19.61

0.15% -0.03

After Hours: 19.61

Amphastar Pharmaceuticals Inc (AMPH)

Overview News Price History Option Chain Financials Why AMPH Down? Discussions Forecast

Amphastar Pharmaceuticals Inc stock is traded at $19.61, with a volume of 313.78K. It is down -0.15% in the last 24 hours and down -0.66% over the past month. Amphastar Pharmaceuticals Inc is a bio-pharmaceutical company focusing on developing, manufacturing, marketing, and selling technically challenging generic and proprietary injectable, inhalation, and intranasal products, as well as insulin active pharmaceutical ingredient (or insulin API products. The company's finished products are used in hospital or urgent care clinical settings and are contracted and distributed through group purchasing organizations and drug wholesalers. The company has one reportable segment: pharmaceutical products. Geographically, the business presence of the firm is seen in the United States, China, and France, of which the U.S. accounts for the majority of the revenue.

Previous Close:

$19.64

Open:

$19.48

24h Volume:

313.78K

Relative Volume:

0.52

Market Cap:

$864.66M

Revenue:

$720.53M

Net Income/Loss:

$79.23M

P/E Ratio:

11.78

EPS:

1.6648

Net Cash Flow:

$132.94M

1W Performance:

-5.31%

1M Performance:

-0.66%

6M Performance:

-29.00%

1Y Performance:

-15.47%

1-Day Range:

$19.08

$20.00

1-Week Range:

$19.08

$20.71

52-Week Range:

$16.64

$31.26

Amphastar Pharmaceuticals Inc Stock (AMPH) Company Profile

Name

Amphastar Pharmaceuticals Inc

Sector

Healthcare (1100)

Industry

Drug Manufacturers - Specialty & Generic (86)

Phone

909-980-9484

Address

11570 SIXTH STREET, RANCHO CUCAMONGA, CA

Employee

1,976

Twitter

Next Earnings Date

2026-08-06

Latest SEC Filings

AMPH's Discussions on Twitter

Compare AMPH vs TAK, HLN, TEVA, ZTS, UTHR

Stocks	Price	Market Cap	Revenue	Net Income	Cash Flow	EPS
AMPH Amphastar Pharmaceuticals Inc	19.61	889.80M	720.53M	79.23M	132.94M	1.6648
TAK Takeda Pharmaceutical Co Adr	16.89	50.65B	29.91B	1.30B	3.49B	0.4056
HLN Haleon Plc Adr	9.72	41.09B	14.54B	2.22B	2.58B	0.4871
TEVA Teva Pharmaceutical Industries Ltd Adr	35.29	39.45B	17.53B	1.58B	444.18M	1.3457
ZTS Zoetis Inc	75.42	30.13B	9.51B	2.64B	2.14B	6.0361
UTHR United Therapeutics Corp	547.25	23.00B	3.17B	1.29B	1.01B	27.09

Amphastar Pharmaceuticals Inc Stock (AMPH) Upgrades & Downgrades

Date	Action	Analyst	Rating Change
Apr-21-26	Downgrade	Jefferies	Buy → Hold
Dec-09-25	Initiated	Barclays	Equal Weight
Aug-12-25	Upgrade	Needham	Hold → Buy
May-12-25	Downgrade	JP Morgan	Overweight → Neutral
Feb-04-25	Downgrade	Piper Sandler	Overweight → Neutral
Nov-22-24	Initiated	Wells Fargo	Equal Weight
Mar-05-24	Initiated	JP Morgan	Overweight
Nov-17-23	Initiated	BofA Securities	Neutral
Jul-25-23	Resumed	Jefferies	Buy
Oct-21-22	Resumed	Jefferies	Buy
Jul-29-22	Initiated	CapitalOne	Overweight
Jan-07-22	Upgrade	Piper Sandler	Neutral → Overweight
Jan-08-21	Downgrade	Wells Fargo	Overweight → Equal Weight
Oct-05-20	Upgrade	Northland Capital	Market Perform → Outperform
May-01-20	Initiated	Northland Capital	Outperform
Mar-13-19	Downgrade	Needham	Buy → Hold
Mar-13-19	Downgrade	Piper Jaffray	Overweight → Neutral
Aug-10-18	Reiterated	Needham	Buy
Mar-13-18	Reiterated	Needham	Buy
Dec-01-17	Reiterated	Needham	Buy
Nov-09-17	Downgrade	Raymond James	Outperform → Mkt Perform
Sep-27-17	Reiterated	Needham	Buy
Mar-14-17	Downgrade	Raymond James	Strong Buy → Outperform
Aug-09-16	Reiterated	Needham	Buy
May-10-16	Reiterated	Needham	Buy
Feb-19-16	Initiated	Wells Fargo	Outperform
Jun-19-15	Reiterated	Needham	Buy
Jun-03-15	Initiated	Raymond James	Strong Buy
Jul-21-14	Initiated	Needham	Buy

