|Company Name||# of Hedge Funds||# of Insiders Buying||# of Insiders Selling|
|ACI Worldwide Inc (NASDAQ:ACIW)||12||0||2|
|Mentor Graphics Corp (NASDAQ:MENT)||18||0||6|
|ANSYS, Inc. (NASDAQ:ANSS)||12||0||8|
|PTC Inc (NASDAQ:PMTC)||9||0||8|
|Concur Technologies, Inc. (NASDAQ:CNQR)||10||0||13|
With the results demonstrated by our studies, retail investors must always watch hedge fund and insider trading activity, and National Instruments Corp (NASDAQ:NATI) shareholders fit into this picture quite nicely.