Amphastar Pharmaceuticals
AMPH
AMPH
238 hedge funds and large institutions have $873M invested in Amphastar Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 34 funds opening new positions, 81 increasing their positions, 89 reducing their positions, and 34 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more capital invested
Capital invested by funds: $ → $
more ownership
Funds ownership: →
more first-time investments, than exits
New positions opened: | Existing positions closed:
9% less repeat investments, than reductions
Existing positions increased: 81 | Existing positions reduced: 89
2% less funds holding
Funds holding: 243 → 238 (-5)
Holders
238
Holding in Top 10
–
Calls
$2.01M
Puts
$381K
Top Buyers
| 1 | +$8.29M | |
| 2 | +$7.56M | |
| 3 | +$7.16M | |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$6.54M |
| 5 |
BCM
Bridgeway Capital Management
Houston,
Texas
|
+$6.06M |
Top Sellers
| 1 | -$8.53M | |
| 2 | -$7.17M | |
| 3 | -$6.08M | |
| 4 |
CI
CX Institutional
Auburn,
Indiana
|
-$5.33M |
| 5 |
BlackRock
New York
|
-$4.9M |
