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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
26
$374M
27
$350M
28
$350M
29
$346M
30
$341M
31
$300M
32
$246M
33
$245M
34
$225M
35
$221M
36
$220M
37
$208M
38
$207M
39
$196M
40
$187M
41
$177M
42
$175M
43
$173M
44
$167M
45
$154M
46
$142M
47
$140M
48
$137M
49
$137M
50
$133M
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