Venture capital investors in Facebook include Accel Partners, Andreessen Horowitz, Elevation Partners, Founders Fund, Greylock Partners, Kleiner Perkins Caufield & Byers, Meritech Capital Partners, Millennium Technology Value Partners and Technology Crossover Ventures.
Here's the link to the WSJ.com story: http://online.wsj.com/article/SB10001424052702303916904577378513347190148.html
Here are links to prior posts on Facebook:
http://www.allenlatta.com/1/post/2012/04/facebook-targeting-may-17-ipo-date-techcrunch.html http://www.allenlatta.com/1/post/2012/04/the-rationale-behind-facebooks-acquisition-of-instagram.html
http://www.allenlatta.com/1/post/2012/03/facebooks-updated-ipo-registration-statement.html
http://www.allenlatta.com/1/post/2012/2/facebook-files-for-ipo.html