Cosan (BSP:CSAN3) Market Cap: R$14,831 Mil (As of Jun. 27, 2026)


BSP:CSAN3 Cosan SA BSP:CSAN3
61 GF Score
Price R$3.76
GF Value R$7.98
Valuation Possible Value Trap
! 3 Warning Signs
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What is Cosan Market Cap?

Cosan BSP:CSAN3 +1.35% 61 Market Cap is R$14,831 Mil as of Jun. 27, 2026. GuruFocus rates BSP:CSAN3 with a GF Score™ of 61/100 and a GF Value™ of R$7.98 (Possible Value Trap). The stock has 3 warning signs investors should review. Among 1,043 Oil & Gas companies, Cosan ranks better than 79.87% 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). Cosan's share price for the quarter that ended in Mar. 2026 was R$5.38. Cosan's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 3,919 Mil. Therefore, Cosan's market cap for the quarter that ended in Mar. 2026 was R$21,084 Mil.

Cosan's quarterly market cap increased from Sep. 2025 (R$11,471 Mil) to Dec. 2025 (R$21,064 Mil) and increased from Dec. 2025 (R$21,064 Mil) to Mar. 2026 (R$21,084 Mil).

Cosan's annual market cap declined from Dec. 2023 (R$36,156 Mil) to Dec. 2024 (R$15,201 Mil) but then increased from Dec. 2024 (R$15,201 Mil) to Dec. 2025 (R$21,064 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. Cosan's Enterprise Value for Today is R$83,863 Mil.


Cosan  (BSP:CSAN3) 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.


Cosan Market Cap Related Terms


Cosan Market Cap Historical Data

* Premium members only.

The historical data trend for Cosan'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.

Cosan Market Cap Chart

Cosan 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 40,418.47 31,956.84 36,155.88 15,200.64 21,064.16

Cosan 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 13,735.39 12,750.52 11,471.40 21,064.16 21,083.97

BSP:CSAN3 vs VLO, MPC, PSX: Market Cap Comparison

For the Oil & Gas Refining & Marketing subindustry, Cosan'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.


Cosan Market Cap vs Oil & Gas Industry

For the Oil & Gas industry and Energy sector, Cosan's Market Cap distribution charts can be found below:

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


BSP:CSAN3
61GF Score
Cosan SA BSP:CSAN3
Market Cap is just one metric. See GF Score™, valuation, warning signs, and more.
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Cosan 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.

Cosan'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 )
=R$5.32*3959.429
=R$21,064

Cosan'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 )
=R$5.38*3918.953
=R$21,084

* 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 R$14,831 Mil mean?
Cosan (BSP:CSAN3) has a Market Cap of R$14,831 Mil as of Jun. 27, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Cosan and its competitors. According to the industry distribution chart, Cosan ranks #210 out of 1043 companies in the Oil & Gas industry, placing it in the top 20.1%.
Is Cosan's Market Cap too high?
Cosan's current Market Cap is R$14,831 Mil. Based on the distribution chart, Cosan ranks #210 out of 1043 companies in the Oil & Gas industry, which is in the top quartile — a strong position relative to peers. Overall, Cosan has a GF Score™ of 61/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Cosan's Market Cap compare to VLO and MPC?
According to the Oil & Gas industry distribution chart, Cosan ranks #210 out of 1043 companies for Market Cap. This places Cosan in the top 20% of its industry — outperforming the majority of peers. The industry median Market Cap is 206.34. 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 Oil & Gas company?
The median Market Cap among Oil & Gas companies is 206.34, based on 1,043 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 Cosan and its competitors. For the Oil & Gas industry, the median Market Cap is 206.34 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Cosan's current Market Cap is R$14,831 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Cosan stock overvalued right now?
Based on GuruFocus' analysis, Cosan (BSP:CSAN3) is currently considered Possible Value Trap. The stock's GF Value™ is R$7.98, compared to a current price of R$3.76 — trading 52.9% below its estimated fair value. The current Market Cap is R$14,831 Mil. Cosan's overall GF Score™ is 61/100 with 3 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 Cosan (BSP:CSAN3), the current Market Cap is R$14,831 Mil as of Jun. 27, 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 Cosan (BSP:CSAN3) Overvalued in 2026?

Based on GuruFocus' analysis, Cosan stock appears to be undervalued. The current stock price of R$3.76 is trading 52.9% below its estimated GF Value™ of R$7.98. GuruFocus considers Cosan to be Possible Value Trap.

Key valuation signals for BSP:CSAN3:

  • Market Cap: R$14,831 Mil
  • GF Value™: R$7.98 vs. price of R$3.76 (52.9% below fair value)
  • GF Score™: 61/100 with 3 warning signs

No single metric tells the full story. See the BSP:CSAN3 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Cosan Business Description

Industry EnergyOil & Gas
Other Exchanges CSAN:USA9CI0:Germany
Address Avenue Brigadeiro Faria Lima, 4100 / 15th Floor Itaim Bibi, Sao Paulo, SP, BRA, 04538-132
Cosan SA engages in several services throughout the energy and logistics sectors. Its reportable segments are Raizen, Compass, Moove, Rumo, and Radar. It generates the majority of its revenue from Raizen which operates in the production, commercialization, origination, and trading of ethanol, bioenergy, resale, and trading of electricity, renewable sources, marketing, origination, and trading of sugar and fuels, and lubricant.
61GF Score

Get the complete analysis for BSP:CSAN3

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

R$3.76
Price
R$7.98
GF Value