Amphastar Pharmaceuticals

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Why Robinhood?

Robinhood gives you the tools you need to put your money in motion. You can buy or sell AMPH and other ETFs, options, and stocks.

About AMPH

Amphastar Pharmaceuticals, Inc. engages in developing, manufacturing, marketing, and selling technically challenging generic and proprietary injectable, inhalation, and intranasal products, and insulin active pharmaceutical ingredient. It operates through Finished Pharmaceutical Products and Active Pharmaceutical Ingredients Products segments. 

CEO
Yong Feng Zhang
CEOYong Feng Zhang
Employees
2,028
Employees2,028
Headquarters
Rancho Cucamonga, California
HeadquartersRancho Cucamonga, California
Founded
1996
Founded1996
Employees
2,028
Employees2,028

AMPH Key Statistics

Market cap
1.31B
Market cap1.31B
Price-Earnings ratio
12.22
Price-Earnings ratio12.22
Dividend yield
Dividend yield
Average volume
339.73K
Average volume339.73K
High today
$28.91
High today$28.91
Low today
$27.76
Low today$27.76
Open price
$27.82
Open price$27.82
Volume
265.22K
Volume265.22K
52 Week high
$32.69
52 Week high$32.69
52 Week low
$20.39
52 Week low$20.39

Stock Snapshot

The current Amphastar Pharmaceuticals(AMPH) stock price is $28.50, with a market capitalization of 1.31B. The stock trades at a price-to-earnings (P/E) ratio of 12.22.

During the trading session on 2026-02-13, Amphastar Pharmaceuticals(AMPH) shares reached a daily high of $28.91 and a low of $27.76. At a current price of $28.50, the stock is +2.7% higher than the low and still -1.4% under the high.

Trading volume for Amphastar Pharmaceuticals(AMPH) stock has reached 265.22K, versus its average volume of 339.73K.

The stock's 52-week range extends from a low of $20.39 to a high of $32.69.

The stock's 52-week range extends from a low of $20.39 to a high of $32.69.

AMPH News

Simply Wall St 10h
Assessing Amphastar Pharmaceuticals Valuation After Mixed Returns And A 13.9% Undervaluation Narrative

Advertisement What is moving Amphastar Pharmaceuticals now? Amphastar Pharmaceuticals (AMPH) has drawn investor attention after its recent share performance,...

Assessing Amphastar Pharmaceuticals Valuation After Mixed Returns And A 13.9% Undervaluation Narrative

Analyst ratings

57%

of 7 ratings
Buy
42.9%
Hold
57.1%
Sell
0%

People also own

Based on the portfolios of people who own AMPH. This list is generated using Robinhood data, and it’s not a recommendation.

Similar Marketcap

This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.

Popular Stocks

This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset

Newly Listed

This list is generated by showing companies that recently went public.

All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer. Options are risky and aren’t suitable for all investors. To learn more about risks, read the Options Disclosure Document.