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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
51
$340K
52
$336K
53
$316K
54
$283K
55
$263K
56
$263K
57
$252K
58
$248K
59
$246K
60
$230K
61
$218K
62
$202K
63
$196K
64
$187K
65
$178K
66
$176K
67
$169K
68
$156K
69
$152K
70
$146K
71
$116K
72
$98K
73
$93K
74
$88K
75
$87K