company holding pattern across the world's top internet companies

Company Holding types; How many  Internet companies  in the world start up report are Public, Private and  how many have been acquired ?

As the world start up report suggests  that the most bigger and valuable companies  that  make to the top 10 lists are publicly held.This is all the more important why  all successful  start ups should take the public route  eventually
Public companies would on average be 6x bigger than Private companies and over 60 times larger than the average acquisition value (the above  stats show)
8 companies of ‘TOP 10 companies’ list are Public.Post Alibaba's successful   IPO , just one  of company in the TOP 10 is private.