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
1
$12.4B
2
$11.9B
3
$7.74B
4
$6.87B
5
$6.1B
6
$3.73B
7
$2.59B
8
$2.26B
9
$2.26B
10
$2.24B
11
$1.82B
12
$1.76B
13
$1.73B
14
$1.48B
15
$1.4B
16
$1.33B
17
$1.31B
18
$1.19B
19
$1.01B
20
$996M
21
$971M
22
$939M
23
$933M
24
$869M
25
$860M