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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
1
$255M
2
$125M
3
$89.1M
4
$64.5M
5
$47.5M
6
$26.3M
7
$25.3M
8
$22.1M
9
$20.2M
10
$16.9M
11
$15.4M
12
$14.5M
13
$14.4M
14
$14.1M
15
$13M
16
$12.2M
17
$11.1M
18
$10.4M
19
$9.64M
20
$9.58M
21
$9.04M
22
$9.02M
23
$8.68M
24
$8.54M
25
$8.41M