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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
151
$268K
152
$251K
153
$238K
154
$214K
155
$202K
156
$194K
157
$191K
158
$190K
159
$143K
160
$123K
161
$114K
162
$110K
163
$108K
164
$101K
165
$99K
166
$90K
167
$81.4K
168
$75K
169
$74K
170
$73K
171
$68K
172
$66K
173
$49K
174
$48.6K
175
$42K