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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
151
$5K
152
$4K
153
$4K
154
$4K
155
$3.49K
156
$3K
157
$3K
158
$3K
159
$2K
160
$2K
161
$2K
162
$1.54K
163
$1.54K
164
$1K
165
$1K
166
$1K
167
$457
168
169
170
171
172
173
174