1,012 hedge funds and large institutions have $59.3B invested in Biogen in 2016 Q3 according to their latest regulatory filings, with 121 funds opening new positions, 338 increasing their positions, 399 reducing their positions, and 67 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:

6% less call options, than puts

Call options by funds: $1.49B | Put options by funds: $1.59B

15% less repeat investments, than reductions

Existing positions increased: 338 | Existing positions reduced: 399

Holders
1,012
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
57
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.49B
Puts
$1.59B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$504M
27
$479M
28
$418M
29
$417M
30
$373M
31
$362M
32
$340M
33
$325M
34
$318M
35
$312M
36
$297M
37
$272M
38
$253M
39
$248M
40
$247M
41
$233M
42
$232M
43
$227M
44
$226M
45
$222M
46
$218M
47
$203M
48
$197M
49
$195M
50
$190M