986 hedge funds and large institutions have $37.1B invested in Biogen in 2019 Q3 according to their latest regulatory filings, with 77 funds opening new positions, 319 increasing their positions, 415 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

18% less first-time investments, than exits

New positions opened: 77 | Existing positions closed: 94

23% less call options, than puts

Call options by funds: $1.07B | Put options by funds: $1.38B

23% less repeat investments, than reductions

Existing positions increased: 319 | Existing positions reduced: 415

Holders
986
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
17
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.07B
Puts
$1.38B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$118M
52
$115M
53
$114M
54
$107M
55
$107M
56
$106M
57
$106M
58
$103M
59
$102M
60
$98.7M
61
$92.4M
62
$90.4M
63
$87.9M
64
$87.1M
65
$86.7M
66
$85.5M
67
$85.4M
68
$84.3M
69
$83.1M
70
$82.4M
71
$82.2M
72
$81.5M
73
$79.8M
74
$78.8M
75
$74.7M