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AMPH
Volume: 247.22K

Amphastar Pharma (AMPH) Market Capitalization Overview

Market Cap: $1.28B as of Jan 9, 2026

$1.28B
$96.05M (8.15%)past month
As of Jan 9, 2026, Amphastar Pharma (AMPH) has a market capitalization of $1.28B. Over the past 30 days, its market cap has decreased by -3.61%, while in the last 12 months, it has increased by 3.58%.

Market capitalization represents the total value of Amphastar Pharma as perceived by the stock market. It is calculated by multiplying the current stock price by the total number of outstanding shares.

Amphastar Pharma (AMPH) Market Cap Formula = Stock Price * Shares Outstanding

The market cap of Amphastar Pharma (AMPH) helps investors assess the company's size and compare it with competitors for better investment decisions.

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Amphastar Pharma (AMPH) Market Cap History

DateMarket CapChange
Dec 1, 2025$1.27B+7.23%
Nov 3, 2025$1.18B-6.26%
Oct 1, 2025$1.26B-12.40%
Sep 2, 2025$1.44B+43.28%
Aug 1, 2025$999.83M-9.13%
Jul 1, 2025$1.11B-8.04%
Jun 2, 2025$1.20B+5.47%
May 1, 2025$1.14B-15.85%
Apr 1, 2025$1.35B+1.88%
Mar 3, 2025$1.33B-17.58%
Feb 3, 2025$1.61B-8.17%
Jan 2, 2025$1.75B-20.75%

Amphastar Pharma (AMPH) End of Year Market Cap History

DateMarket CapChange
2026$1.28B+3.58%
2025$1.24B-31.07%
2024$1.79B-39.75%
2023$2.97B+118.80%
2022$1.36B+21.52%
2021$1.12B—

FAQs About Amphastar Pharma (AMPH) Market Cap

As of Jan 9, 2026, the market capitalization of Amphastar Pharma (AMPH) is $1.28B. Market cap represents the total value of a company’s outstanding shares and is a key indicator of its size in the stock market.

In the last 30 days, Amphastar Pharma’s market capitalization has increased by 8.15%, changing from $1.18B to $1.28B as of Jan 9, 2026.

In the last 3 months, Amphastar Pharma’s market capitalization has increased by —, changing from – to – as of –.

In the year 2025, Amphastar Pharma’s market capitalization decreased from $1.79B in January to $1.24B in December, reflecting a -31.07% change.

In the past five years, Amphastar Pharma (AMPH) has had a compound annual growth rate (CAGR) of 2.00% in market capitalization. This means its market cap has grown at an average rate of 2.00% per year.

Amphastar Pharma (AMPH)

Volume: 247.22K

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