Amphastar Pharmaceuticals, Inc. (AMPH)
NASDAQ: AMPH · Real-Time Price · USD
18.41
+0.25 (1.38%)
At close: May 22, 2026, 4:00 PM EDT
18.05
-0.36 (-1.96%)
After-hours: May 22, 2026, 7:22 PM EDT
Amphastar Pharmaceuticals Market Cap
Amphastar Pharmaceuticals has a market cap or net worth of $811.75 million as of May 22, 2026. Its market cap has decreased by -30.14% in one year.
Market Cap
811.75M
Enterprise Value
1.21B
1-Year Change
-30.14%
Ranking
Category
Stock Price
$18.41
Market Cap Chart
Since June 25, 2014, Amphastar Pharmaceuticals's market cap has increased from $374.20M to $811.75M, an increase of 116.93%. That is a compound annual growth rate of 6.72%.
Market Cap History
| Date | Market Cap | % Change |
|---|---|---|
| May 22, 2026 | 811.80M | -34.03% |
| Dec 31, 2025 | 1.23B | -31.07% |
| Dec 31, 2024 | 1.79B | -39.75% |
| Dec 29, 2023 | 2.96B | 118.81% |
| Dec 30, 2022 | 1.35B | 21.52% |
| Dec 31, 2021 | 1.11B | 16.65% |
| Dec 31, 2020 | 955.30M | 5.51% |
| Dec 31, 2019 | 905.40M | -1.31% |
| Dec 31, 2018 | 917.40M | 3.71% |
| Dec 29, 2017 | 884.60M | 4.34% |
| Dec 30, 2016 | 847.80M | 32.34% |
| Dec 31, 2015 | 640.60M | 23.57% |
| Dec 31, 2014 | 518.40M | 38.54% |
| Jun 25, 2014 | 374.20M | - |
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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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