Fastenal CoSTU:FAS +1.99%99 Market Cap is €46,673 Mil as of Jun. 25, 2026. 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 159 Industrial Distribution companies, Fastenal Co ranks better than 98.74% on this metric.
Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). Fastenal Co's share price for the quarter that ended in Mar. 2026 was €40.11. Fastenal Co's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 1,148 Mil. Therefore, Fastenal Co's market cap for the quarter that ended in Mar. 2026 was €46,046 Mil.
Fastenal Co's quarterly market cap
declined
from Sep. 2025 (€47,678 Mil) to Dec. 2025 (€40,096 Mil) but then
increased
from Dec. 2025 (€40,096 Mil) to Mar. 2026 (€46,046 Mil).
Fastenal Co's annual market cap
increased
from Dec. 2023 (€33,381 Mil) to Dec. 2024 (€39,909 Mil) and
increased
from Dec. 2024 (€39,909 Mil) to Dec. 2025 (€40,096 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. Fastenal Co's Enterprise Value for Today is €46,793 Mil.
Fastenal Co (STU:FAS) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
Fastenal Co Market Cap Related Terms
Fastenal Co Market Cap Historical Data
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The historical data trend for Fastenal Co's Market Cap 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 Industrial Distribution subindustry, Fastenal Co's Market Cap, along with its competitors' market caps and Market Cap 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 Market Cap vs Industrial Distribution Industry
For the Industrial Distribution industry and Industrials sector, Fastenal Co's Market Cap distribution charts can be found below:
* The bar in red indicates where Fastenal Co's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
Fastenal Co's Market Cap for the fiscal year that ended in Dec. 2025 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.
Fastenal Co (STU:FAS) has a Market Cap of €46,673 Mil as of Jun. 25, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Fastenal Co and its competitors. According to the industry distribution chart, Fastenal Co ranks #2 out of 159 companies in the Industrial Distribution industry, placing it in the top 1.3%.
Is Fastenal Co's Market Cap too high?
Fastenal Co's current Market Cap is €46,673 Mil. Based on the distribution chart, Fastenal Co ranks #2 out of 159 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 Market Cap compare to FERG and GWW?
According to the Industrial Distribution industry distribution chart, Fastenal Co ranks #2 out of 159 companies for Market Cap. This places Fastenal Co in the top 1% of its industry — outperforming the majority of peers. The industry median Market Cap is 142.59. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for an Industrial Distribution company?
The median Market Cap among Industrial Distribution companies is 142.59, based on 159 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap 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 Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Fastenal Co and its competitors. For the Industrial Distribution industry, the median Market Cap is 142.59 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Fastenal Co's current Market Cap is €46,673 Mil. 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 Market Cap is €46,673 Mil. 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 Market Cap calculated?
Market Cap is calculated from a company's financial statements. For Fastenal Co (STU:FAS), the current Market Cap is €46,673 Mil as of Jun. 25, 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:
Market Cap: €46,673 Mil
GF Value™: €37.31 vs. price of €40.84 (9.4% above fair value)
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
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