Shares outstanding:
46.50M+4500.00(+0.01%)Summary
- As of today (September 9, 2025), AMPH has 46.50 million outstanding stocks, with the most recent change of +4500.00 (+0.01%) on August 1, 2025.
- Compared to the previous year, the number of outstanding shares has dropped by -2.47 million (-5.04%).
Performance
AMPH Shares outstanding Chart
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Range
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AMPH Shares outstanding Trends
| PeriodPeriod | Shares outstandingShares outstanding | PricePrice | Market capMarket cap |
|---|---|---|---|
| RecentMost recent | +0.0% | -0.5% | -0.5% |
| 1 y1 year | -5.0% | -35.5% | -38.8% |
| 3 y3 years | -5.1% | +3.8% | -1.5% |
| 5 y5 years | -2.1% | +47.7% | +44.6% |
AMPH Shares outstanding Highs & Lows
| PeriodPeriod | HighHigh | Current vs highvs high | LowLow | Current vs lowvs low | |
|---|---|---|---|---|---|
| 1 m | 1-month | 46.50M | at high | 46.50M | at low |
| 3 m | 3-month | 47.14M | -1.4% | 46.49M | +0.0% |
| 6 m | 6-month | 47.67M | -2.5% | 46.49M | +0.0% |
| 1 y | 1-year | 48.96M | -5.0% | 46.49M | +0.0% |
| 3 y | 3-year | 49.02M | -5.1% | 46.49M | +0.0% |
| 5 y | 5-year | 49.02M | -5.1% | 46.49M | +0.0% |
| alltime | all time | 49.02M | -5.1% | 43.41M | +7.1% |
AMPH Shares outstanding History
| Date | Value |
|---|---|
| Aug 2025 | 46.50M(-2.4%) |
| Dec 2024 | 47.62M(-0.9%) |
| Dec 2023 | 48.07M(-0.1%) |
| Dec 2022 | 48.11M(+0.8%) |
| Dec 2021 | 47.71M(+0.5%) |
| Dec 2020 | 47.50M(+2.0%) |
| Dec 2019 | 46.58M(-0.1%) |
| Date | Value |
|---|---|
| Dec 2018 | 46.63M(+0.0%) |
| Dec 2017 | 46.62M(+0.8%) |
| Dec 2016 | 46.25M(+2.3%) |
| Dec 2015 | 45.20M(+1.2%) |
| Dec 2014 | 44.65M(+2.9%) |
| Dec 2013 | 43.41M(0.0%) |
| Dec 2012 | 43.41M(0.0%) |
| Dec 2011 | 43.41M |
FAQ
- What are outstanding stocks?
- How many outstanding stocks does Amphastar Pharmaceuticals, Inc. have?
- What is Amphastar Pharmaceuticals, Inc. year-on-year outstanding stocks change?
- What is the all time highest number of outstanidng stocks for Amphastar Pharmaceuticals, Inc.?
What are outstanding stocks?
Outstanding stocks are the shares of a company that are currently owned by shareholders, including institutional investors and company insiders
How many outstanding stocks does Amphastar Pharmaceuticals, Inc. have?
As of {todayDate}, Amphastar Pharmaceuticals, Inc. has 46.50M outstangding shares
What is Amphastar Pharmaceuticals, Inc. year-on-year outstanding stocks change?
Over the past year, the number of outstanding stocks of AMPH has changed by -2.47M (-5.04%)
What is the all time highest number of outstanidng stocks for Amphastar Pharmaceuticals, Inc.?
Amphastar Pharmaceuticals, Inc. historical maximum number of outstanding shares is 49.02M