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Amphastar Pharmaceuticals

136 hedge funds and large institutions have $489M invested in Amphastar Pharmaceuticals in 2020 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 55 increasing their positions, 38 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
136
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
$203K
Puts
$1.11M
Net Calls
Net Calls Change

Top Buyers

1 +$5.46M
2 +$2.95M
3 +$2.63M
4
Two Sigma Investments
Two Sigma Investments
New York
+$2.54M
5
Goldman Sachs
Goldman Sachs
New York
+$1.96M

Top Sellers

1 -$7.8M
2 -$4.89M
3 -$2.97M
4
Bessemer Group
Bessemer Group
New Jersey
-$2.51M
5
Renaissance Technologies
Renaissance Technologies
New York
-$2.49M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$854K
52
$770K
53
$768K
54
$760K
55
$719K
56
$686K
57
$683K
58
$654K
59
$641K
60
$640K
61
$602K
62
$568K
63
$554K
64
$532K
65
$522K
66
$486K
67
$472K
68
$467K
69
$460K
70
$448K
71
$407K
72
$407K
73
$405K
74
$390K
75
$390K