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, and commercializing technically challenging generic and proprietary injectable, inhalation, and intranasal products, and insulin active pharmaceutical ingredients. It operates through Pharmaceutical Products segment. 

CEO
Yong Feng Zhang
CEOYong Feng Zhang
Employees
1,976
Employees1,976
Headquarters
Rancho Cucamonga, California
HeadquartersRancho Cucamonga, California
Founded
1996
Founded1996
Employees
1,976
Employees1,976

AMPH Key Statistics

Market cap
1.04B
Market cap1.04B
Price-Earnings ratio
14.35
Price-Earnings ratio14.35
Dividend yield
Dividend yield
Average volume
565.03K
Average volume565.03K
High today
$25.09
High today$25.09
Low today
$24.10
Low today$24.10
Open price
$24.60
Open price$24.60
Volume
495.19K
Volume495.19K
52 Week high
$29.52
52 Week high$29.52
52 Week low
$16.65
52 Week low$16.65

Stock Snapshot

With a market cap of 1.04B, Amphastar Pharmaceuticals(AMPH) trades at $24.32. The stock has a price-to-earnings ratio of 14.35.

As of 2026-09-22, Amphastar Pharmaceuticals(AMPH) stock has fluctuated between $24.10 and $25.09. The current price stands at $24.32, placing the stock +0.9% above today's low and -3.1% off the high.

Amphastar Pharmaceuticals(AMPH) shares are trading with a volume of 495.19K, against a daily average of 565.03K.

In the last year, Amphastar Pharmaceuticals(AMPH) shares hit a 52-week high of $29.52 and a 52-week low of $16.65.

In the last year, Amphastar Pharmaceuticals(AMPH) shares hit a 52-week high of $29.52 and a 52-week low of $16.65.

AMPH News

Simply Wall St 4d
Amphastar Pharmaceuticals Could Be 4% Above Fair Value After Its Q2 Beat

Amphastar Pharmaceuticals (AMPH) is back in focus after second quarter results topped revenue and EPS expectations, with higher sales, wider gross margins, fres...

Amphastar Pharmaceuticals Could Be 4% Above Fair Value After Its Q2 Beat

Analyst ratings

86%

of 7 ratings
Buy
0%
Hold
85.7%
Sell
14.3%

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.