Amphastar Pharmaceuticals AMPH
NASDAQ AMPH
$26.68 -0.71 (-2.59%)
At close: Sep 29, 2026 · 4:00 PM EDT

Amphastar Pharmaceuticals (AMPH) Market Capitalization (2014 - 2026)

Updated

Amphastar Pharmaceuticals' Market Capitalization came in at $858.3 million for Q2 2026, down 19.6% from $1.07 billion a year earlier and down 1.8% from the prior quarter.

Analysis

Amphastar Pharmaceuticals (AMPH) Market Capitalization (2014 - 2026) Analysis & Trends

For FY2025, Amphastar Pharmaceuticals' Market Capitalization was $1.22 billion, down 30.9% from FY2024.

  • Market Capitalization carries a five-year compound annual growth rate of 5.1% (FY2020 to FY2025).
  • Going back by year, Market Capitalization was $1.77 billion in FY2024 (-40.5%), $2.97 billion in FY2023 (+120.5%), $1.35 billion in FY2022 (+21.3%) and $1.11 billion in FY2021 (+16.3%).
  • The Q2 2026 figure represents the lowest quarterly Market Capitalization since Q1 2020.
  • Year-over-year, Market Capitalization has declined for seven consecutive quarters, with an average decline of 31.2% over the last eight quarters.
  • The fastest year-over-year change in Market Capitalization over five years came in Q4 2023 (growth of 120.5%), and the weakest in Q3 2025 (a decline of 47.4%).
  • Business Quant data shows AMPH's Market Capitalization at $874.44 million (Q1 2026), $1.22 billion (Q4 2025) and $1.24 billion (Q3 2025) in the three quarters before Q2 2026.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr)
1 Johnson & Johnson 655.56 Bn 574.09 Bn 17.26 Bn
2 AbbVie 470.94 Bn 444.10 Bn 12.70 Bn
3 Merck 367.14 Bn 321.57 Bn 12.21 Bn
4 Novartis Ag 280.33 Bn 236.20 Bn 11.24 Bn
5 Astrazeneca 257.78 Bn 231.34 Bn 12.86 Bn
6 Amgen 226.04 Bn 181.44 Bn 7.24 Bn
7 Gilead Sciences 188.89 Bn 163.01 Bn 6.22 Bn
8 Pfizer 163.75 Bn 110.70 Bn 10.94 Bn
9 Vertex Pharmaceuticals 133.68 Bn 105.69 Bn 2.84 Bn
10 Amphastar Pharmaceuticals 1.16 Bn 23.86 Mn 93.47 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 858.30 Mn
Mar 31, 2026 874.44 Mn
Dec 31, 2025 1.22 Bn
Sep 30, 2025 1.24 Bn
Jun 30, 2025 1.07 Bn
Mar 31, 2025 1.38 Bn
Dec 31, 2024 1.77 Bn
Sep 30, 2024 2.35 Bn
Jun 30, 2024 1.96 Bn
Mar 31, 2024 2.14 Bn
Dec 31, 2023 2.97 Bn
Sep 30, 2023 2.20 Bn
Jun 30, 2023 2.81 Bn
Mar 31, 2023 1.81 Bn
Dec 31, 2022 1.35 Bn
Sep 30, 2022 1.37 Bn
Jun 30, 2022 1.70 Bn
Mar 31, 2022 1.75 Bn
Dec 31, 2021 1.11 Bn
Sep 30, 2021 912.15 Mn
API Access

Amphastar Pharmaceuticals Market Capitalization API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=market-capitalization&ticker=AMPH&period=max&api_key=YOUR_API_KEY