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Amphastar Pharmaceuticals

134 hedge funds and large institutions have $442M invested in Amphastar Pharmaceuticals in 2018 Q4 according to their latest regulatory filings, with 32 funds opening new positions, 46 increasing their positions, 36 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
134
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
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$118M
2
$45.5M
3
$37.8M
4
$27M
5
$22.1M
6
$20.3M
7
$11.3M
8
$9.42M
9
$8.9M
10
$8.46M
11
$6.68M
12
$6.64M
13
$6.17M
14
$5.73M
15
$5.59M
16
$5.36M
17
$4.97M
18
$4.92M
19
$4.68M
20
$4.1M
21
$4.06M
22
$4.05M
23
$3.83M
24
$3.28M
25
$2.8M