Amphastar Pharmaceuticals (AMPH) Operating Margin (2013 - 2026)
Amphastar Pharmaceuticals (AMPH) reported Operating Margin of 21.60% for Q2 2026, down 2.58 percentage points from 24.19% a year earlier but up 13.64 percentage points from the prior quarter.
Amphastar Pharmaceuticals (AMPH) Operating Margin (2013 - 2026) Analysis & Trends
Over the twelve months ended Jun 30, 2026, Amphastar Pharmaceuticals' Operating Margin came in at 15.66%, down 9.48 percentage points year-over-year; for FY2025, it came in at 19.50%, down 8.56 percentage points from FY2024.
- Operating Margin has a five-year change of +16.37 percentage points (FY2020 to FY2025).
- By year, Operating Margin came in at 28.06% in FY2024 (-2.51 pp), 30.57% in FY2023 (+9.03 pp), 21.54% in FY2022 (+5.58 pp) and 15.96% in FY2021 (+12.83 pp).
- Five-year quarterly Operating Margin spans a low of 7.96% in Q1 2026 and a high of 40.25% in Q3 2023.
- Year over year, Operating Margin has now declined in each of the last eight quarters, with an average year-over-year change of -8.32 percentage points over the last eight quarters.
- The high point for year-over-year Operating Margin in five years was Q3 2023 (a gain of 20.92 percentage points); the low point was Q3 2025 (a drop of 16.64 percentage points).
- Per Business Quant data, the three quarters before Q2 2026 came in at 7.96% (Q1 2026), 19.45% (Q4 2025) and 13.20% (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 655.56 Bn | 574.09 Bn | 17.26 Bn | 28.21% |
| 2 | AbbVie | 470.94 Bn | 444.10 Bn | 12.70 Bn | 37.86% |
| 3 | Merck | 367.14 Bn | 321.57 Bn | 12.21 Bn | -3.52% |
| 4 | Novartis Ag | 280.33 Bn | 236.20 Bn | 11.24 Bn | 32.97% |
| 5 | Astrazeneca | 257.78 Bn | 231.34 Bn | 12.86 Bn | 20.57% |
| 6 | Amgen | 226.04 Bn | 181.44 Bn | 7.24 Bn | 34.95% |
| 7 | Gilead Sciences | 188.89 Bn | 163.01 Bn | 6.22 Bn | -133.21% |
| 8 | Pfizer | 163.75 Bn | 110.70 Bn | 10.94 Bn | 28.37% |
| 9 | Vertex Pharmaceuticals | 133.68 Bn | 105.69 Bn | 2.84 Bn | 37.40% |
| 10 | Amphastar Pharmaceuticals | 1.16 Bn | 23.86 Mn | 93.47 Mn | 21.60% |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 21.60% |
| Mar 31, 2026 | 7.96% |
| Dec 31, 2025 | 19.45% |
| Sep 30, 2025 | 13.20% |
| Jun 30, 2025 | 24.19% |
| Mar 31, 2025 | 21.87% |
| Dec 31, 2024 | 24.20% |
| Sep 30, 2024 | 29.83% |
| Jun 30, 2024 | 30.27% |
| Mar 31, 2024 | 27.94% |
| Dec 31, 2023 | 30.31% |
| Sep 30, 2023 | 40.25% |
| Jun 30, 2023 | 25.32% |
| Mar 31, 2023 | 23.88% |
| Dec 31, 2022 | 28.02% |
| Sep 30, 2022 | 19.34% |
| Jun 30, 2022 | 20.10% |
| Mar 31, 2022 | 17.96% |
| Dec 31, 2021 | 20.06% |
| Sep 30, 2021 | 22.08% |
Amphastar Pharmaceuticals Operating Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=operating-margin&ticker=AMPH&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "ticker": "AMPH", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=operating-margin&ticker=AMPH&period=max&api_key=YOUR_API_KEY");
const data = await res.json();