AMPH (Amphastar Pharmaceuticals) ROE % Adjusted to Book Value: 2.91% (As of Mar. 2026)


AMPH Amphastar Pharmaceuticals Inc AMPH
83 GF Score
Price $20.92
GF Value $48.78
Valuation Significantly Undervalued
! 5 Warning Signs
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What is Amphastar Pharmaceuticals ROE % Adjusted to Book Value?

Amphastar Pharmaceuticals AMPH -0.45% 83 ROE % Adjusted to Book Value is 2.91% as of Mar. 2026. GuruFocus rates AMPH with a GF Score™ of 83/100 and a GF Value™ of $48.78 (Significantly Undervalued). The stock has 5 warning signs investors should review.

Amphastar Pharmaceuticals's ROE % for the quarter that ended in Mar. 2026 was 3.29%. Amphastar Pharmaceuticals's PB Ratio for the quarter that ended in Mar. 2026 was 1.13. Amphastar Pharmaceuticals's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 was 2.91%.


Amphastar Pharmaceuticals ROE % Adjusted to Book Value Related Terms


Amphastar Pharmaceuticals ROE % Adjusted to Book Value Historical Data

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The historical data trend for Amphastar Pharmaceuticals's ROE % Adjusted to Book Value can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Amphastar Pharmaceuticals ROE % Adjusted to Book Value Chart

Amphastar Pharmaceuticals Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
ROE % Adjusted to Book Value
Get a 7-Day Free Trial Premium Member Only Premium Member Only 5.88 7.36 5.06 9.65 8.32

Amphastar Pharmaceuticals Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
ROE % Adjusted to Book Value Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 7.41 11.67 5.69 8.05 2.91

AMPH vs ETON, ESPR, BIOA: ROE % Adjusted to Book Value Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, Amphastar Pharmaceuticals's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Amphastar Pharmaceuticals ROE % Adjusted to Book Value vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, Amphastar Pharmaceuticals's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Amphastar Pharmaceuticals's ROE % Adjusted to Book Value falls into.


AMPH
83GF Score
Amphastar Pharmaceuticals Inc AMPH
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Amphastar Pharmaceuticals ROE % Adjusted to Book Value Calculation

Amphastar Pharmaceuticals's ROE % Adjusted to Book Value for the fiscal year that ended in Dec. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=12.90% / 1.55
=8.32%

Amphastar Pharmaceuticals's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=3.29% / 1.13
=2.91%

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

What does a ROE % Adjusted to Book Value of 2.91% mean?
Amphastar Pharmaceuticals (AMPH) has a ROE % Adjusted to Book Value of 2.91% as of Mar. 2026. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Amphastar Pharmaceuticals and its competitors.
Is Amphastar Pharmaceuticals' ROE % Adjusted to Book Value too high?
Amphastar Pharmaceuticals' current ROE % Adjusted to Book Value is 2.91%. Overall, Amphastar Pharmaceuticals has a GF Score™ of 83/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Amphastar Pharmaceuticals' ROE % Adjusted to Book Value compare to ETON and ESPR?
Amphastar Pharmaceuticals' ROE % Adjusted to Book Value of 2.91% can be compared against companies in the Drug Manufacturers industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for a Drug Manufacturers company?
A good ROE % Adjusted to Book Value depends on the Drug Manufacturers industry context. However, ROE % Adjusted to Book Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Amphastar Pharmaceuticals and its competitors. Amphastar Pharmaceuticals's current ROE % Adjusted to Book Value is 2.91%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Amphastar Pharmaceuticals stock overvalued right now?
Based on GuruFocus' analysis, Amphastar Pharmaceuticals (AMPH) is currently considered Significantly Undervalued. The stock's GF Value™ is $48.78, compared to a current price of $20.92 — trading 57.1% below its estimated fair value. The current ROE % Adjusted to Book Value is 2.91%. Amphastar Pharmaceuticals' overall GF Score™ is 83/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Amphastar Pharmaceuticals (AMPH), the current ROE % Adjusted to Book Value is 2.91% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Amphastar Pharmaceuticals (AMPH) Overvalued in 2026?

Based on GuruFocus' analysis, Amphastar Pharmaceuticals stock appears to be undervalued. The current stock price of $20.92 is trading 57.1% below its estimated GF Value™ of $48.78. GuruFocus considers Amphastar Pharmaceuticals to be Significantly Undervalued.

Key valuation signals for AMPH:

  • ROE % Adjusted to Book Value: 2.91%
  • GF Value™: $48.78 vs. price of $20.92 (57.1% below fair value)
  • GF Score™: 83/100 with 5 warning signs

No single metric tells the full story. See the AMPH stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Amphastar Pharmaceuticals Business Description

Other Exchanges 29A:Germany
Address 11570 6th Street, Rancho Cucamonga, CA, USA, 91730
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.
83GF Score

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ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$20.92
Price
$48.78
GF Value