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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
76
$1.94M
77
$1.81M
78
$1.66M
79
$1.64M
80
$1.61M
81
$1.57M
82
$1.55M
83
$1.52M
84
$1.43M
85
$1.4M
86
$1.33M
87
$1.27M
88
$1.25M
89
$1.15M
90
$1.14M
91
$1.12M
92
$1.11M
93
$1.11M
94
$1.06M
95
$1.06M
96
$1.04M
97
$1.03M
98
$1.01M
99
$1M
100
$943K