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Biogen

776 hedge funds and large institutions have $66.1B invested in Biogen in 2014 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 284 increasing their positions, 294 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
776
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
33
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$893M
Puts
$1.2B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$6.71B
2
$5.35B
3
$3.72B
4
$3.64B
5
$2.92B
6
$2.61B
7
$2.36B
8
$1.94B
9
$1.89B
10
$1.88B
11
$1.49B
12
$1.24B
13
$1.18B
14
$1.01B
15
$995M
16
$897M
17
$808M
18
$808M
19
$786M
20
$760M
21
$737M
22
$698M
23
$676M
24
$668M
25
$649M