AMPH icon

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
151
$370K
152
$364K
153
$363K
154
$354K
155
$351K
156
$347K
157
$343K
158
$340K
159
$338K
160
$338K
161
$329K
162
$323K
163
$318K
164
$316K
165
$316K
166
$298K
167
$298K
168
$282K
169
$279K
170
$271K
171
$270K
172
$265K
173
$260K
174
$259K
175
$250K