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Amphastar Pharmaceuticals

267 hedge funds and large institutions have $1.37B invested in Amphastar Pharmaceuticals in 2024 Q2 according to their latest regulatory filings, with 38 funds opening new positions, 99 increasing their positions, 99 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
267
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.29M
Puts
$1.12M
Net Calls
Net Calls Change

Top Buyers

1 +$28.2M
2 +$14M
3 +$11.6M
4
Marshall Wace
Marshall Wace
United Kingdom
+$9.41M
5
Citadel Advisors
Citadel Advisors
Florida
+$8.1M

Top Sellers

1 -$11.7M
2 -$6.89M
3 -$5.98M
4
BlackRock
BlackRock
New York
-$5.66M
5
Federated Hermes
Federated Hermes
Pennsylvania
-$5.48M
Name Holding Trade Value Shares
Change
Change in
Stake
176
$247K
177
$244K
178
$232K
179
$232K
180
$230K
181
$230K
182
$230K
183
$221K
184
$220K
185
$216K
186
$216K
187
$211K
188
$207K
189
$205K
190
$201K
191
$201K
192
$180K
193
$174K
194
$159K
195
$125K
196
$121K
197
$92.7K
198
$88K
199
$86.1K
200
$85.1K