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Amphastar Pharmaceuticals

134 hedge funds and large institutions have $418M invested in Amphastar Pharmaceuticals in 2016 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 60 increasing their positions, 22 reducing their positions, and 10 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
$355K
Puts
$448K
Net Calls
Net Calls Change

Top Buyers

1 +$30M
2 +$14.3M
3 +$7.51M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$6.27M
5
State Street
State Street
Massachusetts
+$5.36M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$1.07M
52
$1.02M
53
$1.01M
54
$981K
55
$930K
56
$923K
57
$842K
58
$835K
59
$803K
60
$760K
61
$737K
62
$721K
63
$685K
64
$676K
65
$667K
66
$662K
67
$620K
68
$620K
69
$603K
70
$566K
71
$561K
72
$560K
73
$526K
74
$516K
75
$509K