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Amphastar Pharmaceuticals

116 hedge funds and large institutions have $388M invested in Amphastar Pharmaceuticals in 2018 Q1 according to their latest regulatory filings, with 17 funds opening new positions, 42 increasing their positions, 36 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
116
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
$44K
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$4.91M
2 +$4.29M
3 +$1.4M
4
Morgan Stanley
Morgan Stanley
New York
+$1.22M
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$1.01M

Top Sellers

1 -$4.69M
2 -$2.85M
3 -$2.84M
4
BlackRock
BlackRock
New York
-$2.12M
5
UBS AM
UBS AM
Illinois
-$1.18M
Name Holding Trade Value Shares
Change
Change in
Stake
26
$3.14M
27
$3.07M
28
$2.47M
29
$2.33M
30
$1.95M
31
$1.94M
32
$1.56M
33
$1.52M
34
$1.5M
35
$1.41M
36
$1.39M
37
$1.25M
38
$1.23M
39
$1.22M
40
$1.21M
41
$1.17M
42
$1.15M
43
$1.15M
44
$1.05M
45
$1.04M
46
$983K
47
$968K
48
$958K
49
$911K
50
$838K