Technology: Semiconductor Equipment & Materials

As of March 31, 2013
Closing price on 03/31/2013: $18.75
Filers who had this stock in their top 10: 5
13F Filers holding this stock: 119
Aggregate shares on 03/31/2013: 49,647,878
Aggregate shares on 12/31/2012: 49,494,662
Percent change: 0.31%
Funds creating new positions: 12
Funds Adding to an existing position: 53
Funds closing out their position: 20
Funds reducing their position: 50
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Schedule 13D and 13G filings submitted since 03/31/2013

Filing Company Date of
Filing
Total Reported
Shares Owned
Shares Reported
on 13F
SC 13G/A VANGUARD GROUP INC 02/11/2013 3,017,685 3,009,905
SC 13G SAC CAPITAL ADVISORS LP 05/16/2013 2,643,200 2,523,513
SC 13D/A STARBOARD VALUE LP 05/23/2013 4,075,000 4,000,000

13F Filers holding this stock

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Changes in Holdings:

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*Shares are split adjusted
*Please note that if a filer hasn't submitted a 13F filing for a quarter then the filer's shares will be listed as "Sold All"