1,708 hedge funds and large institutions have $121B invested in Merck in 2015 Q1 according to their latest regulatory filings, with 91 funds opening new positions, 720 increasing their positions, 656 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,708
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
127
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.09B
Puts
$866M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$442M
52
$431M
53
$420M
54
$411M
55
$384M
56
$377M
57
$371M
58
$360M
59
$357M
60
$357M
61
$354M
62
$353M
63
$339M
64
$334M
65
$317M
66
$316M
67
$312M
68
$307M
69
$305M
70
$303M
71
$289M
72
$278M
73
$272M
74
$251M
75
$251M