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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
101
$904K
102
$895K
103
$892K
104
$890K
105
$889K
106
$852K
107
$832K
108
$831K
109
$785K
110
$781K
111
$777K
112
$768K
113
$742K
114
$726K
115
$708K
116
$676K
117
$657K
118
$636K
119
$618K
120
$613K
121
$606K
122
$592K
123
$579K
124
$574K
125
$571K