Investing.com- You might think that hedge funds own a lot of stocks you've never heard of, but some of their most popular holdings happen to be well-known, market favorites.RBC Capital Markets studied the holdings of 340 hedge funds and came up with a list of the top 20 stocks based on the amount of money invested in them.What RBC calls the "Hedge Fund Hot Dogs" list has outperformed the S&P 500 in five of the past eight years.Here's the top ten and value of holdings.Facebook (NASDAQ:FB) tops the list with $19.4 billion dollars in total holdings. Alphabet (NASDAQ:GOOGL) is a close second. Time Warner is a bit of a surprise.Netflix (NASDAQ:NFLX) is sixth with Visa right behind it. Another surprise perhaps is 21st Century Fox.In case you're wondering about Apple (NASDAQ:AAPL), it dropped from eighth to 18th this year.