IOSP (Innospec) Book Value per Share: $54.41 (As of Mar. 2026)


IOSP Innospec Inc IOSP
76 GF Score
Price $81.62
GF Value $94.88
Valuation Modestly Undervalued
! 3 Warning Signs
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What is Innospec Book Value per Share?

Innospec IOSP +1.13% 76 Book Value per Share is $54.41 as of Mar. 2026. GuruFocus rates IOSP with a GF Score™ of 76/100 and a GF Value™ of $94.88 (Modestly Undervalued). The stock has 3 warning signs investors should review.

Innospec's book value per share for the quarter that ended in Mar. 2026 was $54.41.

During the past 12 months, Innospec's average Book Value Per Share Growth Rate was 7.90% per year. During the past 3 years, the average Book Value Per Share Growth Rate was 8.50% per year. During the past 5 years, the average Book Value Per Share Growth Rate was 6.50% per year. During the past 10 years, the average Book Value Per Share Growth Rate was 7.20% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the book value growth rate using book value per share data.

During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Innospec was 26.80% per year. The lowest was -19.10% per year. And the median was 8.50% per year.

Innospec's current price is $81.62. Its book value per share for the quarter that ended in Mar. 2026 was $54.41. Hence, today's PB Ratio of Innospec is 1.50.

During the past 13 years, the highest P/B Ratio of Innospec was 2.87. The lowest was 1.23. And the median was 2.26.


Innospec  (NAS:IOSP) Book Value per Share Explanation

Usually a company's book value and Tangible Book per Share may not reflect its true value. The assets may be carried on the balance sheets at the original cost minus depreciation. This may underestimate the true economic values of the assets. It also may over-estimate their true economic value because the assets can become obsolete.

For financial companies such as banks and insurance companies, their assets may be reported in current market value of the assets owned. Book values of financial companies are more accurate indicator of the economic value of the company.


Innospec Book Value per Share Related Terms


Innospec Book Value per Share Historical Data

* Premium members only.

The historical data trend for Innospec's Book Value per Share 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.

Innospec Book Value per Share Chart

Innospec Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Book Value per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 41.67 41.91 46.13 48.53 53.52

Innospec Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Book Value per Share 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 50.45 52.03 52.35 53.52 54.41

IOSP vs MTX, ODC, NGVT: Book Value per Share Comparison

For the Specialty Chemicals subindustry, Innospec's PB Ratio, along with its competitors' market caps and PB Ratio 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.


Innospec PB Ratio vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, Innospec's PB Ratio distribution charts can be found below:

* The bar in red indicates where Innospec's PB Ratio falls into.


IOSP
76GF Score
Innospec Inc IOSP
Book Value per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Innospec Book Value per Share Calculation

Innospec's Book Value Per Share for the fiscal year that ended in Dec. 2025 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(1,326-0)/25
=53.52

Innospec's Book Value Per Share for the quarter that ended in Mar. 2026 is calculated as:

Book Value Per Share=(Total Stockholders Equity-Preferred Stock)/Shares Outstanding (EOP)
=(1,345-0)/25
=54.41

* 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.

Theoretically it is what the shareholders will receive if the company is liquidated. Total Stockholders Equity is a balance sheet item and equal to Total Assets less Total Liabilities of the company.

Book value may include intangible items which may come from the company's past acquisitions. Book value less intangibles is called Tangible Book.

Frequently Asked Questions Learn more about Book Value per Share →
What does a Book Value per Share of $54.41 mean?
Innospec (IOSP) has a Book Value per Share of $54.41 as of Mar. 2026. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Innospec and its competitors.
Is Innospec's Book Value per Share too high?
Innospec's current Book Value per Share is $54.41. Overall, Innospec has a GF Score™ of 76/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Innospec's Book Value per Share compare to MTX and ODC?
Innospec's Book Value per Share of $54.41 can be compared against companies in the Chemicals industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Book Value per Share for a Chemicals company?
A good Book Value per Share depends on the Chemicals industry context. However, Book Value per Share 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 Book Value per Share mean?
A high Book Value per Share can signal that a stock is expensive relative to its fundamentals. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Innospec and its competitors. Innospec's current Book Value per Share is $54.41. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Innospec stock overvalued right now?
Based on GuruFocus' analysis, Innospec (IOSP) is currently considered Modestly Undervalued. The stock's GF Value™ is $94.88, compared to a current price of $81.62 — trading 14% below its estimated fair value. The current Book Value per Share is $54.41. Innospec's overall GF Score™ is 76/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Book Value per Share calculated?
Book Value per Share is calculated from a company's financial statements. For Innospec (IOSP), the current Book Value per Share is $54.41 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 Innospec (IOSP) Overvalued in 2026?

Based on GuruFocus' analysis, Innospec stock appears to be undervalued. The current stock price of $81.62 is trading 14% below its estimated GF Value™ of $94.88. GuruFocus considers Innospec to be Modestly Undervalued.

Key valuation signals for IOSP:

  • Book Value per Share: $54.41
  • GF Value™: $94.88 vs. price of $81.62 (14% below fair value)
  • GF Score™: 76/100 with 3 warning signs

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


Innospec Business Description

Other Exchanges 0JAX:UKOCT:Germany
Address 8310 South Valley Highway, Suite 350, Englewood, CO, USA, 80112
Innospec Inc manufactures and sells a variety of chemicals and fuel additives. The firm organizes itself into three segments based on product type. The Performance Chemicals segment that derives maximum revenue, provides technology-based solutions for its customers' processes or products in personal care, home care, agrochemical, construction, mining and other industrial markets. The Fuel Specialties segment develops, manufactures, blends, markets and supplies a range of specialty chemical products used as additives in diesel, jet, marine, fuel oil and other fuels. The Oilfield Services segment develops and markets chemical solutions for drilling, completion, production, DRA and oil and gas applications.
76GF Score

Get the complete analysis for IOSP

Book Value per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$81.62
Price
$94.88
GF Value