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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
101
$895K
102
$892K
103
$890K
104
$889K
105
$852K
106
$832K
107
$831K
108
$785K
109
$781K
110
$777K
111
$768K
112
$742K
113
$726K
114
$708K
115
$676K
116
$657K
117
$636K
118
$618K
119
$613K
120
$606K
121
$592K
122
$579K
123
$574K
124
$571K
125
$536K