299 hedge funds and large institutions have $2.78B invested in Ciena in 2015 Q3 according to their latest regulatory filings, with 46 funds opening new positions, 146 increasing their positions, 68 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
299
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$101M
Puts
$81.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$10.4M
52
$10.3M
53
$10M
54
$9.69M
55
$8.96M
56
$8.87M
57
$8.82M
58
$8.6M
59
$8.52M
60
$8.35M
61
$8.28M
62
$8.08M
63
$8.06M
64
$8.05M
65
$8.05M
66
$8.02M
67
$7.9M
68
$7.83M
69
$7.54M
70
$7.49M
71
$7.45M
72
$6.71M
73
$6.68M
74
$6.06M
75
$5.9M