21.18
price down icon3.51%   -0.77
after-market After Hours: 21.02 -0.16 -0.76%
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Amphastar Pharmaceuticals Inc stock is traded at $21.18, with a volume of 504.34K. It is down -3.51% in the last 24 hours and down -17.97% 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.
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Previous Close:
$21.95
Open:
$22.11
24h Volume:
504.34K
Relative Volume:
0.94
Market Cap:
$998.41M
Revenue:
$723.55M
Net Income/Loss:
$157.72M
P/E Ratio:
7.06
EPS:
3
Net Cash Flow:
$170.15M
1W Performance:
-6.28%
1M Performance:
-17.97%
6M Performance:
-41.56%
1Y Performance:
-45.36%
1-Day Range:
Value
$21.16
$22.31
1-Week Range:
Value
$21.16
$22.94
52-Week Range:
Value
$21.16
$53.95

Amphastar Pharmaceuticals Inc Stock (AMPH) Company Profile

Name
Name
Amphastar Pharmaceuticals Inc
Name
Phone
909-980-9484
Name
Address
11570 SIXTH STREET, RANCHO CUCAMONGA, CA
Name
Employee
2,028
Name
Twitter
Name
Next Earnings Date
2024-12-06
Name
Latest SEC Filings
Name
AMPH's Discussions on Twitter

Compare AMPH with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Drug Manufacturers - Specialty & Generic icon
AMPH
Amphastar Pharmaceuticals Inc
21.18 1.07B 723.55M 157.72M 170.15M 3.00
Drug Manufacturers - Specialty & Generic icon
ZTS
Zoetis Inc
152.86 70.25B 9.29B 2.52B 2.28B 5.57
Drug Manufacturers - Specialty & Generic icon
TAK
Takeda Pharmaceutical Co Adr
14.75 47.44B 30.08B 710.16M 4.45B 0.2182
Drug Manufacturers - Specialty & Generic icon
HLN
Haleon Plc Adr
9.73 45.15B 14.35B 1.85B 0 0.4023
Drug Manufacturers - Specialty & Generic icon
TEVA
Teva Pharmaceutical Industries Ltd Adr
16.04 19.07B 16.54B -1.64B 749.00M -1.45
Drug Manufacturers - Specialty & Generic icon
UTHR
United Therapeutics Corp
293.24 13.28B 2.99B 1.21B 1.13B 25.06

Amphastar Pharmaceuticals Inc Stock (AMPH) Upgrades & Downgrades

Date Action Analyst Rating Change
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

pulisher
Jul 15, 2025

What makes Amphastar Pharmaceuticals Inc. stock price move sharplyFree Premium Stock Market Reports - Newser

Jul 15, 2025
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Jul 15, 2025

Amphastar to Quadruple Domestic Manufacturing - Association for Accessible Medicines

Jul 15, 2025
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Jul 15, 2025

How Amphastar Pharmaceuticals Inc. stock performs during market volatilityFree Stock Investment Discussion Area - Newser

Jul 15, 2025
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Jul 15, 2025

Amphastar stock hits 52-week low at $21.47 amid challenging year - Investing.com Canada

Jul 15, 2025
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Jul 15, 2025

Why Amphastar Pharmaceuticals Inc. stock attracts strong analyst attentionHigh Potential Safe Trades - Newser

Jul 15, 2025
pulisher
Jul 14, 2025

Amphastar to quadruple production capacity at California headquarters By Investing.com - Investing.com Nigeria

Jul 14, 2025
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Jul 14, 2025

Amphastar Pharmaceuticals Aims to Quadruple Domestic Manufacturing Capacity at Rancho Cucamonga Headquarters - ACCESS Newswire

Jul 14, 2025
pulisher
Jul 14, 2025

Amphastar Plans Massive 4X Production Boost: Major US Pharma Manufacturing Expansion Coming by 2028 - Stock Titan

Jul 14, 2025
pulisher
Jul 14, 2025

Amphastar Pharmaceuticals (NASDAQ:AMPH) Hits New 52-Week LowWhat's Next? - MarketBeat

Jul 14, 2025
pulisher
Jul 14, 2025

When the Price of (AMPH) Talks, People Listen - news.stocktradersdaily.com

Jul 14, 2025
pulisher
Jul 12, 2025

55,795 Shares in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Acquired by SteelPeak Wealth LLC - MarketBeat

Jul 12, 2025
pulisher
Jul 11, 2025

Acadia Healthcare, 10x Genomics, Amphastar Pharmaceuticals, Myriad Genetics, and QuidelOrtho Stocks Trade Down, What You Need To Know - TradingView

Jul 11, 2025
pulisher
Jul 11, 2025

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Purchased by Cambridge Investment Research Advisors Inc. - Defense World

Jul 11, 2025
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Jul 11, 2025

Allspring Global Investments Holdings LLC Has $434,000 Stock Holdings in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Jul 11, 2025
pulisher
Jul 11, 2025

