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Amphastar Pharmaceuticals

203 hedge funds and large institutions have $1.07B invested in Amphastar Pharmaceuticals in 2022 Q1 according to their latest regulatory filings, with 55 funds opening new positions, 69 increasing their positions, 61 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
203
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.66M
Puts
$37.6M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
126
$494K
127
$492K
128
$485K
129
$485K
130
$477K
131
$473K
132
$449K
133
$432K
134
$432K
135
$413K
136
$409K
137
$403K
138
$393K
139
$391K
140
$371K
141
$371K
142
$370K
143
$342K
144
$333K
145
$327K
146
$308K
147
$307K
148
$301K
149
$294K
150
$284K