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
1,976
Employees1,976
Headquarters
Rancho Cucamonga, California
HeadquartersRancho Cucamonga, California
Founded
1996
Founded1996
Employees
1,976
Employees1,976

AMPH Key Statistics

Market cap
744.29M
Market cap744.29M
Price-Earnings ratio
10.13
Price-Earnings ratio10.13
Dividend yield
Dividend yield
Average volume
857.31K
Average volume857.31K
High today
$17.53
High today$17.53
Low today
$16.76
Low today$16.76
Open price
$17.30
Open price$17.30
Volume
675.35K
Volume675.35K
52 Week high
$31.26
52 Week high$31.26
52 Week low
$16.76
52 Week low$16.76

Stock Snapshot

As of today, Amphastar Pharmaceuticals(AMPH) shares are valued at $16.87. The company's market cap stands at 744.29M, with a P/E ratio of 10.13.

As of 2026-05-16, Amphastar Pharmaceuticals(AMPH) stock has fluctuated between $16.76 and $17.53. The current price stands at $16.87, placing the stock +0.7% above today's low and -3.8% off the high.

Amphastar Pharmaceuticals(AMPH) shares are trading with a volume of 675.35K, against a daily average of 857.31K.

In the last year, Amphastar Pharmaceuticals(AMPH) shares hit a 52-week high of $31.26 and a 52-week low of $16.76.

In the last year, Amphastar Pharmaceuticals(AMPH) shares hit a 52-week high of $31.26 and a 52-week low of $16.76.

AMPH News

Simply Wall St 1d
There May Be Some Bright Spots In Amphastar Pharmaceuticals' Earnings

The most recent earnings report from Amphastar Pharmaceuticals, Inc. ( ) was disappointing for shareholders. While the headline numbers were soft, we believe th...

There May Be Some Bright Spots In Amphastar Pharmaceuticals' Earnings

Analyst ratings

100%

of 7 ratings
Buy
0%
Hold
100%
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.