Company:  MASIMO CORP (MASI)
Form Type:  SC 13G/A
Filing Date:  2/13/2012 
CIK:  0000937556 
Address:  40 PARKER 
City, State, Zip:  IRVINE, California 92618 
Telephone:  949-297-7000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$22.11  
Change: 
-0.08 (-0.36%)  
Trade Time: 
May 21  
Market Cap: 
$1.25B
Description of Business
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  FORM SC 13G/A