GentexGNTX -1.80%91 Days Inventory is 106.17 as of Mar. 2026, which is 25% above its 10-year median of 84.60. GuruFocus rates GNTX with a GF Score™ of 91/100 and a GF Value™ of $35.88 (Significantly Undervalued). The stock has 3 warning signs investors should review. Among 1,292 Vehicles & Parts companies, Gentex ranks worse than 64.4% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Gentex's Average Total Inventories for the
three
months ended in Mar. 2026 was $520 Mil. Gentex's Cost of Goods Sold for the
three
months ended in Mar. 2026 was $447 Mil.
Hence, Gentex's Days Inventory for the
three
months ended in Mar. 2026 was 106.17.
The historical rank and industry rank for Gentex's Days Inventory or its related term are showing as below:
GNTX'
s Days Inventory Range Over the Past 10 Years
Min: 65.74 Med: 84.6 Max: 104.27
Current: 102.31
During the past 13 years, Gentex's highest Days Inventory was 104.27. The lowest was 65.74. And the median was 84.60.
GNTX's Days Inventory is ranked worse than 64.4% of 1292
companies
in the Vehicles & Parts industry
Industry Median: 80.26
vs GNTX: 102.31
Gentex's Days Inventory
increased
from Mar. 2025 (100.18) to Mar. 2026 (106.17).
It might indicate that Gentex's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Gentex's Inventory Turnover for the
three
months ended in Mar. 2026 was 0.86.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Gentex's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.77.
Gentex (NAS:GNTX) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Gentex's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Gentex's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Gentex Days Inventory Related Terms
Gentex Days Inventory Historical Data
* Premium members only.
The historical data trend for Gentex's Days Inventory 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.
For the Auto Parts subindustry, Gentex's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, Gentex's Days Inventory distribution charts can be found below:
* The bar in red indicates where Gentex's Days Inventory falls into.
* 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 (GNTX) has a Days Inventory of 106.17 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Gentex and its competitors. This is 25% above median its historical median of 84.60. Over the past decade, Gentex's Days Inventory has ranged from 65.74 to 104.27. According to the industry distribution chart, Gentex ranks #832 out of 1292 companies in the Vehicles & Parts industry, placing it in the top 64.4%.
Is Gentex's Days Inventory too high?
Gentex's current Days Inventory of 106.17 is 25% above median its 10-year median of 84.60. Over the past 10 years, this metric has ranged from a low of 65.74 to a high of 104.27. The Vehicles & Parts industry median Days Inventory is 80.26. Gentex's value of 106.17 is 32.3% above this industry median. Based on the distribution chart, Gentex ranks #832 out of 1292 companies in the Vehicles & Parts industry, which is below the industry midpoint. Overall, Gentex has a GF Score™ of 91/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Gentex's Days Inventory compare to QS and ATMU?
According to the Vehicles & Parts industry distribution chart, Gentex ranks #832 out of 1292 companies for Days Inventory. This places Gentex in the lower half of its industry. The industry median Days Inventory is 80.26. Gentex's value of 106.17 is 32.3% above this benchmark. Historically, Gentex's own Days Inventory has ranged from 65.74 to 104.27 over the past decade. While the company's 10-year median is 84.60 vs. the industry median of 80.26, Gentex has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Days Inventory for a Vehicles & Parts company?
The median Days Inventory among Vehicles & Parts companies is 80.26, based on 1,292 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Gentex's current Days Inventory of 106.17 is 32.3% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Gentex and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.26 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Gentex's current Days Inventory is 106.17, which is 25% above median its own 10-year median of 84.60. 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 $35.88, compared to a current price of $24.04 — trading 33% below its estimated fair value. The current Days Inventory is 106.17, which is 25% above median its 10-year median of 84.60 and 32.3% above the Vehicles & Parts industry median of 80.26. Gentex's overall GF Score™ is 91/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Gentex (GNTX), the current Days Inventory is 106.17 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 $24.04 is trading 33% below its estimated GF Value™ of $35.88.
GuruFocus considers Gentex to be Significantly Undervalued.
Key valuation signals for GNTX:
Days Inventory: 106.17 (25% above median its 10-year median of 84.60)
GF Value™: $35.88 vs. price of $24.04 (33% below fair value)
Industry Position: 32.3% above the Vehicles & Parts median (#832 of 1292)
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 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.
91GF Score
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