Amphastar Pharmaceuticals - 12 Year Stock Price History | AMPH
Historical daily share price chart and data for Amphastar Pharmaceuticals since 2014 adjusted for splits and dividends. The latest closing stock price for Amphastar Pharmaceuticals as of September 17, 2026 is 23.82.
- The all-time high Amphastar Pharmaceuticals stock closing price was 65.00 on August 08, 2023.
- The Amphastar Pharmaceuticals 52-week high stock price is 29.52, which is 23.9% above the current share price.
- The Amphastar Pharmaceuticals 52-week low stock price is 16.64, which is 30.1% below the current share price.
- The average Amphastar Pharmaceuticals stock price for the last 52 weeks is 23.03.
| Amphastar Pharmaceuticals Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2026 | 21.8918 | 26.4600 | 29.4000 | 16.8700 | 23.8200 | -11.05% |
| 2025 | 27.0235 | 36.3600 | 38.4800 | 20.6200 | 26.7800 | -27.88% |
| 2024 | 45.6198 | 62.2900 | 63.4500 | 36.8400 | 37.1300 | -39.97% |
| 2023 | 46.1088 | 28.2000 | 65.0000 | 27.9900 | 61.8500 | 120.74% |
| 2022 | 31.4325 | 23.0700 | 42.2900 | 22.9600 | 28.0200 | 20.31% |
| 2021 | 19.3787 | 20.1400 | 23.2900 | 17.1100 | 23.2900 | 15.81% |
| 2020 | 18.8403 | 19.3500 | 22.4600 | 12.6600 | 20.1100 | 4.25% |
| 2019 | 20.8106 | 19.7600 | 25.2800 | 17.0700 | 19.2900 | -3.07% |
| 2018 | 18.4456 | 19.1700 | 22.5100 | 14.6300 | 19.9000 | 3.43% |
| 2017 | 16.6801 | 18.5000 | 19.7500 | 12.2000 | 19.2400 | 4.45% |
| 2016 | 15.9103 | 13.7000 | 21.5500 | 10.5300 | 18.4200 | 29.44% |
| 2015 | 14.2956 | 11.8400 | 18.1900 | 10.7800 | 14.2300 | 22.57% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Medical | Medical - Generic Drugs | $1.019B | $0.720B |
| Amphastar Pharmaceuticals, Inc. is a specialty pharmaceutical company. It focuses primarily on developing, manufacturing, marketing, and selling generic and proprietary injectable and inhalation products. The company products include Enoxaparin Sodium Injection; Amphadase; Cortrosyn for Injection; and prefilled disposable emergency syringes for crash cart use. Amphastar Pharmaceuticals, Inc. is headquartered in Rancho Cucamonga, California. | |||
| Stock Name | Country | Market Cap | PE Ratio |
|---|---|---|---|
| Teva Pharmaceutical Industries (TEVA) | Israel | $44.899B | 17.67 |
| BridgeBio Pharma (BBIO) | United States | $13.352B | 0.00 |
| Dr Reddy's Laboratories (RDY) | India | $9.749B | 24.85 |
| Aspen Pharmacare (APNHY) | South Africa | $4.248B | 0.00 |
| Supernus Pharmaceuticals (SUPN) | United States | $2.409B | 20.18 |
| Bausch Health Cos (BHC) | Canada | $2.129B | 1.33 |
| Personalis (PSNL) | United States | $1.687B | 0.00 |
| Taysha Gene Therapies (TSHA) | United States | $1.652B | 0.00 |
| Assembly Biosciences (ASMB) | United States | $0.519B | 24.98 |
| Sol-Gel Technologies (SLGL) | Israel | $0.178B | 0.00 |
| Metagenomi Therapeutics (MGX) | United States | $0.043B | 0.00 |
| Evoke Pharma (EVOK) | United States | $0.019B | 0.00 |
| Teligent (TLGT) | United States | $0.000B | 0.00 |