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Biogen

884 hedge funds and large institutions have $72.3B invested in Biogen in 2014 Q4 according to their latest regulatory filings, with 130 funds opening new positions, 343 increasing their positions, 279 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
884
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
52
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$975M
Puts
$1.36B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$6.72B
2
$5.83B
3
$4.32B
4
$4.13B
5
$3.43B
6
$2.79B
7
$2.37B
8
$2.13B
9
$1.91B
10
$1.69B
11
$1.54B
12
$1.14B
13
$1.13B
14
$1.07B
15
$985M
16
$940M
17
$920M
18
$910M
19
$861M
20
$745M
21
$722M
22
$704M
23
$648M
24
$648M
25
$631M