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Amphastar Pharmaceuticals

168 hedge funds and large institutions have $678M invested in Amphastar Pharmaceuticals in 2021 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 62 increasing their positions, 48 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
168
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
$291K
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
126
$109K
127
$72K
128
$70K
129
$60K
130
$54K
131
$53K
132
$48K
133
$45K
134
$44K
135
$42K
136
$42K
137
$36K
138
$31.4K
139
$31K
140
$30K
141
$25K
142
$23K
143
$20K
144
$13K
145
$11K
146
$10K
147
$9K
148
$8K
149
$6K
150
$5K