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
1626
$366K
1627
$362K
1628
$361K
1629
$359K
1630
$359K
1631
$359K
1632
$358K
1633
$357K
1634
$357K
1635
$354K
1636
$352K
1637
$352K
1638
$352K
1639
$351K
1640
$351K
1641
$350K
1642
$349K
1643
$348K
1644
$348K
1645
$348K
1646
$347K
1647
$346K
1648
$345K
1649
$343K
1650
$343K