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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
101
$268K
102
$267K
103
$264K
104
$262K
105
$260K
106
$241K
107
$241K
108
$229K
109
$227K
110
$227K
111
$224K
112
$195K
113
$190K
114
$178K
115
$170K
116
$167K
117
$165K
118
$139K
119
$122K
120
$108K
121
$94K
122
$49K
123
$47K
124
$40K
125
$33.4K