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Amphastar Pharmaceuticals Inc stock is traded at $25.61, with a volume of 399.98K. It is down -1.42% in the last 24 hours and up +3.02% 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:
$25.98
Open:
$25.78
24h Volume:
399.98K
Relative Volume:
0.69
Market Cap:
$1.27B
Revenue:
$723.55M
Net Income/Loss:
$157.72M
P/E Ratio:
8.5367
EPS:
3
Net Cash Flow:
$170.15M
1W Performance:
-4.87%
1M Performance:
+3.02%
6M Performance:
-37.31%
1Y Performance:
-36.83%
1-Day Range:
Value
$25.54
$26.06
1-Week Range:
Value
$25.54
$27.04
52-Week Range:
Value
$22.64
$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
25.61 1.27B 723.55M 157.72M 170.15M 3.00
Drug Manufacturers - Specialty & Generic icon
RGC
Regencell Bioscience Holdings Ltd
78.00 303.95B 0 -5.87M -767.30K -0.45
Drug Manufacturers - Specialty & Generic icon
ZTS
Zoetis Inc
161.67 74.39B 9.29B 2.52B 2.28B 5.57
Drug Manufacturers - Specialty & Generic icon
HLN
Haleon Plc Adr
10.50 48.97B 14.35B 1.85B 0 0.4023
Drug Manufacturers - Specialty & Generic icon
TAK
Takeda Pharmaceutical Co Adr
14.89 47.60B 30.08B 710.16M 4.45B 0.2182
Drug Manufacturers - Specialty & Generic icon
TEVA
Teva Pharmaceutical Industries Ltd Adr
16.89 20.17B 16.54B -1.64B 749.00M -1.45

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

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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
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Jun 14, 2025

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

Jun 14, 2025
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Jun 12, 2025

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

Jun 12, 2025
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Jun 12, 2025

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

Jun 12, 2025
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Jun 11, 2025

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

Jun 11, 2025
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Jun 10, 2025

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

Jun 10, 2025
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Jun 10, 2025

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

Jun 10, 2025
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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
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Jun 08, 2025

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

Jun 08, 2025
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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
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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 Buys 11,929 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

Jun 06, 2025
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Jun 05, 2025

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

Jun 05, 2025
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Jun 05, 2025

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

Jun 05, 2025
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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
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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
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Jun 04, 2025

Amphastar Pharmaceuticals Stockholders Approve Key Amendments - TipRanks

Jun 04, 2025
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Jun 03, 2025

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Short Interest Up 24.9% in May - Defense World

Jun 03, 2025
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Jun 02, 2025

Nuveen Asset Management LLC Has $3.55 Million Stock Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

Jun 02, 2025
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Jun 01, 2025

Amphastar price target lowered to $35 from $40 at Wells Fargo - MSN

Jun 01, 2025
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May 31, 2025

Two Sigma Advisers LP Sells 12,400 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 31, 2025
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May 31, 2025

(AMPH) Pivots Trading Plans and Risk Controls - news.stocktradersdaily.com

May 31, 2025
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May 31, 2025

Man Group plc Buys New Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 31, 2025
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May 31, 2025

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Bought by Voloridge Investment Management LLC - MarketBeat

May 31, 2025
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May 30, 2025

Deutsche Bank AG Buys 10,839 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 30, 2025
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May 29, 2025

Point72 Asset Management L.P. Sells 29,617 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 29, 2025
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May 27, 2025

Evolent Health, Amphastar Pharmaceuticals, Iridium, and Magnite Stocks Trade Up, What You Need To Know - Yahoo Finance

May 27, 2025
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May 27, 2025

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Acquires 792 Shares of Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

May 27, 2025
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May 26, 2025

Deutsche Bank AG Has $1.27 Million Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

May 26, 2025
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May 25, 2025

Twinbeech Capital LP Invests $1.74 Million in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 25, 2025
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May 25, 2025

Ameriprise Financial Inc. Grows Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - Defense World

May 25, 2025
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May 25, 2025

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Sold by BNP Paribas Financial Markets - MarketBeat

May 25, 2025
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May 23, 2025

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Shares Bought by Janus Henderson Group PLC - MarketBeat

May 23, 2025
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May 23, 2025

246,348 Shares in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) Acquired by Systematic Financial Management LP - MarketBeat

May 23, 2025
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May 23, 2025

D. E. Shaw & Co. Inc. Boosts Position in Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) - MarketBeat

May 23, 2025
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May 22, 2025

Generic Pharmaceuticals Stocks Q1 In Review: Amphastar Pharmaceuticals (NASDAQ:AMPH) Vs Peers - FinancialContent

May 22, 2025
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May 22, 2025

Amphastar Pharmaceuticals to Present at the Jefferies Global Healthcare Conference - ACCESS Newswire

May 22, 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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$13.61
price down icon 2.72%
$8.76
price down icon 2.56%
$124.88
price down icon 0.10%
$286.88
price down icon 0.58%
drug_manufacturers_specialty_generic RDY
$15.25
price down icon 2.99%
$16.89
price down icon 3.49%
Cap:     |  Volume (24h):