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Amphastar Pharmaceuticals

92 hedge funds and large institutions have $160M invested in Amphastar Pharmaceuticals in 2015 Q3 according to their latest regulatory filings, with 19 funds opening new positions, 37 increasing their positions, 23 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
92
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
$9K
Net Calls
Net Calls Change

Top Sellers

1 -$7.88M
2 -$3.63M
3 -$3.04M
4
Renaissance Technologies
Renaissance Technologies
New York
-$2.17M
5
Two Sigma Investments
Two Sigma Investments
New York
-$2.07M
Name Holding Trade Value Shares
Change
Change in
Stake
26
$1.05M
27
$877K
28
$685K
29
$676K
30
$655K
31
$597K
32
$576K
33
$531K
34
$516K
35
$502K
36
$489K
37
$489K
38
$478K
39
$472K
40
$456K
41
$452K
42
$440K
43
$430K
44
$430K
45
$405K
46
$398K
47
$386K
48
$381K
49
$379K
50
$365K