** J.P. Morgan upgrades gene therapy maker bluebird bio BLUE.O to "neutral" from "underweight" rating, citing co's announcement that it would be taken private
** Brokerage expects co's privatization to take place within 1H25
** BLUE says it will be taken private by Carlyle CG.O and SK Capital Partners
** 1 of 8 brokerages rate BLUE stock "buy", 7 "hold"; their median PT is $10 - LSEG data
** As of last close, stock down ~51.1% YTD
(Reporting by Prakhar Srivastava in Bengaluru)
((Prakhar.srivastava2@thomsonreuters.com))