What they do:
Targeting the Tumor Ecosystem to address cancer drug resistance.
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HQ: San Francisco, CA, United States
Y Combinator Winter 2022 Startups
This list has 398 startups and was last updated on Oct 15, 2026. 81 of them are hiring right now. Biggest hubs: San Francisco (105), New York (51), and Los Angeles (15). Largest teams: Kapital Bank, Remedial Health, and beU delivery. Latest round: WhiteLab Genomics raised €23.2M (Oct 6, 2026).
398 startupsPage 9 of 12
What they do:
Digital program for tinnitus
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HQ: London, United Kingdom
What they do:
The best AI chat you've ever used
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HQ: San Francisco, CA, United States
What they do:
Intelligent Customer Implementation Platform for B2B
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HQ: San Francisco, CA, United States
What they do:
An easier way to deploy and manage cloud apps
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HQ: Atlanta, GA, United States
What they do:
Payments & analytics for apps in the OpenAI GPT Store
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What they do:
D2C Skincare for Eczema
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HQ: San Francisco, CA, United States
What they do:
Turn everyday videos into movies.
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HQ: San Francisco, CA, United States
What they do:
Subscription entertainment news
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HQ: Los Angeles, CA, United States
What they do:
The Operating System of Hollywood
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HQ: Los Angeles, CA, United States
What they do:
Open-source API & UI test automation
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HQ: Wilmington, DE, United States
What they do:
Instant Labs builds modern tools to help you find and buy domain…
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What they do:
AI Agents for Healthcare Intake
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HQ: San Francisco, CA, United States
What they do:
Stealth AI Lab
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HQ: San Francisco, CA, United States
What they do:
AI-native crypto hedge fund
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HQ: Seoul, South Korea
What they do:
Proactive Testing and Treatments
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HQ: New York, NY, United States
YC W22Early stage
What they do:
AI Operations Partner for Mortgage & Banking
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HQ: New York, NY, United States
YC W22Early stage
What they do:
Storefronts on WhatsApp in Southeast Asia
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HQ: Kuala Lumpur, Malaysia
YC W22Early stage
What they do:
AI copilot for real-estate sales teams, powered by proprietary data
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HQ: Saint Petersburg, FL, United States
YC W22Early stage
What they do:
Find a home you can actually afford
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HQ: New York, NY, United States
YC W22Early stage
Rider
Acquired
What they do:
Modern parcel delivery for online sellers in Pakistan.
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HQ: Karachi, Pakistan
Optery
Acquired
What they do:
Opt out software that removes your private info from the internet
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HQ: San Francisco, CA, United States
SkyLink
Acquired
What they do:
Travel Management Meets AI
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HQ: New York, NY, United States
Arc
Acquired
What they do:
Banking & Funding for Startups
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HQ: San Francisco, CA, United States
Pina Earth
Acquired
What they do:
Unlocking carbon markets for European forest owners
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HomeRoom
Acquired
What they do:
We Rent Your Property by the Room. You earn 50% more Rent.
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HQ: San Francisco, CA, United States
Fuell
Acquired
What they do:
Fuell is a leading Expense Management solution that modernizes…
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Requestly
Acquired
What they do:
Open-Source Postman alternative
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HQ: San Francisco, CA, United States
Magna
Acquired
What they do:
Carta for Web3: token vesting and DeFi investment management.
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HQ: New York, NY, United States
Quan
Acquired
What they do:
End-to-end platform to improve wellbeing and team performance.
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HQ: The Hague, Netherlands
Sarus
Acquired
What they do:
Use personal data for analytics and ML, safely and seamlessly
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BharatX
Acquired
What they do:
Enable Buy-Now-Pay-Later in a White-Labelled Manner
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Tola
Acquired
What they do:
The simple, fast and free tool for businesses to pay and get paid
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HQ: San Francisco, CA, United States
Joe
Acquired
What they do:
We let customers "Buy Now Pay Later" on any store in Europe.
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Cypher
Acquired
What they do:
Crypto Neo-Bank (WhatsApp moment for bank accounts)
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HQ: San Francisco, CA, United States
Engage Bio
Acquired
What they do:
Potent, durable, and redosable non-viral genetic medicines
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HQ: San Francisco, CA, United States