1,096 hedge funds and large institutions have $51.9B invested in Biogen in 2018 Q2 according to their latest regulatory filings, with 82 funds opening new positions, 419 increasing their positions, 413 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,096
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
28
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$755M
Puts
$1.28B
Net Calls
Net Calls Change

Top Buyers

1 +$193M
2 +$192M
3 +$115M
4
ClearBridge Investments
ClearBridge Investments
New York
+$98.9M
5
Invesco
Invesco
Georgia
+$88.1M
Name Holding Trade Value Shares
Change
Change in
Stake
26
$339M
27
$333M
28
$331M
29
$320M
30
$304M
31
$304M
32
$282M
33
$275M
34
$267M
35
$241M
36
$234M
37
$231M
38
$213M
39
$210M
40
$203M
41
$203M
42
$200M
43
$197M
44
$194M
45
$183M
46
$172M
47
$168M
48
$159M
49
$155M
50
$154M