Operating margin · 2016–2025
Amphastar Pharmaceuticals operating margin
19.5%−30.5% · FY2025
Amphastar Pharmaceuticals (AMPH) reported 19.5% in operating margin for fiscal 2025, −30.5% year on year.
| Fiscal year | Operating margin | Change | Filing |
|---|---|---|---|
| FY2025 | 19.5% | −30.5% | Derived |
| FY2024 | 28.1% | −8.2% | Derived |
| FY2023 | 30.6% | +41.9% | Derived |
| FY2022 | 21.5% | +34.9% | Derived |
| FY2021 | 16.0% | +409.9% | Derived |
| FY2020 | 3.1% | +3.1 pp | Derived |
| FY2019 | −0.0% | +2.9 pp | Derived |
| FY2018 | −2.9% | −2.4 pp | Derived |
| FY2017 | −0.5% | −6.6 pp | Derived |
| FY2016 | 6.0% | — | Derived |
Operating margin — Operating margin is operating income divided by revenue. Only companies with at least $1 billion in revenue are ranked here.
Every row links to its own SEC filing · Fiscal year 2025 · Data as of September 25, 2026 · 2016–2025 compound annual growth +13.9%
Calculated from two reported figures, so it has no single filing of its own.
Operating margin at companies of similar size
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CompaniesRanked. (September 25, 2026). Amphastar Pharmaceuticals operating margin. CompaniesRanked. https://companiesranked.com/en/company/amphastar-pharmaceuticals/operating-marginBibTeX
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author = {{CompaniesRanked}},
title = {{Amphastar Pharmaceuticals operating margin}},
year = {2026},
howpublished = {\url{https://companiesranked.com/en/company/amphastar-pharmaceuticals/operating-margin}},
note = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
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}The figures are rebuilt with every data refresh, so the reference carries the publication date. Add your own access date if your style requires one.