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Amphastar Pharmaceuticals

135 hedge funds and large institutions have $458M invested in Amphastar Pharmaceuticals in 2019 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 58 increasing their positions, 39 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
135
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
$221K
Puts
Net Calls
Net Calls Change

Top Buyers

1 +$3.48M
2 +$3.08M
3 +$2.69M
4
Federated Hermes
Federated Hermes
Pennsylvania
+$2.4M
5
Goldman Sachs
Goldman Sachs
New York
+$1.67M

Top Sellers

1 -$5.03M
2 -$2.57M
3 -$2.45M
4
EI
EAM Investors
California
-$2.43M
5
BlackRock
BlackRock
New York
-$1.77M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$949K
52
$932K
53
$888K
54
$873K
55
$781K
56
$780K
57
$741K
58
$730K
59
$689K
60
$674K
61
$653K
62
$644K
63
$634K
64
$629K
65
$621K
66
$552K
67
$541K
68
$540K
69
$505K
70
$483K
71
$480K
72
$443K
73
$442K
74
$435K
75
$420K