Cloud computing platform Twilio Inc (TWLO) is up over 50% in 2019 as its year on year revenue growth continues to surpass expectations. 1st quarter 81% year on year growth topped its previous two strong quarters and 2nd quarter expectations predict virtually the same impressive results. While long shareholders gleefully accumulated a 467% return since the end of February 2018, short sellers continued to cut their positions in an effort to realize some of the profits they earned since its IPO in June 2106. As of February 1st, short sellers were up $103 million, +28%, in mark-to-market profits.
