|Company Name||# of Hedge Funds||# of Insiders Buying||# of Insiders Selling|
|MannKind Corporation (NASDAQ:MNKD)||6||2||2|
|PDL BioPharma Inc. (NASDAQ:PDLI)||13||0||0|
|Sarepta Therapeutics Inc (NASDAQ:SRPT)||19||0||1|
|Lexicon Pharmaceuticals, Inc. (NASDAQ:LXRX)||9||0||0|
|Santarus, Inc. (NASDAQ:SNTS)||15||1||14|
These tools–short interest data, hedge fund sentiment and insider trading history–are something all readers should be aware of. Though it is difficult to formulate a discernable strategy from short selling filings, the latter two provide lots of market beating opportunities if you know where to look.