Amphastar Pharmaceuticals (NASDAQ:AMPH) Sets New 12-Month LowHere's Why - MarketBeat

Jul 11, 2025
pulisher
Jul 10, 2025

JPMorgan Downgrades Amphastar Pharmaceuticals (AMPH) to Neutral from Overweight, Brings PT Down to $30 - MSN

Jul 10, 2025
pulisher
Jul 09, 2025

13 Cheap Healthcare Stocks with Huge Upside Potential - Insider Monkey

Jul 09, 2025
pulisher
Jul 06, 2025

Floyd F. Petersen Sells 500 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Stock - MarketBeat

Jul 06, 2025
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Jul 04, 2025

Illinois Municipal Retirement Fund Sells 604 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Jul 04, 2025
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Jul 04, 2025

Amphastar Pharmaceuticals’s Q1 Earnings Call: Our Top 5 Analyst Questions - TradingView

Jul 04, 2025
pulisher
Jul 03, 2025

(AMPH) On The My Stocks Page - news.stocktradersdaily.com

Jul 03, 2025
pulisher
Jun 29, 2025

State of Alaska Department of Revenue Decreases Stake in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Jun 29, 2025
pulisher
Jun 26, 2025

Naloxone Market Is Booming So Rapidly 2025-2032 -Viatris Inc., - openPR.com

Jun 26, 2025
pulisher
Jun 25, 2025

Amphastar Pharmaceuticals (AMPH): Buy, Sell, or Hold Post Q1 Earnings? - Yahoo Finance

Jun 25, 2025
pulisher
Jun 23, 2025

Boston Trust Walden Corp Acquires 236,704 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Jun 23, 2025
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Jun 17, 2025

GAMMA Investing LLC Purchases 37,735 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Jun 17, 2025
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Jun 16, 2025

Rhumbline Advisers Increases Stock Holdings in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Jun 16, 2025
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Jun 16, 2025

GAMMA Investing LLC Has $1.12 Million Holdings in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Jun 16, 2025
pulisher
Jun 14, 2025

CX Institutional Makes New Investment in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Jun 14, 2025
pulisher
Jun 12, 2025

Bridge City Capital LLC Increases Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Jun 12, 2025
pulisher
Jun 12, 2025

Where are the Opportunities in (AMPH) - news.stocktradersdaily.com

Jun 12, 2025
pulisher
Jun 11, 2025

AMPH Q1 Earnings Call: Product Mix Shift and Margin Pressures Highlight Competitive Challenges - Yahoo Finance

Jun 11, 2025
pulisher
Jun 10, 2025

Amphastar Pharmaceuticals, Inc.'s (NASDAQ:AMPH) Stock Is Going Strong: Is the Market Following Fundamentals? - simplywall.st

Jun 10, 2025
pulisher
Jun 10, 2025

California State Teachers Retirement System Sells 595 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Jun 10, 2025
pulisher
Jun 09, 2025

UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Trims Stock Holdings in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Jun 09, 2025
pulisher
Jun 08, 2025

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Director Sells $12,835.00 in Stock - MarketBeat

Jun 08, 2025
pulisher
Jun 08, 2025

Wellington Management Group LLP Trims Holdings in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Jun 08, 2025
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Jun 06, 2025

Short Interest in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Rises By 24.9% - MarketBeat

Jun 06, 2025
pulisher
Jun 06, 2025

UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Has $3.09 Million Stock Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Jun 06, 2025
pulisher
Jun 06, 2025

Squarepoint Ops LLC Has $656,000 Stake in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Jun 06, 2025
pulisher
Jun 05, 2025

Amphastar Pharmaceuticals director sells $12,835 in stock - Investing.com Australia

Jun 05, 2025
pulisher
Jun 05, 2025

Amphastar at Jefferies Conference: Strategic Focus on Growth - Investing.com Australia

Jun 05, 2025
pulisher
Jun 05, 2025

Amphastar at Jefferies Conference: Strategic Focus on Growth By Investing.com - Investing.com Canada

Jun 05, 2025
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Jun 05, 2025

Global Antidote Market to Cross the USD 4 Billion Mark by 2032 | DelveInsight - GlobeNewswire Inc.

Jun 05, 2025
pulisher
Jun 05, 2025

Nuveen Asset Management LLC Sells 112,307 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Jun 05, 2025
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Jun 04, 2025

Amphastar Pharmaceuticals director sells $12,835 in stock By Investing.com - Investing.com South Africa

Jun 04, 2025

Amphastar Pharmaceuticals Inc Stock (AMPH) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$81.26
price down icon 2.17%
$14.61
price down icon 1.88%
$8.93
price down icon 2.30%
drug_manufacturers_specialty_generic RDY
$14.53
price down icon 0.21%
$131.24
price down icon 2.88%
$293.24
price down icon 1.49%
Cap:     |  Volume (24h):