
Acquired
What they do:
Modern payments infrastructure for Africa
Quick facts:
OpenInvest
Acquired
What they do:
Values based personalization at scale for asset and wealth management
Quick facts:
HQ: San Francisco, CA, United States
GitPrime
Acquired
What they do:
Visibility and analytics for software development leaders.
Quick facts:
HQ: Durango, CO, United States
HelloSign
Acquired
What they do:
eSignature software for small and mid-market businesses.
Quick facts:
HQ: San Francisco, CA, United States
FutureAdvisor
Acquired
What they do:
The online financial management service for everyone.
Quick facts:
HQ: San Francisco, CA, United States
North
Acquired
What they do:
Wearable computing hardware: biosignal gesture recognition
Quick facts:
Modern Fertility
Acquired
What they do:
At-home fertility test for women who aren't ready for kids right now…
Quick facts:
HQ: San Francisco, CA, United States
Proxy
Acquired
What they do:
Smart ring digital wallet
Quick facts:
HQ: San Francisco, CA, United States
Caper
Acquired
What they do:
Plug-and-play cashier-less retail powered by computer vision and AI
Quick facts:
Cognito
Acquired
What they do:
Frictionless, modern identity verification that starts with just a…
Quick facts:
HQ: San Francisco, CA, United States
OMGPop
Acquired
What they do:
An independent flash game studio.
Quick facts:
HQ: New York, NY, United States
Bear Flag Robotics
Acquired
What they do:
Autonomous driving technology for farm tractors.
Quick facts:
HQ: New York, NY, United States
Moxion Power Co.
Shut down
What they do:
Mobile Energy Storage Technology
Quick facts:
HQ: San Francisco, CA, United States