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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
76
$79.2K
77
$78K
78
$63K
79
$48K
80
$48K
81
$34K
82
$34K
83
$25K
84
$20K
85
$14K
86
$10K
87
$9K
88
$6K
89
$5K
90
$4K
91
$1K
92
$250
93
94
95
96
97
98
99
100