Bill Ackman is the founder and CEO of Pershing Square, a hedge fund with around 12.9billioninassetsundermanagement.ThatincludesbillionsofdollarsinvestedinpopularstockslikeAlphabet,Nike,andChipotleMexicanGrill.OnFriday,Feb.7,AckmantooktosocialmediaplatformX(formerlyTwitter)torevealthatPershingSquarehasaccumulated30.3millionsharesinUberTechnologies(UBER3.1274.60 at the ...