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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
76
$507K
77
$506K
78
$506K
79
$501K
80
$499K
81
$497K
82
$492K
83
$480K
84
$474K
85
$463K
86
$454K
87
$438K
88
$415K
89
$384K
90
$379K
91
$375K
92
$361K
93
$349K
94
$343K
95
$324K
96
$307K
97
$302K
98
$296K
99
$277K
100
$269K