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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
26
$10.5M
27
$9.43M
28
$9.09M
29
$8.73M
30
$8.25M
31
$8.06M
32
$7.88M
33
$7.58M
34
$6.78M
35
$6.25M
36
$6.21M
37
$6.14M
38
$5.4M
39
$5.23M
40
$4.99M
41
$4.96M
42
$4.91M
43
$4.59M
44
$4.35M
45
$4.24M
46
$4.23M
47
$4.23M
48
$4.16M
49
$3.9M
50
$3.87M