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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
51
$1.18M
52
$1.07M
53
$1.07M
54
$1.02M
55
$907K
56
$897K
57
$866K
58
$860K
59
$845K
60
$840K
61
$837K
62
$836K
63
$830K
64
$800K
65
$796K
66
$792K
67
$779K
68
$756K
69
$709K
70
$705K
71
$698K
72
$698K
73
$671K
74
$649K
75
$626K