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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
76
$623K
77
$622K
78
$619K
79
$612K
80
$606K
81
$582K
82
$562K
83
$541K
84
$541K
85
$534K
86
$524K
87
$487K
88
$476K
89
$466K
90
$451K
91
$451K
92
$421K
93
$418K
94
$415K
95
$408K
96
$372K
97
$351K
98
$345K
99
$339K
100
$330K