1,920 hedge funds and large institutions have $130B invested in Merck in 2017 Q2 according to their latest regulatory filings, with 84 funds opening new positions, 795 increasing their positions, 777 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,920
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
138
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.77B
Puts
$1.17B
Net Calls
Net Calls Change

Top Buyers

1 +$440M
2 +$335M
3 +$212M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$191M
5
AL
AJO LP
Pennsylvania
+$180M

Top Sellers

1 -$738M
2 -$578M
3 -$232M
4
Renaissance Technologies
Renaissance Technologies
New York
-$178M
5
Bank of New York Mellon
Bank of New York Mellon
New York
-$170M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$294M
77
$291M
78
$287M
79
$286M
80
$280M
81
$274M
82
$272M
83
$271M
84
$270M
85
$262M
86
$259M
87
$256M
88
$242M
89
$242M
90
$237M
91
$233M
92
$232M
93
$219M
94
$212M
95
$201M
96
$200M
97
$197M
98
$196M
99
$194M
100
$191M