Fastenal Co (FRA:FAS) Days Inventory: 127.96 (As of Mar. 2026) — 20% Below Median


FRA:FAS Fastenal Co FRA:FAS
93 GF Score
Price €40.94
GF Value €37.55
Valuation Fairly Valued
! 2 Warning Signs
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What is Fastenal Co Days Inventory?

Fastenal Co FRA:FAS -2.07% 93 Days Inventory is 127.96 as of Mar. 2026, which is 20% below its 10-year median of 160.86. GuruFocus rates FRA:FAS with a GF Score™ of 93/100 and a GF Value™ of €37.55 (Fairly Valued). The stock has 2 warning signs investors should review. Among 153 Industrial Distribution companies, Fastenal Co ranks worse than 70.59% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Fastenal Co's Average Total Inventories for the three months ended in Mar. 2026 was €1,478 Mil. Fastenal Co's Cost of Goods Sold for the three months ended in Mar. 2026 was €1,054 Mil. Hence, Fastenal Co's Days Inventory for the three months ended in Mar. 2026 was 127.96.

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

FRA:FAS' s Days Inventory Range Over the Past 10 Years
Min: 134.37   Med: 160.86   Max: 174.19
Current: 134.37

During the past 13 years, Fastenal Co's highest Days Inventory was 174.19. The lowest was 134.37. And the median was 160.86.

FRA:FAS's Days Inventory is ranked worse than
70.59% of 153 companies
in the Industrial Distribution industry
Industry Median: 91.43 vs FRA:FAS: 134.37

Fastenal Co's Days Inventory declined from Mar. 2025 (143.06) to Mar. 2026 (127.96).

Inventory Turnover measures how fast the company turns over its inventory within a year. Fastenal Co's Inventory Turnover for the three months ended in Mar. 2026 was 0.71.

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. Fastenal Co's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.78.


Fastenal Co  (FRA:FAS) 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.

Fastenal 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.

Fastenal 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.


Fastenal Co Days Inventory Related Terms


Fastenal Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Fastenal 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.

Fastenal Co Days Inventory Chart

Fastenal 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 156.10 152.04 149.99 136.83 145.19

Fastenal 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 143.06 140.87 135.98 140.14 127.96

FRA:FAS vs FERG, GWW, WCC: Days Inventory Comparison

For the Industrial Distribution subindustry, Fastenal 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.


Fastenal Co Days Inventory vs Industrial Distribution Industry

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

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


FRA:FAS
93GF Score
Fastenal Co FRA:FAS
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Fastenal Co Days Inventory Calculation

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

Fastenal 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
=( (1570.975 + 1492.792) / 2 ) / 3850.942*365
=1531.8835 / 3850.942*365
=145.19

Fastenal 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
=( (1492.792 + 1464.012) / 2 ) / 1054.262*365 / 4
=1478.402 / 1054.262*365 / 4
=127.96

* 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 127.96 mean?
Fastenal Co (FRA:FAS) has a Days Inventory of 127.96 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Fastenal Co and its competitors. This is 20% below median its historical median of 160.86. Over the past decade, Fastenal Co's Days Inventory has ranged from 134.37 to 174.19. According to the industry distribution chart, Fastenal Co ranks #108 out of 153 companies in the Industrial Distribution industry, placing it in the top 70.6%.
Is Fastenal Co's Days Inventory too high?
Fastenal Co's current Days Inventory of 127.96 is 20% below median its 10-year median of 160.86. Over the past 10 years, this metric has ranged from a low of 134.37 to a high of 174.19. The Industrial Distribution industry median Days Inventory is 91.43. Fastenal Co's value of 127.96 is 40% above this industry median. Based on the distribution chart, Fastenal Co ranks #108 out of 153 companies in the Industrial Distribution industry, which is below the industry midpoint. Overall, Fastenal Co has a GF Score™ of 93/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Fastenal Co's Days Inventory compare to FERG and GWW?
According to the Industrial Distribution industry distribution chart, Fastenal Co ranks #108 out of 153 companies for Days Inventory. This places Fastenal Co in the lower half of its industry. The industry median Days Inventory is 91.43. Fastenal Co's value of 127.96 is 40% above this benchmark. Historically, Fastenal Co's own Days Inventory has ranged from 134.37 to 174.19 over the past decade. While the company's 10-year median is 160.86 vs. the industry median of 91.43, Fastenal Co 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 an Industrial Distribution company?
The median Days Inventory among Industrial Distribution companies is 91.43, based on 153 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. Fastenal Co's current Days Inventory of 127.96 is 40% 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 Fastenal Co and its competitors. For the Industrial Distribution industry, the median Days Inventory is 91.43 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Fastenal Co's current Days Inventory is 127.96, which is 20% below median its own 10-year median of 160.86. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Fastenal Co stock overvalued right now?
Based on GuruFocus' analysis, Fastenal Co (FRA:FAS) is currently considered Fairly Valued. The stock's GF Value™ is €37.55, compared to a current price of €40.94 — trading 9% above its estimated fair value. The current Days Inventory is 127.96, which is 20% below median its 10-year median of 160.86 and 40% above the Industrial Distribution industry median of 91.43. Fastenal Co's overall GF Score™ is 93/100 with 2 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 Fastenal Co (FRA:FAS), the current Days Inventory is 127.96 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 Fastenal Co (FRA:FAS) Overvalued in 2026?

Based on GuruFocus' analysis, Fastenal Co stock appears to be overvalued. The current stock price of €40.94 is trading 9% above its estimated GF Value™ of €37.55. GuruFocus considers Fastenal Co to be Fairly Valued.

Key valuation signals for FRA:FAS:

  • Days Inventory: 127.96 (20% below median its 10-year median of 160.86)
  • GF Value™: €37.55 vs. price of €40.94 (9% above fair value)
  • GF Score™: 93/100 with 2 warning signs
  • Industry Position: 40% above the Industrial Distribution median (#108 of 153)

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


Fastenal Co Business Description

Other Exchanges FAST:USA0IKW:UKFAST:Austria
Address 2001 Theurer Boulevard, Winona, MN, USA, 55987-1500
Fastenal began as an industrial retailer, expanding its product portfolio from nuts and bolts to cutting tools, safety equipment, and janitorial supplies. It transitioned into a distributor by building out a dense network of branches close to its business customers. Once a customer becomes large enough, Fastenal installs vending machines and its own personnel on-site. Today, these on-site locations exceed Fastenal's branch count and remain the firm's main focus for expansion. Fastenal acts as a one-stop outsourcing partner for its industrial customers, offering value-added services along with a wide breadth of maintenance, repair, and operations supplies.
93GF Score

Get the complete analysis for FRA:FAS

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

€40.94
Price
€37.55
GF Value