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Amphastar Pharmaceuticals

268 hedge funds and large institutions have $1.38B invested in Amphastar Pharmaceuticals in 2024 Q2 according to their latest regulatory filings, with 38 funds opening new positions, 100 increasing their positions, 99 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
268
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 +$27.2M
2 +$13.5M
3 +$11.2M
4
Marshall Wace
Marshall Wace
United Kingdom
+$9.09M
5
Citadel Advisors
Citadel Advisors
Florida
+$7.82M

Top Sellers

1 -$11.3M
2 -$6.65M
3 -$5.77M
4
BlackRock
BlackRock
New York
-$5.46M
5
Federated Hermes
Federated Hermes
Pennsylvania
-$5.29M
Name Holding Trade Value Shares
Change
Change in
Stake
151
$371K
152
$370K
153
$364K
154
$363K
155
$354K
156
$351K
157
$347K
158
$343K
159
$340K
160
$338K
161
$338K
162
$329K
163
$323K
164
$318K
165
$316K
166
$316K
167
$298K
168
$298K
169
$282K
170
$279K
171
$271K
172
$270K
173
$265K
174
$260K
175
$259K