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
51
$236M
52
$193M
53
$180M
54
$177M
55
$175M
56
$174M
57
$171M
58
$166M
59
$157M
60
$157M
61
$149M
62
$148M
63
$143M
64
$141M
65
$139M
66
$137M
67
$132M
68
$129M
69
$129M
70
$129M
71
$128M
72
$126M
73
$113M
74
$111M
75
$111M