OSI Systems, Inc. (OSIS)

Technology: Semiconductor Equipment & Materials

As of September 30, 2011
Closing price on 09/30/2011:
$33.52
Filers who had this stock in their top 10:
2
13F Filers holding this stock:
132
Aggregate shares on 09/30/2011:
16,947,160
Aggregate shares on 06/30/2011:
16,672,147
Percent change:
1.649536%

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Schedule 13D and 13G filings submitted since 09/30/2011

Filing Company Date of
Filing		 Total Reported
Shares Owned		 Shares Reported
on 13F
SC 13G/A WELLS FARGO & CO/MN 01/25/2012 1,355,806 1,438,703

13F Filers holding this stock

Quarter 1: Quarter 2:
*Shares are split adjusted