Market Cap

Amphastar Pharmaceuticals, Inc. Market Capitalization:

$1.23 Billion

USD as of Jan. 1, 2026

business Amphastar Pharmaceuticals, Inc. Company Profile

Amphastar Pharmaceuticals, Inc. Main Stock Listing

NASDAQ: AMPH

Market Capitalization History of Amphastar Pharmaceuticals, Inc.

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Top Competitors by Market Capitalization

Industry: Drug Manufacturers—Specialty & Generic
Company Market Cap (USD)
MERCK Kommanditgesellschaft auf Aktien $62.01 B
Zoetis Inc. $55.81 B
Takeda Pharmaceutical Company Limited $45.42 B
Haleon plc $44.50 B
Teva Pharmaceutical Industries Limited $35.85 B
Sector: Healthcare
Company Market Cap (USD)
Lilly $968.50 B
Johnson & Johnson $499.57 B
AbbVie $405.28 B
Roche $332.12 B
UnitedHealth Group $304.72 B

Yearly evolution of Amphastar Pharmaceuticals, Inc. market cap

Date Market Cap YoY Change
Jan. 1, 2026 $1.23 B -29.69%
Jan. 1, 2025 $1.75 B -41.79%
Jan. 1, 2024 $3.01 B 121.79%
Jan. 1, 2023 $1.36 B 22.28%
Jan. 1, 2022 $1.11 B 27.01%
Jan. 1, 2021 $872.6 M -3.86%
Jan. 1, 2020 $907.6 M -16.92%
Jan. 1, 2019 $1.09 B 22.10%
Jan. 1, 2018 $894.7 M 18.35%
Jan. 1, 2017 $756.0 M 30.71%
Jan. 1, 2016 $578.4 M -0.66%
Jan. 1, 2015 $582.2 M

Market capitalization is calculated from the opening stock price at the beginning of each year.

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Amphastar Pharmaceuticals, Inc. Categories

United States languages Healthcare languages Drug Manufacturers—Specialty & Generic
United States Healthcare United States Drug Manufacturers—Specialty & Generic

Stocks & Indices

Amphastar Pharmaceuticals, Inc. has the following listings and related stock indices.


Stock: NASDAQ: AMPH

Stock: FSX: 29A

What is a company's market capitalization?

The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.