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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
1
$38.7M
2
$24.2M
3
$24.2M
4
$23.9M
5
$13.3M
6
$13.2M
7
$9.96M
8
$8.31M
9
$7.11M
10
$7M
11
$5.82M
12
$4.81M
13
$4.24M
14
$4.04M
15
$3.98M
16
$3.95M
17
$3.47M
18
$3.4M
19
$3.32M
20
$3.23M
21
$3.08M
22
$2.38M
23
$2.23M
24
$2.17M
25
$2.12M