Amphastar Pharmaceuticals Profit Margin

As of the most recent data (June 2026), AMPH shows a profit margin of 10.76%. That compares with 18.7% in the prior-year period — down 42.5% year over year. That is below the Healthcare sector average of 14.34%. Scroll down for historical charts and peer comparison views.

Compared with the year-ago period, AMPH's profit margin is now 10.76% (was 18.7%) — a 42.5% year-over-year decrease. Pairing that YoY change with peer averages gives a clearer picture of whether Amphastar Pharmaceuticals is outperforming or lagging.

The Healthcare sector average profit margin is about 14.34%. Amphastar Pharmaceuticals is at 10.76%, which is lower that average. That is roughly 25.0% below the sector mean. Use the comparison chart on this page to see how AMPH stacks up against individual peers as well.

That compares with 18.7% in the prior-year period — down 42.5% year over year. Improvement over multiple periods is generally more meaningful than a single strong quarter. Compare Amphastar Pharmaceuticals with peers to see if the move is company-specific or sector-wide.

Besides this profit margin page, Stockcircle has Amphastar Pharmaceuticals's full stock overview, other financial metrics, insider and congress trade tabs, and tools to follow the stock. Together they help you connect profit margin (currently 10.76%) with ownership activity and broader fundamentals.