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Amphastar Pharmaceuticals

146 hedge funds and large institutions have $549M invested in Amphastar Pharmaceuticals in 2021 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 53 increasing their positions, 44 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
146
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

Top Sellers

1 -$2.93M
2 -$2.34M
3 -$2.17M
4
Millennium Management
Millennium Management
New York
-$2.08M
5
Federated Hermes
Federated Hermes
Pennsylvania
-$2.01M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$147M
2
$67.4M
3
$49.6M
4
$34.2M
5
$29M
6
$17M
7
$15.9M
8
$13.9M
9
$11.2M
10
$8.74M
11
$8.45M
12
$8.35M
13
$8.05M
14
$7.61M
15
$7.42M
16
$7.17M
17
$6.14M
18
$5.67M
19
$5.11M
20
$5.11M
21
$4.98M
22
$3.9M
23
$3.83M
24
$3.83M
25
$3.73M