290 hedge funds and large institutions have $2.87B invested in Ciena in 2015 Q2 according to their latest regulatory filings, with 60 funds opening new positions, 108 increasing their positions, 83 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
290
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$104M
Puts
$112M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$192M
2
$156M
3
$146M
4
$145M
5
$139M
6
$139M
7
$121M
8
$97.2M
9
$90.1M
10
$89.9M
11
$75.9M
12
$71M
13
$58.4M
14
$56.5M
15
$53.4M
16
$47.8M
17
$46.2M
18
$44.8M
19
$42.2M
20
$41M
21
$39.7M
22
$32.6M
23
$31.3M
24
$26.2M
25
$25.7M