|Company Name||# of Hedge Funds||# of Insiders Buying||# of Insiders Selling|
|Biogen Idec Inc. (NASDAQ:BIIB)||31||0||8|
|Illumina, Inc. (NASDAQ:ILMN)||35||0||6|
|BioMarin Pharmaceutical Inc. (NASDAQ:BMRN)||24||3||13|
|Vertex Pharmaceuticals Incorporated (NASDAQ:VRTX)||25||1||7|
|Alexion Pharmaceuticals, Inc. (NASDAQ:ALXN)||24||0||8|
With the returns demonstrated by the aforementioned studies, retail investors must always keep an eye on hedge fund and insider trading sentiment, and Regeneron Pharmaceuticals Inc (NASDAQ:REGN) is an important part of this process.