1,922 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, 779 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,922
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 +$438M
2 +$334M
3 +$211M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$190M
5
AL
AJO LP
Pennsylvania
+$180M

Top Sellers

1 -$735M
2 -$576M
3 -$231M
4
Renaissance Technologies
Renaissance Technologies
New York
-$177M
5
Bank of New York Mellon
Bank of New York Mellon
New York
-$169M
Name Holding Trade Value Shares
Change
Change in
Stake
1576
$428K
1577
$426K
1578
$425K
1579
$423K
1580
$423K
1581
$423K
1582
$421K
1583
$420K
1584
$420K
1585
$420K
1586
$417K
1587
$410K
1588
$405K
1589
$405K
1590
$404K
1591
$403K
1592
$403K
1593
$401K
1594
$400K
1595
$400K
1596
$399K
1597
$399K
1598
$399K
1599
$398K
1600
$397K