782 hedge funds and large institutions have $68.4B invested in Biogen in 2014 Q2 according to their latest regulatory filings, with 81 funds opening new positions, 275 increasing their positions, 302 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

9% less repeat investments, than reductions

Existing positions increased: 275 | Existing positions reduced: 302

25% less call options, than puts

Call options by funds: $814M | Put options by funds: $1.09B

Holders
782
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
36
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$814M
Puts
$1.09B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$6.67B
2
$5.44B
3
$3.85B
4
$3.81B
5
$3.04B
6
$2.59B
7
$2.49B
8
$2.24B
9
$1.98B
10
$1.98B
11
$1.54B
12
$1.21B
13
$1.19B
14
$1.04B
15
$1.01B
16
$993M
17
$908M
18
$834M
19
$814M
20
$790M
21
$726M
22
$719M
23
$685M
24
$608M
25
$590M