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Amphastar Pharmaceuticals

59 hedge funds and large institutions have $158M invested in Amphastar Pharmaceuticals in 2015 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 28 increasing their positions, 10 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
59
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
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 Buyers

1 +$20M
2 +$10.4M
3 +$7.86M
4
UBS AM
UBS AM
Illinois
+$4.64M
5
TC
TFS Capital
Pennsylvania
+$4.41M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$31.8M
2
$22.2M
3
$12.8M
4
$12.3M
5
$11M
6
$9.23M
7
$8.12M
8
$6.71M
9
$4.87M
10
$4.64M
11
$4.62M
12
$2.4M
13
$2.28M
14
$1.88M
15
$1.85M
16
$1.78M
17
$1.5M
18
$1.48M
19
$1.41M
20
$1.3M
21
$1.26M
22
$1.22M
23
$1.13M
24
$1.09M
25
$870K