Amphastar Pharmaceuticals
AMPH
AMPH
241 hedge funds and large institutions have $964M invested in Amphastar Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 32 funds opening new positions, 80 increasing their positions, 95 reducing their positions, and 50 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
less ownership
Funds ownership: →
less funds holding
Funds holding: →
less repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
26% less capital invested
Capital invested by funds: $1.31B → $964M (-$342M)
36% less first-time investments, than exits
New positions opened: 32 | Existing positions closed: 50
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Holders
241
Holding in Top 10
–
Calls
$637K
Puts
$336K
Top Buyers
| 1 | +$19.5M | |
| 2 | +$13.5M | |
| 3 | +$11.9M | |
| 4 |
ECM
ExodusPoint Capital Management
New York
|
+$11M |
| 5 |
RA
Royce & Associates
New York
|
+$7.63M |
Top Sellers
| 1 | -$51M | |
| 2 | -$27.8M | |
| 3 | -$15.6M | |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
-$9.32M |
| 5 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
-$7.61M |