Kirby (KEX) Market Cap: $6,943 Mil (As of Jul. 05, 2026)


KEX Kirby Corp KEX
84 GF Score
Price $129.84
GF Value $119.32
Valuation Fairly Valued
! 2 Warning Signs
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What is Kirby Market Cap?

Kirby KEX -0.86% 84 Market Cap is $6,943 Mil as of Jul. 05, 2026. GuruFocus rates KEX with a GF Score™ of 84/100 and a GF Value™ of $119.32 (Fairly Valued). The stock has 2 warning signs investors should review. Among 1,024 Transportation companies, Kirby ranks better than 90.72% 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). Kirby's share price for the quarter that ended in Mar. 2026 was $132.88. Kirby's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 53 Mil. Therefore, Kirby's market cap for the quarter that ended in Mar. 2026 was $7,105 Mil.

Kirby's quarterly market cap increased from Sep. 2025 ($4,568 Mil) to Dec. 2025 ($5,924 Mil) and increased from Dec. 2025 ($5,924 Mil) to Mar. 2026 ($7,105 Mil).

Kirby's annual market cap increased from Dec. 2023 ($4,601 Mil) to Dec. 2024 ($6,058 Mil) but then declined from Dec. 2024 ($6,058 Mil) to Dec. 2025 ($5,924 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. Kirby's Enterprise Value for Today is $8,072 Mil.


Kirby  (NYSE:KEX) 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 company’s 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.


Kirby Market Cap Related Terms


Kirby Market Cap Historical Data

* Premium members only.

The historical data trend for Kirby'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.

Kirby Market Cap Chart

Kirby Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Market Cap
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3,571.80 3,855.02 4,601.20 6,057.79 5,924.49

Kirby Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Market Cap 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 5,693.73 6,356.86 4,567.89 5,924.49 7,105.36

KEX vs MATX, ZIM, SBLK: Market Cap Comparison

For the Marine Shipping subindustry, Kirby'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.


Kirby Market Cap vs Transportation Industry

For the Transportation industry and Industrials sector, Kirby's Market Cap distribution charts can be found below:

* The bar in red indicates where Kirby's Market Cap falls into.


KEX
84GF Score
Kirby Corp KEX
Market Cap is just one metric. See GF Score™, valuation, warning signs, and more.
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Kirby Market Cap Calculation

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.

Kirby's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as

Market Cap (A: Dec. 2025 )=Share Price (A: Dec. 2025 )*Shares Outstanding (EOP) (A: Dec. 2025 )
=$110.18*53.771
=$5,924

Kirby's Market Cap for the quarter that ended in Mar. 2026 is calculated as

Market Cap (Q: Mar. 2026 )=Share Price (Q: Mar. 2026 )*Shares Outstanding (EOP) (Q: Mar. 2026 )
=$132.88*53.472
=$7,105

* 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 Market Cap →
What does a Market Cap of $6,943 Mil mean?
Kirby (KEX) has a Market Cap of $6,943 Mil as of Jul. 05, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Kirby and its competitors. According to the industry distribution chart, Kirby ranks #95 out of 1024 companies in the Transportation industry, placing it in the top 9.3%.
Is Kirby's Market Cap too high?
Kirby's current Market Cap is $6,943 Mil. The Transportation industry median Market Cap is 265.88. Kirby's value of $6,943 Mil is 2511.3% above this industry median. Based on the distribution chart, Kirby ranks #95 out of 1024 companies in the Transportation industry, which is in the top quartile — a strong position relative to peers. Overall, Kirby has a GF Score™ of 84/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Kirby's Market Cap compare to MATX and ZIM?
According to the Transportation industry distribution chart, Kirby ranks #95 out of 1024 companies for Market Cap. This places Kirby in the top 9% of its industry — outperforming the majority of peers. The industry median Market Cap is 265.88. Kirby's value of $6,943 Mil is 2511.3% above this benchmark. 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 a Transportation company?
The median Market Cap among Transportation companies is 265.88, based on 1,024 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. Kirby's current Market Cap of $6,943 Mil is 2511.3% 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 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 Kirby and its competitors. For the Transportation industry, the median Market Cap is 265.88 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Kirby's current Market Cap is $6,943 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Kirby stock overvalued right now?
Based on GuruFocus' analysis, Kirby (KEX) is currently considered Fairly Valued. The stock's GF Value™ is $119.32, compared to a current price of $129.84 — trading 8.8% above its estimated fair value. The current Market Cap is $6,943 Mil and 2511.3% above the Transportation industry median of 265.88. Kirby's overall GF Score™ is 84/100 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 Kirby (KEX), the current Market Cap is $6,943 Mil as of Jul. 05, 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 Kirby (KEX) Overvalued in 2026?

Based on GuruFocus' analysis, Kirby stock appears to be overvalued. The current stock price of $129.84 is trading 8.8% above its estimated GF Value™ of $119.32. GuruFocus considers Kirby to be Fairly Valued.

Key valuation signals for KEX:

  • Market Cap: $6,943 Mil
  • GF Value™: $119.32 vs. price of $129.84 (8.8% above fair value)
  • GF Score™: 84/100 with 2 warning signs
  • Industry Position: 2511.3% above the Transportation median (#95 of 1024)

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


Kirby Business Description

Other Exchanges KIY:Germany
Address 55 Waugh Drive, Suite 1000, Houston, TX, USA, 77007
Kirby Corp is a domestic tank barge operator, transporting bulk liquid products throughout three United States coasts. The Company transports petrochemicals, liquid cargoes, inland waterway systems, and dry bulk cargoes. The Company conducts operations in two reportable business segments: The Marine transportation segment which provides marine transportation services, operating tank barges and towing vessels transporting bulk liquid products, and the Distribution and services segment, which provides after-market service, and genuine replacement parts for engines, transmissions, reduction gears, and power generation equipment used in oil and gas and commercial and industrial applications. The company's majority revenue is generated from the Marine Transportation segment.
84GF Score

Get the complete analysis for KEX

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

$129.84
Price
$119.32
GF Value