Fastenal CoSTU:FAS +1.99%99 OCF Margin % is 17.19% as of Mar. 2026, which is 18% above its 10-year median of 14.57. GuruFocus rates STU:FAS with a GF Score™ of 99/100 and a GF Value™ of €37.31 (Fairly Valued). The stock has 2 warning signs investors should review. Among 156 Industrial Distribution companies, Fastenal Co ranks better than 90.38% on this metric.
The historical rank and industry rank for Fastenal Co's OCF Margin % or its related term are showing as below:
STU:FAS'
s OCF Margin % Range Over the Past 10 Years
Min: 12.81 Med: 14.57 Max: 19.51
Current: 16.71
During the past 13 years, the highest OCF Margin % of Fastenal Co was 19.51%. The lowest was 12.81%. And the median was 14.57%.
STU:FAS's OCF Margin % is ranked better than 90.38% of 156
companies
in the Industrial Distribution industry
Industry Median: 6.305
vs STU:FAS: 16.71
Fastenal Co OCF Margin % Related Terms
Fastenal Co OCF Margin % Historical Data
* Premium members only.
The historical data trend for Fastenal Co's OCF Margin % 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.
STU:FAS vs FERG, GWW, WCC: OCF Margin % Comparison
For the Industrial Distribution subindustry, Fastenal Co's OCF Margin %, along with its competitors' market caps and OCF Margin % 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 OCF Margin % vs Industrial Distribution Industry
For the Industrial Distribution industry and Industrials sector, Fastenal Co's OCF Margin % distribution charts can be found below:
* The bar in red indicates where Fastenal Co's OCF Margin % 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.
Fastenal Co (STU:FAS) has a OCF Margin % of 17.19% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Fastenal Co and its competitors. This is 18% above median its historical median of 14.57. Over the past decade, Fastenal Co's OCF Margin % has ranged from 12.81 to 19.51. According to the industry distribution chart, Fastenal Co ranks #15 out of 156 companies in the Industrial Distribution industry, placing it in the top 9.6%.
Is Fastenal Co's OCF Margin % too high?
Fastenal Co's current OCF Margin % of 17.19% is 18% above median its 10-year median of 14.57. Over the past 10 years, this metric has ranged from a low of 12.81 to a high of 19.51. The Industrial Distribution industry median OCF Margin % is 6.31. Fastenal Co's value of 17.19% is 172.6% above this industry median. Based on the distribution chart, Fastenal Co ranks #15 out of 156 companies in the Industrial Distribution industry, which is in the top quartile — a strong position relative to peers. Overall, Fastenal Co has a GF Score™ of 99/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Fastenal Co's OCF Margin % compare to FERG and GWW?
According to the Industrial Distribution industry distribution chart, Fastenal Co ranks #15 out of 156 companies for OCF Margin %. This places Fastenal Co in the top 10% of its industry — outperforming the majority of peers. The industry median OCF Margin % is 6.31. Fastenal Co's value of 17.19% is 172.6% above this benchmark. Historically, Fastenal Co's own OCF Margin % has ranged from 12.81 to 19.51 over the past decade. While the company's 10-year median is 14.57 vs. the industry median of 6.31, 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 OCF Margin % for an Industrial Distribution company?
The median OCF Margin % among Industrial Distribution companies is 6.31, based on 156 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Fastenal Co's current OCF Margin % of 17.19% is 172.6% 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Fastenal Co and its competitors. For the Industrial Distribution industry, the median OCF Margin % is 6.31 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Fastenal Co's current OCF Margin % is 17.19%, which is 18% above median its own 10-year median of 14.57. 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 (STU:FAS) is currently considered Fairly Valued. The stock's GF Value™ is €37.31, compared to a current price of €40.84 — trading 9.4% above its estimated fair value. The current OCF Margin % is 17.19%, which is 18% above median its 10-year median of 14.57 and 172.6% above the Industrial Distribution industry median of 6.31. Fastenal Co's overall GF Score™ is 99/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Fastenal Co (STU:FAS), the current OCF Margin % is 17.19% 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 (STU:FAS) Overvalued in 2026?
Based on GuruFocus' analysis, Fastenal Co stock appears to be overvalued.
The current stock price of €40.84 is trading 9.4% above its estimated GF Value™ of €37.31.
GuruFocus considers Fastenal Co to be Fairly Valued.
Key valuation signals for STU:FAS:
OCF Margin %: 17.19% (18% above median its 10-year median of 14.57)
GF Value™: €37.31 vs. price of €40.84 (9.4% above fair value)
Industry Position: 172.6% above the Industrial Distribution median (#15 of 156)
No single metric tells the full story. See the STU:FAS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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.
99GF Score
Get the complete analysis for STU:FAS
OCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
STU:FAS has been successfully added to your 
