Carl Icahn is making bold moves from the lab to the tarmac.According to his latest 13F filing for the quarter ended March 31, the billionaire activist investor significantly boosted his holdings in Illumina Inc. ILMN and JetBlue Airways Corp. JBLU – a striking bet on both biotech and airlines.Read Also: Carl Icahn Loads Up CVR Energy Stock, Drops $27 Million On Bullish April BingeThree Of Icahn’s Top Holdings Are Healthcare StocksIcahn increased his stake in Illumina by 450%, adding 180,000 shares to bring ...