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Amphastar Pharmaceuticals

134 hedge funds and large institutions have $442M invested in Amphastar Pharmaceuticals in 2018 Q4 according to their latest regulatory filings, with 32 funds opening new positions, 46 increasing their positions, 36 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
134
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$2.66M
27
$2.5M
28
$2.49M
29
$2.45M
30
$2.43M
31
$2.34M
32
$2.07M
33
$1.97M
34
$1.65M
35
$1.51M
36
$1.48M
37
$1.48M
38
$1.43M
39
$1.4M
40
$1.31M
41
$1.24M
42
$1.23M
43
$1.23M
44
$1.14M
45
$1.13M
46
$1.11M
47
$1.06M
48
$959K
49
$958K
50
$953K