The following notable startups have completed the Y Combinator Accelerator program.
In 2015, Mike Isaac described Y Combinator as: "Y Combinator accepts batches of start-ups twice a year in a semester-like system and gives them money, advice and access to a vast network of start-up founders and technologists who can advise them." Since Fall 2024, Y Combinator has accepted four batches of startups per year.
2005−2010
1000Memories 280 North Airbnb Biographicon Bump Clustrix Disqushttps://wellfound.com/company/disqus/funding Dropboxhttps://medium.com/the-entrepreneurs-manifesto/dropbox-the-idea-viral-video-breakthrough-y-combinator-3016ca1ca52b Ginkgo Bioworks Heroku Homejoy Justin.tvhttps://www.michaelseibel.com/ Listia Loopt Mixpanel NewsBlur Ninite Octopart OMGPophttps://www.inc.com/christine-lagorio/sam-altman-yc-monopoly.html Optimizely OwnLocalhttps://wellfound.com/company/ownlocal/people PagerDuty Parakey Poll Everywhere Posterous Recurse Center (Hacker School) Reddithttps://www.entrepreneur.com/business-news/how-to-start-a-65-billion-business-at-21-years-old-reddit/479210 RethinkDB Scribd SIRUM Songkick Stripe Quora Virtualmin Vote.orghttps://www.forbes.com/sites/moiravetter/2016/05/13/what-can-non-profit-startup-vote-org-do-with-y-combinator-seed-funding-in-178-days/ WakeMate Weeblyhttps://www.bizjournals.com/sanjose/news/2018/04/27/weebly-square-purchase-y-combinator-valuation.html WePay Xobni YouOS Zenter
2011-2015
7 Cups 80,000 Hours 9GAG AirPair Airware Algolia Bellabeat Benchling Bitnami Bluesmart Boosted BufferBox Casetext Canopy Labs Chaldal.com Circle Codecademy Cofactor Genomics Coinbase Container Linux (CoreOS Linux) CrowdMed Creative Market Cruise (autonomous vehicle) Diaspora DoorDash Double Robotics drchrono EquipmentShare Exec Experiment Firebase Flexport Fullstack Academy Gigster GitLab Goldbelly Gusto Hackpad HackerRank Helion Energy Humble Bundle Instacart Kamcord Kickback Lanyrd LeadGenius LendUp LightTable Lumi Matterport MemSQL Meesho Meteor Move Loot Mux New Story Oklo Inc. Opentrons OrderAhead Parse Paribus PatientBank Paystack Pebble (watch) PlanGrid Platzi Podium Product Hunt Quartzy Rigetti Computing Science Exchange SmartAssethttps://www.businesswire.com/news/home/20180620005845/en/SmartAsset-Raises-28-Million-in-Series-C-Funding-Doubling-Its-Venture-Capital-Backing Socialcam Streak Strikingly Survata (Upwave) Swiftype Teespring The Muse (The Daily Muse) Tilt.com True Link uBiome Unbabel Upverter Verbling Watsi Webflow Wefunder Zapier TriNet Zenefits ZeroCater Zesty
2016−2020
Afriex AlpacaDB Boom Technology Brex Coub Deel Inc. Flock Safety Grey Legalist LendEDU Lezzoo Modal Commerce (Drive Motors) Momentus space Netomi (msg.ai) Our World in Data OpenSea Quicknode Rappi Replit Scale AI Sixa Skip Solugen Tara AI The Athletic The Good Food Institutehttps://www.fastcompany.com/90221400/y-combinator-is-funding-a-nonprofit-that-advocates-for-meat-alternatives Upsolve Women Who Code Writesonic Yotta Technologies
2021–2025
Alba Orbital Corgi Starcloud SyntheticFi Turing College (edtech company)
2026–present
References
External links "YC Companies" at ycombinator.com