Company:  ALTERA CORP (ALTR)
Form Type:  SC 13G/A
Filing Date:  2/13/2012 
CIK:  0000768251 
Address:  101 INNOVATION DR 
City, State, Zip:  SAN JOSE, California 95134 
Telephone:  408.544.8790 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$32.51  
Change: 
-0.29 (-0.88%)  
Trade Time: 
12:39 PM EST  
Market Cap: 
$10.41B
Description of Business
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  FORM SC 13G/A