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Amphastar Pharmaceuticals

95 hedge funds and large institutions have $213M invested in Amphastar Pharmaceuticals in 2015 Q4 according to their latest regulatory filings, with 11 funds opening new positions, 47 increasing their positions, 26 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
95
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
$197K
Puts
$4K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
101
102
103