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
51
$153M
52
$147M
53
$139M
54
$134M
55
$131M
56
$130M
57
$129M
58
$127M
59
$126M
60
$124M
61
$123M
62
$122M
63
$122M
64
$121M
65
$119M
66
$118M
67
$117M
68
$112M
69
$111M
70
$110M
71
$105M
72
$104M
73
$103M
74
$103M
75
$102M