List of Y Combinator startups

The following notable startups have completed the Y Combinator Accelerator program.[1]

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."[2] Since Fall 2024, Y Combinator has accepted four batches of startups per year.[3]

2005−2010

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2011-2015

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2016−2020

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2021–2025

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References

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  1. ^ Shunina, Dasha. "To Accelerate Or Not? How To Choose The Right Program For Your Startup". Forbes. Retrieved March 21, 2025.
  2. ^ "Y Combinator Will Fund Later-Stage Companies". The New York Times. October 16, 2015.
  3. ^ "Announcing the YC Spring 2025 batch". Y Combinator. Retrieved October 22, 2025.
  4. ^ "Funding for 1000Memories - A Nod to the Power of Digital Memories". February 16, 2011. Archived from the original on November 1, 2011.
  5. ^ "280 North - Products, Competitors, Financials, Employees, Headquarters Locations".
  6. ^ "Airbnb's cofounder makes a compelling argument on why more startups should join the y Combinator accelerator". Business Insider.
  7. ^ "AppJet Makes Simple Web Apps a Breeze". December 12, 2007.
  8. ^ "Meet David Lieb, y Combinator's newest secret weapon". Business Insider.
  9. ^ "Y Combinator's Clustrix rolls out databases that scale". May 4, 2010.
  10. ^ https://wellfound.com/company/disqus/funding
  11. ^ https://medium.com/the-entrepreneurs-manifesto/dropbox-the-idea-viral-video-breakthrough-y-combinator-3016ca1ca52b
  12. ^ "A $4.8 billion biotech wants to trade its expertise for equity in startups looking to manufacture better materials, drugs, and food". Business Insider.
  13. ^ "Heroku founder: Y Combinator developer tools request is a very big deal". October 14, 2014.
  14. ^ "Ex-Homejoy C.E.O.'s Next Start-Up: An Entire City". Vanity Fair. June 28, 2016.
  15. ^ https://www.michaelseibel.com/
  16. ^ "Listia - Company Information | YCDB - the y Combinator Database".
  17. ^ "Sam Altman on y Combinator, Loopt & Work Habits".
  18. ^ "Mixpanel's y Combinator application in 2009". June 26, 2018.
  19. ^ "YC-Backed NewsBlur Takes Feed Reading Back to Its Basics". July 30, 2012.
  20. ^ "Ninite - 2025 Funding Rounds & List of Investors - Tracxn".
  21. ^ "Octopart, the Little Startup That Hung in There". May 19, 2011.
  22. ^ https://www.inc.com/christine-lagorio/sam-altman-yc-monopoly.html
  23. ^ "A/B Tester Optimizely Raises Funding from Battery and Google Ventures, Plans Mobile Launch". May 31, 2012.
  24. ^ https://wellfound.com/company/ownlocal/people
  25. ^ "S28 Capital".
  26. ^ Geron, Tomio (August 27, 2010). "With Own Incubator on Hold, Facebook Befriends y Combinator". Wall Street Journal.
  27. ^ "Y Combinator cofounder Paul Graham lays out why he's voting for Kamala Harris". Business Insider.
  28. ^ "Posterous Cofounder Garry Tan Steps Down, Heads to y Combinator". January 15, 2011.
  29. ^ "Recurse Center - Products, Competitors, Financials, Employees, Headquarters Locations".
  30. ^ https://www.entrepreneur.com/business-news/how-to-start-a-65-billion-business-at-21-years-old-reddit/479210
  31. ^ "The YCombinator list: Bump, Mixpanel, JobPic take off with newest class". August 20, 2009.
  32. ^ "Y Combinator names Scribd cofounder Jared Friedman as partner". October 8, 2015.
  33. ^ "Y Combinator-Backed SIRUM Matches Unused Medicine with Low-Income Patients". March 10, 2015.
  34. ^ "Warner's Songkick strikes partnership with ticketing and marketing company Shoobs". May 3, 2024.
  35. ^ "The Collison Brothers and Story Behind the Founding of Stripe".
  36. ^ "Q: Why Did Quora Join y Combinator? A: It Was Almost Free". May 11, 2014.
  37. ^ "Virtualmin - 2025 Funding Rounds & List of Investors - Tracxn".
  38. ^ https://www.forbes.com/sites/moiravetter/2016/05/13/what-can-non-profit-startup-vote-org-do-with-y-combinator-seed-funding-in-178-days/
  39. ^ "WakeMate (YC S09) on building their business and their YCombinator experience : The Startup Foundry".
  40. ^ https://www.bizjournals.com/sanjose/news/2018/04/27/weebly-square-purchase-y-combinator-valuation.html
  41. ^ "WePay: The Online Payment Start-Up Behind Occupy Wall Street". Forbes.
  42. ^ "A Xobni Executive Leaves the Red-Hot Startup. But Why?". July 24, 2008.
  43. ^ "Y Combinator Startups That Should've Made It". July 29, 2012.
  44. ^ "The 10 Most Successful y Combinator Startups". Business Insider.
  45. ^ "Y Combinator's Top Three Startups from Winter 2014, According to y Combinator Startups". March 28, 2014.
  46. ^ "How Aaron Epstein launched and sold Creative Market in only 15 months".
  47. ^ "EquipmentShare named to y Combinator top companies list as it expands across Heartland". July 27, 2023.
  48. ^ "Prominent startup investor shares a y Combinator one-pager for founders on early-stage funding". January 29, 2025.
  49. ^ "Mux raises $20 million to simplify video streaming and analytics". August 14, 2019.
  50. ^ "A Sam Altman-Backed Nuclear Power Startup Has Doubled Customer Base Without a Product". The New York Observer. August 15, 2024.
  51. ^ "Robots are taking over New York, and Bill Gates is investing". September 13, 2024.
  52. ^ "The 48 startups that launched at y Combinator S16 Demo Day 2". August 24, 2016.
  53. ^ "Nigerian Fintech Startup Paystack Raises $1.3 Million". Forbes.
  54. ^ "Podium Raises $201M in Series D Funding to Accelerate the Digital Evolution for Local Businesses" (Press release).
  55. ^ https://www.businesswire.com/news/home/20180620005845/en/SmartAsset-Raises-28-Million-in-Series-C-Funding-Doubling-Its-Venture-Capital-Backing
  56. ^ "$275M at $7.5B valuation: Y Combinator's Flock Safety to provide a public safety operating system that eliminates crime, eyeing an IPO — TFN". March 14, 2025.
  57. ^ "Nigerian fintech Grey gets backing from y Combinator". February 8, 2022.
  58. ^ "Y Combinator Alum Legalist Seeking $400M for Fourth Credit Fund".
  59. ^ "Lezzoo Delivers Everything: A Kurdistani Super App and Entrepreneurial Success Story".
  60. ^ "With bids starting at $96,000, a y Combinator founder is selling his shuttered startup as an NFT to 'embrace failing'". Business Insider.
  61. ^ "Tara.ai, which uses machine learning to spec out and manage engineering projects, nabs $10M". July 2019.
  62. ^ "The Athletic x STRV | Case Study".
  63. ^ https://www.fastcompany.com/90221400/y-combinator-is-funding-a-nonprofit-that-advocates-for-meat-alternatives
  64. ^ "Scots firm behind pocket-size satellites takes aim at world record after Silicon Valley funding". August 26, 2021.
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