Y Combinator

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This is an article about the venture capital firm; for the fixed point combinator, see Y combinator.
Y Combinator Logo
Y Combinator Logo

Y Combinator is a seed-stage startup funding firm, started in 2005 by Paul Graham, Robert Morris, Trevor Blackwell, and Jessica Livingston. Y Combinator provides seed money, advice, and connections at two 3-month programs a year in Cambridge and Mountain View. In exchange, they take on average about 6% of the company's equity. Unusually among startup funding firms, Y Combinator provides very little money- usually $5000 + $5000 per founder. This reflects Graham's conviction that between free software, dynamic languages, the web, and Moore's Law, the cost of starting a startup has greatly decreased.

As of January 2008, Y Combinator had funded 80 startups, the best known of which are reddit, Loopt, and Justin.tv. The number of startups funded in each cycle has been gradually increasing. The first cycle in summer 2005 had eight startups. In the summer 2007 cycle, there were 19.

Y Combinator was started after Graham gave a talk at his alma mater, Harvard (where he earned a PhD in Computer Science), which became, "How to Start a Startup".[1] He suggested founders seek seed funding from "angel investors", preferably those who had made money in technology. He half-jokingly added "but not me", but, feeling guilty, he soon after organized Y Combinator to offer seed funding to startups.

[edit] Portfolio

Companies that have received funding from Y Combinator include:

Name Date Business Website Notes
Biographicon Summer 07 Universal wiki biography site. biographicon.com
Anywhere.FM Summer 07 Web Music Network Anywhere.fm Acquired by imeem in January 2008
Appjet Summer 07 Easy hosted web apps appjet.com Public beta as of Dec 2007
Parakey Winter 07 Desktop application platform parakey.com Purchased by Facebook in July 2007.
Virtualmin Winter 07 Virtual server management virtualmin.com
Weebly Winter 07 Point-and-click website creation weebly.com
Xobni Summer 06 Email analytics xobni.com Raised $4.2M Series A from Khosla Ventures, First Round Capital, and others in March 2007
Justin.tv n/a Live video and chat justin.tv Raised $2M Series A from Alsop Louie in July 2007
i'minlikewithyou Winter 06 Social network service i'minlikewithyou.com
YouOS Winter 06 Online operating system YouOS.com Defunct
Loopt Summer 05 Personal geolocation loopt.com Raised $12M Series B in July 2007
reddit Summer 05 Social news reddit.com Purchased by Condé Nast
Scribd 2006 Document Sharing scribd.com Received over $3.7 million from Redpoint Ventures and The Kinsey Hills Group

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