The question is, looking back 30 years from now, will there as many (or any) public stocks that will have performed as well then, as MS has from 1986 to today?

The question is, looking back 30 years from now, will there as many (or any) public stocks that will have performed as well then, as MS has from 1986 to today? Or will all the explosive early gains in future companies' growth be captured by the private equity ecosystem before the companies go public?