Holder
|
Shares
|
% Out
|
Value*
|
Reported
|
Sprott Asset Management Inc
|
821,700
|
5.37
|
14,609,826
|
Jun 30, 2011
|
Royal Bank of Canada
|
524,085
|
3.42
|
9,318,231
|
Jun 30, 2011
|
OPPENHEIMER FUNDS, INC.
|
466,420
|
3.05
|
8,292,947
|
Jun 30, 2011
|
VANGUARD GROUP, INC. (THE)
|
442,352
|
2.89
|
7,865,018
|
Jun 30, 2011
|
GILDER, GAGNON, HOWE & CO.
|
2,905,543
|
18.99
|
51,660,554
|
Jun 30, 2011
|
AGF Investments Inc.
|
297,400
|
1.94
|
5,287,772
|
Jun 30, 2011
|
BlackRock Fund Advisors
|
281,663
|
1.84
|
5,007,968
|
Jun 30, 2011
|
DIMENSIONAL FUND ADVISORS LP
|
256,040
|
1.67
|
4,552,391
|
Jun 30, 2011
|
DEUTSCHE BANK AKTIENGESELLSCHAFT
|
204,910
|
1.34
|
3,643,299
|
Jun 30, 2011
|
TRELLUS MANAGEMENT COMPANY, LLC
|
179,500
|
1.17
|
3,191,510
|
Jun 30, 2011
|
|