New M Fool article on Soros increasing SRPT stake. Speculates SRPT a takeover target.
Soros's SEC 13f was reported on Dec 31, 2012. Do you have any current info on recent purchases? If so, please reference.
if you search "February 19, 2013 Soros Srpt" on Yahoo you will find this new article
Among holdings in which Soros Fund Management increased its stake were Micron Technology (NASDAQ: MU ) and Sarepta Therapeutics (NASDAQ: SRPT )