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
1476
$580K
1477
$578K
1478
$577K
1479
$577K
1480
$575K
1481
$574K
1482
$573K
1483
$569K
1484
$567K
1485
$567K
1486
$565K
1487
$565K
1488
$563K
1489
$560K
1490
$559K
1491
$558K
1492
$557K
1493
$555K
1494
$555K
1495
$554K
1496
$551K
1497
$551K
1498
$550K
1499
$550K
1500
$550K