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Biogen
BIIB

Overview Fund Trends Analyst Outlook Journalist POV

646 hedge funds and large institutions have $47.5B invested in Biogen in 2013 Q2 according to their latest regulatory filings, with 646 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

less call options, than puts

Call options by funds: $ | Put options by funds: $
Holders
646
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$527M
Puts
$606M
Net Calls
Net Calls Change

Top Buyers

No buyers this quarter

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
1
$5.06B
2
$3.93B
3
$2.44B
4
$2.36B
5
$2.19B
6
$2.11B
7
$1.96B
8
$1.78B
9
$1.37B
10
$1.36B
11
$983M
12
$860M
13
$763M
14
$720M
15
$704M
16
$681M
17
$678M
18
$643M
19
$643M
20
$605M
21
$547M
22
$547M
23
$479M
24
$416M
25
$398M
1
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