5-1-12-Jetblue (NASDAQ:JBLU) filed 46.69 million shares on behalf of shareholders, the firm said Tuesday.As of March 15th, Jetblue had 283.3 million shares outstanding and a market cap of $1.35 billion.Jetblue shares are down 8.7% year-to-date while the S&P midcap 400 is up 13%.