stockrowAmphastar Pharmaceuticals, Inc.
AMPH Healthcare Drug Manufacturers Specialty & Generic
Amphastar Pharmaceuticals, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $719.9 million, down 1.65% from fiscal 2024.
- Revenue
- +8.22%
- EPS
- +134.2%
- Free cash flow
- −29.4%
- Total debt
- +0.57%
Quarter to September 2026, against a year earlier
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Amphastar Pharmaceuticals, Inc. (AMPH) P/E ratio
As of 5 November 2026, Amphastar Pharmaceuticals, Inc. (AMPH) trades at a P/E ratio of 12.3×. Over the past ten years it has ranged from 0.0× (March 2019) to 9,405× (December 2017); the current reading is higher than 32% of that period. That is below the Drug Manufacturers Specialty & Generic industry median of 20.5× and below the Healthcare sector median of 25.2×.
P/E ratio, daily
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Annual newest first
| Period | P/E ratio | Change |
|---|---|---|
| FY2025 | 12.8× | 13.00% |
| FY2024 | 11.3× | (48.54%) |
| FY2023 | 21.9× | 45.44% |
| FY2022 | 15.1× | (15.83%) |
| FY2021 | 17.9× | (96.44%) |
| FY2020 | 503× | 2,610.52% |
| FY2019 | 18.5× | — |
| FY2018 | 0.0× | — |
| FY2017 | 250× | 223.82% |
| FY2016 | 77.1× | — |
Quarterly newest first
| Period | P/E ratio | Change |
|---|---|---|
| Sep 2026 | 11.5× | (1.09%) |
| Jun 2026 | 11.6× | 1.24% |
| Mar 2026 | 11.5× | (10.17%) |
| Dec 2025 | 12.8× | 12.93% |
| 43 more quarters | Free account |
Against its own ten years
P/E ratio against peers
| Company | P/E ratio |
|---|---|
| HROW Harrow, Inc. compare | n/m |
| ALVO Alvotech compare | n/m |
| AMPH Amphastar Pharmaceuticals, Inc. | 12.3× |
| ANIP ANI Pharmaceuticals, Inc. compare | 13.3× |
| PAHC Phibro Animal Health Corporation compare | 14.0× |
| COLL Collegium Pharmaceutical, Inc. compare | 20.5× |
| CRON Cronos Group Inc. compare | 21.9× |
| ETON Eton Pharmaceuticals, Inc. compare | 26.8× |
| PCRX Pacira BioSciences, Inc. compare | 38.4× |
| Drug Manufacturers Specialty & Generic industry median | 20.5× |
| Healthcare sector median | 25.2× |
| Market median | 17.9× |
What P/E ratio is
Price to Earnings Ratio shows how much investors pay for each dollar of a company’s annual profit per share.
Stock Price ÷ EPS (Basic) (TTM)