View All

Amphastar Pharmaceuticals Inc Stock (AMPH) Latest News

Jul 01, 2026

Enterprise value to revenue forward of Amphastar Pharmaceuticals, Inc. – NASDAQ:AMPH - TradingView

Jul 01, 2026

Jun 29, 2026

Amphastar Pharmaceuticals, Inc.(NasdaqGS:AMPH) dropped from Russell Small Cap Comp Growth Benchmark - marketscreener.com

Jun 29, 2026

Enterprise value to EBIT forward of Amphastar Pharmaceuticals, Inc. – NASDAQ:AMPH - TradingView

Jun 29, 2026

Amphastar Pharmaceuticals, Inc.(NasdaqGS:AMPH) dropped from Russell 2500 Growth Benchmark - marketscreener.com

Jun 29, 2026

Crude Oil Gains 2%; Comcast Shares Spike Higher - Benzinga

Jun 29, 2026

Amphastar Pharmaceuticals, Inc. Stock 12‑Month Price Target Cut to $22, Implies 1% Upside - TradingView

Jun 29, 2026

AMPH Downgraded by B of A Securities -- Price Target Lowered to $20 - GuruFocus

Jun 29, 2026

BofA cuts Amphastar stock rating on limited growth visibility By Investing.com - Investing.com Canada

Jun 29, 2026

Amphastar Pharmaceuticals, Inc.(NasdaqGS:AMPH) dropped from Russell 2000 Growth Benchmark - marketscreener.com

Jun 29, 2026

Amphastar Pharmaceuticals, Inc.(NasdaqGS:AMPH) dropped from Russell 3000E Growth Benchmark - marketscreener.com

Jun 29, 2026

Jun 28, 2026

Enterprise value to revenue forward of Amphastar Pharmaceuticals, Inc. – LS:A11664 - TradingView

Jun 28, 2026

Amphastar Pharmaceuticals, Inc.(NasdaqGS:AMPH) dropped from Russell 2000 Growth-Defensive Index - marketscreener.com

Jun 28, 2026

Amphastar Pharmaceuticals, Inc.(NasdaqGS: AMPH) added to Russell 2000 Dynamic Index - marketscreener.com

Jun 28, 2026

Enterprise value to revenue forward of Amphastar Pharmaceuticals, Inc. – GETTEX:29A - TradingView

Jun 28, 2026

Price to book forward of Amphastar Pharmaceuticals, Inc. – NASDAQ:AMPH - TradingView

Jun 28, 2026

Price to sales forward of Amphastar Pharmaceuticals, Inc. – NASDAQ:AMPH - TradingView

Jun 28, 2026

Price to earnings forward of Amphastar Pharmaceuticals, Inc. – LS:A11664 - TradingView

Jun 28, 2026

Jun 25, 2026

Amphastar Pharmaceuticals, Inc. Actuals & Estimates (NASDAQ:AMPH) - TradingView

Jun 25, 2026

AMPH Forecast — Price Target — Prediction for 2027 - TradingView

Jun 25, 2026