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Amphastar Pharmaceuticals

268 hedge funds and large institutions have $1.38B invested in Amphastar Pharmaceuticals in 2024 Q2 according to their latest regulatory filings, with 38 funds opening new positions, 100 increasing their positions, 99 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
268
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.29M
Puts
$1.12M
Net Calls
Net Calls Change

Top Buyers

1 +$27.2M
2 +$13.5M
3 +$11.2M
4
Marshall Wace
Marshall Wace
United Kingdom
+$9.09M
5
Citadel Advisors
Citadel Advisors
Florida
+$7.82M

Top Sellers

1 -$11.3M
2 -$6.65M
3 -$5.77M
4
BlackRock
BlackRock
New York
-$5.46M
5
Federated Hermes
Federated Hermes
Pennsylvania
-$5.29M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$3.86M
52
$3.75M
53
$3.62M
54
$3.62M
55
$3.46M
56
$3.43M
57
$3.36M
58
$3.22M
59
$3.08M
60
$2.96M
61
$2.87M
62
$2.86M
63
$2.63M
64
$2.6M
65
$2.52M
66
$2.37M
67
$2.36M
68
$2.23M
69
$2.23M
70
$2.2M
71
$2.18M
72
$2.05M
73
$1.99M
74
$1.97M
75
$1.96M