Tennant Co (STU:TN1) Days Inventory: 99.17 (As of Mar. 2026) — 19% Above Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

STU:TN1 Tennant Co STU:TN1
66 GF Score
Price €72.55
GF Value €75.45
Valuation Fairly Valued
! 10 Warning Signs
View Full Analysis

What is Tennant Co Days Inventory?

Tennant Co STU:TN1 +1.68% 66 Days Inventory is 99.17 as of Mar. 2026, which is 19% above its 10-year median of 83.04. GuruFocus rates STU:TN1 with a GF Score™ of 66/100 and a GF Value™ of €75.45 (Fairly Valued). The stock has 10 warning signs investors should review. Among 2,971 Industrial Products companies, Tennant Co ranks better than 61.12% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Tennant Co's Average Total Inventories for the three months ended in Mar. 2026 was €173 Mil. Tennant Co's Cost of Goods Sold for the three months ended in Mar. 2026 was €159 Mil. Hence, Tennant Co's Days Inventory for the three months ended in Mar. 2026 was 99.17.

The historical rank and industry rank for Tennant Co's Days Inventory or its related term are showing as below:

STU:TN1' s Days Inventory Range Over the Past 10 Years
Min: 62.27   Med: 83.04   Max: 99.83
Current: 99.09

During the past 13 years, Tennant Co's highest Days Inventory was 99.83. The lowest was 62.27. And the median was 83.04.

STU:TN1's Days Inventory is ranked better than
61.12% of 2971 companies
in the Industrial Products industry
Industry Median: 119.96 vs STU:TN1: 99.09

Tennant Co's Days Inventory declined from Mar. 2025 (102.27) to Mar. 2026 (99.17).

Inventory Turnover measures how fast the company turns over its inventory within a year. Tennant Co's Inventory Turnover for the three months ended in Mar. 2026 was 0.92.

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. Tennant Co's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.67.


Tennant Co  (STU:TN1) 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.

Tennant Co'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.

Tennant Co'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.


Tennant Co Days Inventory Related Terms


Tennant Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Tennant Co'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.

Tennant Co Days Inventory Chart

Tennant Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 78.06 97.10 99.07 87.37 102.53

Tennant Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Days Inventory 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 102.27 98.79 106.19 96.59 99.17

STU:TN1 vs AMSC, BW, EPAC: Days Inventory Comparison

For the Specialty Industrial Machinery subindustry, Tennant Co'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.


Tennant Co Days Inventory vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Tennant Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Tennant Co's Days Inventory falls into.


STU:TN1
66GF Score
Tennant Co STU:TN1
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tennant Co Days Inventory Calculation

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Tennant Co's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (175.529 + 169.519) / 2 ) / 614.197*365
=172.524 / 614.197*365
=102.53

Tennant Co's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (169.519 + 176.979) / 2 ) / 159.419*365 / 4
=173.249 / 159.419*365 / 4
=99.17

* 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.

Frequently Asked Questions Learn more about Days Inventory →
What does a Days Inventory of 99.17 mean?
Tennant Co (STU:TN1) has a Days Inventory of 99.17 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Tennant Co and its competitors. This is 19% above median its historical median of 83.04. Over the past decade, Tennant Co's Days Inventory has ranged from 62.27 to 99.83. According to the industry distribution chart, Tennant Co ranks #1155 out of 2971 companies in the Industrial Products industry, placing it in the top 38.9%.
Is Tennant Co's Days Inventory too high?
Tennant Co's current Days Inventory of 99.17 is 19% above median its 10-year median of 83.04. Over the past 10 years, this metric has ranged from a low of 62.27 to a high of 99.83. The Industrial Products industry median Days Inventory is 119.96. Tennant Co's value of 99.17 is 17.3% below this industry median. Based on the distribution chart, Tennant Co ranks #1155 out of 2971 companies in the Industrial Products industry, which is above the industry midpoint. Overall, Tennant Co has a GF Score™ of 66/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Tennant Co's Days Inventory compare to AMSC and BW?
According to the Industrial Products industry distribution chart, Tennant Co ranks #1155 out of 2971 companies for Days Inventory. This puts Tennant Co in the upper half of its industry. The industry median Days Inventory is 119.96. Tennant Co's value of 99.17 is 17.3% below this benchmark. Historically, Tennant Co's own Days Inventory has ranged from 62.27 to 99.83 over the past decade. While the company's 10-year median is 83.04 vs. the industry median of 119.96, Tennant Co has consistently been below 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 an Industrial Products company?
The median Days Inventory among Industrial Products companies is 119.96, based on 2,971 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. Tennant Co's current Days Inventory of 99.17 is 17.3% below 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 Tennant Co and its competitors. For the Industrial Products industry, the median Days Inventory is 119.96 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tennant Co's current Days Inventory is 99.17, which is 19% above median its own 10-year median of 83.04. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tennant Co stock overvalued right now?
Based on GuruFocus' analysis, Tennant Co (STU:TN1) is currently considered Fairly Valued. The stock's GF Value™ is €75.45, compared to a current price of €72.55 — trading 3.8% below its estimated fair value. The current Days Inventory is 99.17, which is 19% above median its 10-year median of 83.04 and 17.3% below the Industrial Products industry median of 119.96. Tennant Co's overall GF Score™ is 66/100 with 10 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 Tennant Co (STU:TN1), the current Days Inventory is 99.17 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 Tennant Co (STU:TN1) Overvalued in 2026?

Based on GuruFocus' analysis, Tennant Co stock appears to be undervalued. The current stock price of €72.55 is trading 3.8% below its estimated GF Value™ of €75.45. GuruFocus considers Tennant Co to be Fairly Valued.

Key valuation signals for STU:TN1:

  • Days Inventory: 99.17 (19% above median its 10-year median of 83.04)
  • GF Value™: €75.45 vs. price of €72.55 (3.8% below fair value)
  • GF Score™: 66/100 with 10 warning signs
  • Industry Position: 17.3% below the Industrial Products median (#1155 of 2971)

No single metric tells the full story. See the STU:TN1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tennant Co Business Description

Other Exchanges TNC:USA
Address 10400 Clean Street, Eden Prairie, MN, USA, 55344
Tennant Co is engaged in designing, manufacturing and marketing solutions that empower customers to achieve quality cleaning performance, reduce environmental impact and help create a cleaner, safer, healthier world. The Company is committed to creating and commercializing breakthrough, sustainable cleaning innovations to enhance its broad suite of products, including floor maintenance and cleaning equipment, detergent-free and other sustainable cleaning technologies, aftermarket parts and consumables, equipment maintenance and repair service, and asset management solutions. Its products are used in many types of environments, including retail establishments, distribution centers, factories and warehouses, public venues such as arenas and stadiums, office buildings, schools, and more.
66GF Score

Get the complete analysis for STU:TN1

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

€72.55
Price
€75.45
GF Value