1,048 hedge funds and large institutions have $37.1B invested in Biogen in 2020 Q3 according to their latest regulatory filings, with 96 funds opening new positions, 309 increasing their positions, 433 reducing their positions, and 93 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

less ownership

Funds ownership:

less funds holding

Funds holding:

7% less call options, than puts

Call options by funds: $1.42B | Put options by funds: $1.53B

14% less funds holding in top 10

Funds holding in top 10: 2118 (-3)

29% less repeat investments, than reductions

Existing positions increased: 309 | Existing positions reduced: 433

Holders
1,048
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
18
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.42B
Puts
$1.53B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$213M
27
$209M
28
$203M
29
$203M
30
$197M
31
$191M
32
$182M
33
$182M
34
$180M
35
$180M
36
$169M
37
$168M
38
$160M
39
$149M
40
$147M
41
$143M
42
$124M
43
$123M
44
$123M
45
$119M
46
$119M
47
$115M
48
$112M
49
$111M
50
$108M