article_snippet: The head of the world's largest .
article_snippet: Apple stock, at about $120million.
article_snippet: Fortune also holds restricted .
article_snippet: stock worth $665 million if stock were to be fully vested.
article_snippet: The 54-year-old CEO's revelation in Fortune's lengthy .
article_snippet: profile of Fortune is an example of the increasingly public .
article_snippet: luminaries as Microsoft Corp's Bill Gates, Mark .
article_snippet: Zuckerberg of Facebook Inc and Microsoft Corp's .
article_snippet: of a Gates or Zuckerberg - both worth billions of dollars - the .