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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
51
$804K
52
$779K
53
$750K
54
$734K
55
$703K
56
$637K
57
$612K
58
$605K
59
$591K
60
$547K
61
$543K
62
$517K
63
$509K
64
$486K
65
$476K
66
$465K
67
$454K
68
$450K
69
$450K
70
$440K
71
$406K
72
$405K
73
$377K
74
$362K
75
$349K