What they do:
Book guaranteed connecting rooms and suites at hotels
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HQ: San Francisco, CA, United States
Y Combinator Summer 2016 Startups
This list has 102 startups and was last updated on Oct 15, 2026. 16 of them are hiring right now. Biggest hubs: San Francisco (54), New York (7), and Los Angeles (4). Largest teams: Meesho, Athelas, and The Athletic. Latest round: Multiply Labs raised $75M (Oct 7, 2026).
102 startupsPage 2 of 3
What they do:
Catch student behavior problems before they start.
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HQ: San Francisco, CA, United States
What they do:
Synvivia applies chemical control over cell behavior
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HQ: San Francisco, CA, United States
What they do:
Content discovery platform for Africa
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HQ: Accra, Ghana
What they do:
Prime Lightworks Inc. manufactures electric propulsion systems for…
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HQ: Culver City, CA, United States
What they do:
ApolloShield is a system that detects unwanted drones and drives them…
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YC S16Early stage
The Athletic
Acquired
What they do:
Subscription sports media.
Quick facts:
HQ: San Francisco, CA, United States
Proxy
Acquired
What they do:
Smart ring digital wallet
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HQ: San Francisco, CA, United States
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HQ: San Francisco, CA, United States
CareRev
Acquired
What they do:
Seamlessly connecting healthcare facilities and professionals through…
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HQ: Remote, OR, United States
garten
Acquired
What they do:
Creating workplace wellbeing.
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HQ: San Francisco, CA, United States
WorkRamp
Acquired
What they do:
The All-in-One Learning Platform
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HQ: San Francisco, CA, United States
Innov8
Acquired
What they do:
We provide co-working offices to startups, freelancers and SMEs in…
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Burrow
Acquired
What they do:
A design brand creating innovative, award winning furniture.
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HQ: New York, NY, United States
CrowdAI
Acquired
What they do:
CrowdAI is the world's leading no-code platform for vision AI
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HQ: San Francisco, CA, United States
SimpleCitizen
Acquired
What they do:
From signup to citizenship, only SimpleCitizen guides applicants…
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HQ: Salt Lake City, UT, United States
Saleswhale
Acquired
What they do:
Saleswhale is an automated sales assistant that follows up with your…
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HQ: Singapore
Seneca Systems
Acquired
What they do:
Constituent system-of-record and service request management software…
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HQ: San Francisco, CA, United States
Techmate
Acquired
What they do:
A technology concierge for your home. We provide on-demand support…
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HQ: New York, NY, United States
Symple
Acquired
What they do:
Last mile logistics for delivery & service teams. We bring real-time…
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HQ: San Francisco, CA, United States
Bulldozair
Acquired
What they do:
Construction management platform
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Vidcode
Acquired
What they do:
Coding for teens
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HQ: San Francisco, CA, United States
NeoWize
Acquired
What they do:
NeoWize created a new type of machine learning algorithm and uses it…
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Opsolutely
Acquired
What they do:
Automated deployments for software teams.
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HQ: San Francisco, CA, United States
Fabric
Acquired
What they do:
Fabric is a personal location-based journal that catalogs experiences…
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HQ: San Francisco, CA, United States
Pursuit
Acquired
What they do:
Revlo helps broadcasters on Twitch engage and monetize their fan…
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HQ: San Francisco, CA, United States
Polymail
Acquired
What they do:
Email productivity platform for business.
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HQ: Marina del Rey, CA, United States
RunKit
Acquired
What they do:
RunKit is the best tool for prototyping server-side JavaScript. RunKit notebooks remove the friction of trying new ideas. With one click, you'll have a…
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HQ: San Francisco, CA, United States
Iris Automation
Acquired
What they do:
Enabling autonomous drone operations globally through AI software
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HQ: San Francisco, CA, United States
Starcity
Acquired
What they do:
Starcity was one of the largest co-living brands. Exit to Common in…
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HQ: San Francisco, CA, United States
YC S16Growth stage
Drivezy
Shut down
What they do:
India's largest vehicle sharing platform, turning people's vehicles…
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Xberts
Shut down
What they do:
Xberts.com is a community-based marketplace for global hardware…
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HQ: San Francisco, CA, United States
Seerslab
Shut down
What they do:
We are providing AR technologies and contents to app developers
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HQ: San Francisco, CA, United States
Kenota (formerly ExVivo Labs)
Shut down
What they do:
Kenota is revolutionizing the way we test for disease
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Shield Bio
Shut down
What they do:
Bringing 3rd generation, nanopore sequencing to healthcare to solve…
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HQ: San Francisco, CA, United States
Mosaix.ai
Shut down
What they do:
Mosaix builds the NLP for the local languages at the emerging markets.
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HQ: San Francisco, CA, United States