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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
26
$6.74M
27
$6.42M
28
$6.37M
29
$6.22M
30
$5.54M
31
$5.54M
32
$5.03M
33
$5.02M
34
$4.99M
35
$4.48M
36
$4.18M
37
$4.04M
38
$3.95M
39
$3.43M
40
$3.4M
41
$3.38M
42
$3.29M
43
$3.25M
44
$3.18M
45
$3.13M
46
$2.99M
47
$2.94M
48
$2.9M
49
$2.9M
50
$2.87M