Amphastar Pharmaceuticals
AMPH
AMPH
262 hedge funds and large institutions have $1.31B invested in Amphastar Pharmaceuticals in 2024 Q4 according to their latest regulatory filings, with 36 funds opening new positions, 84 increasing their positions, 100 reducing their positions, and 49 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more ownership
Funds ownership: →
less funds holding
Funds holding: →
less repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
24% less capital invested
Capital invested by funds: $1.71B → $1.31B (-$408M)
27% less first-time investments, than exits
New positions opened: 36 | Existing positions closed: 49
67% less funds holding in top 10
Funds holding in top 10: 3 → 1 (-2)
Holders
262
Holding in Top 10
1
Calls
$1.02M
Puts
$318K
Top Buyers
| 1 | +$50M | |
| 2 | +$16.3M | |
| 3 | +$15.8M | |
| 4 |
SFM
Systematic Financial Management
Teaneck,
New Jersey
|
+$9.15M |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
+$3.91M |
Top Sellers
| 1 | -$41.7M | |
| 2 | -$15.4M | |
| 3 | -$10.9M | |
| 4 |
Neuberger Berman Group
New York
|
-$8.95M |
| 5 |
PCM
Portolan Capital Management
Boston,
Massachusetts
|
-$7.3M |