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1,924 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
1,924
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
1551
$472K
1552
$472K
1553
$467K
1554
$466K
1555
$466K
1556
$464K
1557
$462K
1558
$453K
1559
$452K
1560
$450K
1561
$450K
1562
$449K
1563
$449K
1564
$449K
1565
$447K
1566
$443K
1567
$441K
1568
$441K
1569
$439K
1570
$439K
1571
$439K
1572
$437K
1573
$436K
1574
$435K
1575
$433K