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Amphastar Pharmaceuticals

203 hedge funds and large institutions have $1.07B invested in Amphastar Pharmaceuticals in 2022 Q1 according to their latest regulatory filings, with 55 funds opening new positions, 69 increasing their positions, 61 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
203
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.66M
Puts
$37.6M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
101
$834K
102
$816K
103
$807K
104
$770K
105
$761K
106
$753K
107
$750K
108
$750K
109
$735K
110
$700K
111
$696K
112
$638K
113
$625K
114
$612K
115
$607K
116
$607K
117
$605K
118
$600K
119
$599K
120
$578K
121
$554K
122
$530K
123
$511K
124
$499K
125
$499K