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
26
$842M
27
$835M
28
$802M
29
$793M
30
$786M
31
$772M
32
$686M
33
$681M
34
$680M
35
$667M
36
$639M
37
$630M
38
$629M
39
$623M
40
$593M
41
$570M
42
$537M
43
$533M
44
$519M
45
$518M
46
$514M
47
$510M
48
$493M
49
$471M
50
$459M