AMPH icon

Amphastar Pharmaceuticals

168 hedge funds and large institutions have $678M invested in Amphastar Pharmaceuticals in 2021 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 62 increasing their positions, 48 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
168
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$291K
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
101
$320K
102
$314K
103
$313K
104
$304K
105
$298K
106
$291K
107
$280K
108
$275K
109
$275K
110
$270K
111
$257K
112
$255K
113
$254K
114
$254K
115
$246K
116
$241K
117
$241K
118
$236K
119
$224K
120
$223K
121
$174K
122
$156K
123
$144K
124
$133K
125
$117K