Y Combinator

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Y Combinator
Type Limited liability company
Founded 2005
Headquarters Mountain View, CA
Industry Venture Capital
Products Investments
Website www.ycombinator.com

Y Combinator is an American 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 per year. From its inception to 2008, one program was held in each of the US cities of Cambridge, Massachusetts and Mountain View, California; in January 2009, Paul Graham announced that henceforth the Cambridge program would be closed and all future programs would take place in Silicon Valley [1]. In exchange, they take an average of about 6% of the company's equity[2]. Unusual among startup funding firms, Y Combinator provides very little money—about $5000 + $5000 per founder[3]. This reflects Graham's conviction that between free software, dynamic languages, the web, and Moore's Law, the cost of founding a startup has greatly decreased[4].

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".[5] 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[6], 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
Posterous Summer 08 Blogs and rich media hosting by email. posterous.com Raised $725,000 seed round
Poll Everywhere Summer 08 Live audience polling with mobile phones polleverywhere.com
Fliggo Summer 08 Create your own video site in seconds fliggo.com
Frogmetrics Summer 08 Customer feedback via touchscreen devices. frogmetrics.com
TicketStumbler Summer 08 Ticket search and comparison. ticketstumbler.com
Startuply Summer 08 Startup jobs. startuply.com
BackType Summer 08 Conversational search engine. backtype.com $300,000 Seed with True Ventures
CO2Stats Summer 08 Making websites green co2stats.com
Omnisio Winter 08 Video sharing omnisio.com Acquired by Google/YouTube in July 2008[7]
280 North Winter 08 Rich web applications, Objective-J, Cappuccino, 280 Slides 280north.com
Heroku Winter 08 Ruby cloud platform heroku.com Raised $3M Series A with Redpoint Ventures and others in May 2008
Dropbox Summer 07 File syncing and sharing getdropbox.com
Disqus Summer 07 Blog comment web service disqus.com Raised $500K from Union Square Ventures[8]
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
SocialPicks Summer 07 Social stock picks socialpicks.com $500,000 Series A with Bay Partners
Parakey Winter 07 Desktop application platform parakey.com Purchased by Facebook in July 2007.
Virtualmin Winter 07 Virtual server management virtualmin.com
Heysan Winter 07 Mobile Social Messaging heysan.com $0.85M Seed with Khosla Ventures and Atomico
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 Closed down on September, 2008.
Snipshot Winter 06 Online image editing Snipshot.com
TextPayMe Winter 06 Mobile Payments TextPayMe.com Acquired by Amazon in July, 2006.
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
ClickFacts Summer 05 Web security clickfacts.com YC share bought out by private investors in January 2006.
Scribd 2006 Document Sharing scribd.com Received over $3.7 million from Redpoint Ventures and The Kinsey Hills Group

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