Amphastar Pharmaceuticals
AMPH
AMPH
241 hedge funds and large institutions have $965M invested in Amphastar Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 34 funds opening new positions, 80 increasing their positions, 95 reducing their positions, and 49 closing their positions.
Holders
241
Holders Change
-21
Holders Change %
-8.02%
% of All Funds
3.27%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
34
Increased
80
Reduced
95
Closed
49
Calls
$637K
Puts
$336K
Net Calls
+$301K
Net Calls Change
-$398K
Top Buyers
| 1 |
1
Millennium Management
New York
|
$25.2M |
| 2 |
2
Marshall Wace
London,
United Kingdom
|
$29.9M |
| 3 |
3
TD Asset Management
Toronto,
Ontario, Canada
|
$64.1M |
| 4 |
ECM
4
ExodusPoint Capital Management
New York
|
$9.95M |
| 5 |
RA
5
Royce & Associates
New York
|
$7.19M |
