GNTX (Gentex) ROE % Adjusted to Book Value: 8.48% (As of Mar. 2026)


GNTX Gentex Corp GNTX
94 GF Score
Price $24.38
GF Value $35.85
Valuation Significantly Undervalued
! 3 Warning Signs
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What is Gentex ROE % Adjusted to Book Value?

Gentex GNTX -1.18% 94 ROE % Adjusted to Book Value is 8.48% as of Mar. 2026. GuruFocus rates GNTX with a GF Score™ of 94/100 and a GF Value™ of $35.85 (Significantly Undervalued). The stock has 3 warning signs investors should review.

Gentex's ROE % for the quarter that ended in Mar. 2026 was 15.78%. Gentex's PB Ratio for the quarter that ended in Mar. 2026 was 1.86. Gentex's ROE % Adjusted to Book Value for the quarter that ended in Mar. 2026 was 8.48%.

Gentex ROE % Adjusted to Book Value Related Terms

Gentex ROE % Adjusted to Book Value Historical Data

* Premium members only.

The historical data trend for Gentex'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.

Gentex ROE % Adjusted to Book Value Chart

Gentex 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 4.35 5.15 5.98 6.38 7.69

Gentex 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 7.25 7.87 6.61 7.39 8.48

GNTX vs QS, ATMU, GTX: ROE % Adjusted to Book Value Comparison

For the Auto Parts subindustry, Gentex'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.

Gentex ROE % Adjusted to Book Value vs Vehicles & Parts Industry

For the Vehicles & Parts industry and Consumer Cyclical sector, Gentex's ROE % Adjusted to Book Value distribution charts can be found below:

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


GNTX
94GF Score
Gentex Corp GNTX
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Gentex ROE % Adjusted to Book Value Calculation

Gentex'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
=15.53% / 2.02
=7.69%

Gentex'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
=15.78% / 1.86
=8.48%

* 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 8.48% mean?
Gentex (GNTX) has a ROE % Adjusted to Book Value of 8.48% 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 Gentex and its competitors.
Is Gentex's ROE % Adjusted to Book Value too high?
Gentex's current ROE % Adjusted to Book Value is 8.48%. Overall, Gentex has a GF Score™ of 94/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Gentex's ROE % Adjusted to Book Value compare to QS and ATMU?
Gentex's ROE % Adjusted to Book Value of 8.48% can be compared against companies in the Vehicles & Parts 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 Vehicles & Parts company?
A good ROE % Adjusted to Book Value depends on the Vehicles & Parts 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 Gentex and its competitors. Gentex's current ROE % Adjusted to Book Value is 8.48%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Gentex stock overvalued right now?
Based on GuruFocus' analysis, Gentex (GNTX) is currently considered Significantly Undervalued. The stock's GF Value™ is $35.85, compared to a current price of $24.38 — trading 32% below its estimated fair value. The current ROE % Adjusted to Book Value is 8.48%. Gentex's overall GF Score™ is 94/100 with 3 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 Gentex (GNTX), the current ROE % Adjusted to Book Value is 8.48% 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 Gentex (GNTX) Overvalued in 2026?

Based on GuruFocus' analysis, Gentex stock appears to be undervalued. The current stock price of $24.38 is trading 32% below its estimated GF Value™ of $35.85. GuruFocus considers Gentex to be Significantly Undervalued.

Key valuation signals for GNTX:

  • ROE % Adjusted to Book Value: 8.48%
  • GF Value™: $35.85 vs. price of $24.38 (32% below fair value)
  • GF Score™: 94/100 with 3 warning signs

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

Gentex Business Description

Other Exchanges GTX:Germany
Address 600 North Centennial Street, Zeeland, MI, USA, 49464
Gentex was founded in 1974 to produce smoke-detection equipment. The company sold its first glare-control interior mirror in 1982 and its first model using electrochromic technology in 1987. Automotive revenue was about 89% of total revenue in 2025, down from 98% in 2024 due to the Voxx acquisition in April 2025. The company is constantly developing new applications for the technology to remain on top. Sales in 2025 totaled about $2.5 billion with 44.8 million mirrors shipped. The unit mix breaks out as 64% interior and 36% exterior versus 31% exterior in 2019. The company is based in Zeeland, Michigan.
94GF 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.

$24.38
Price
$35.85
GF Value