Amphastar Pharmaceuticals, Inc. (AMPH) stock
AMPHNasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 12/3030% below fair value
$29.37+0.50 (+1.73%)
Close on Nov 13, 2026Market cap $1.25BP/E 13.3Yield –
Amphastar Pharmaceuticals market cap
Market capitalization is the share price multiplied by the number of shares outstanding.
Amphastar Pharmaceuticals's market cap was $1.22B on Nov 11, 2026, against $1.28B a year earlier. Over the last 5 years it ranged from $841.40M to $2.96B, with a median of $1.51B.
Market Cap at the end of each year
| Period | Period end | Value | Change |
|---|---|---|---|
| 2026 | Nov 11, 2026 | $1.22B | -2.0% |
| 2025 | Dec 31, 2025 | $1.24B | -30.9% |
| 2024 | Dec 31, 2024 | $1.80B | -39.4% |
| 2023 | Dec 29, 2023 | $2.96B | +117.5% |
| 2022 | Dec 30, 2022 | $1.36B | +21.9% |
| 2021 | Dec 31, 2021 | $1.12B | +16.9% |
| 2020 | Dec 31, 2020 | $955.91M | +5.0% |
| 2019 | Dec 31, 2019 | $910.49M | -0.9% |
| 2018 | Dec 31, 2018 | $918.58M | +4.0% |
| 2017 | Dec 29, 2017 | $883.05M | +4.1% |
| 2016 | Dec 30, 2016 | $848.02M | +31.8% |
| 2015 | Dec 31, 2015 | $643.29M | +24.1% |
| 2014 | Dec 31, 2014 | $518.33M | – |
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