Druckenmiller is considered one of the best investors of all time.Hedge funds recently filed their latest batch of 13F forms with the U.S. Securities and Exchange Commission, divulging what stocks they held at the end of the second quarter. Comparing those forms to the prior set allows investors to see what stocks hedge funds and billionaires have bought and sold in any given quarter.The market is always curious to see how the leading names in the investing world are allocating capital. Few billionaire inve ...