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Amphastar Pharmaceuticals

104 hedge funds and large institutions have $261M invested in Amphastar Pharmaceuticals in 2016 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 47 increasing their positions, 25 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
104
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
$691K
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$5.9M
2 +$4.14M
3 +$3.98M
4
KI
Kalmar Investments
Delaware
+$3.4M
5
Citadel Advisors
Citadel Advisors
Florida
+$3.27M

Top Sellers

1 -$1.66M
2 -$1.47M
3 -$1.44M
4
UBS AM
UBS AM
Illinois
-$1.15M
5
State Street
State Street
Massachusetts
-$722K
Name Holding Trade Value Shares
Change
Change in
Stake
51
$526K
52
$492K
53
$488K
54
$467K
55
$449K
56
$438K
57
$424K
58
$418K
59
$408K
60
$403K
61
$396K
62
$386K
63
$340K
64
$330K
65
$327K
66
$324K
67
$322K
68
$316K
69
$296K
70
$292K
71
$292K
72
$258K
73
$235K
74
$233K
75
$229K