ESAIY (Eisai Co) Market Cap: $6,751 Mil (As of Jun. 24, 2026)


ESAIY Eisai Co Ltd ESAIY
66 GF Score
Price $5.98
GF Value $8.73
Valuation Significantly Undervalued
! 7 Warning Signs
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What is Eisai Co Market Cap?

Eisai Co ESAIY +0.34% 66 Market Cap is $6,751 Mil as of Jun. 24, 2026. GuruFocus rates ESAIY with a GF Score™ of 66/100 and a GF Value™ of $8.73 (Significantly Undervalued). The stock has 7 warning signs investors should review. Among 1,023 Drug Manufacturers companies, Eisai Co ranks better than 93.74% 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). Eisai Co's share price for the quarter that ended in Mar. 2026 was $7.8. Eisai Co's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 1,128 Mil. Therefore, Eisai Co's market cap for the quarter that ended in Mar. 2026 was $8,795 Mil.

Eisai Co's quarterly market cap declined from Sep. 2025 ($9,596 Mil) to Dec. 2025 ($8,321 Mil) but then increased from Dec. 2025 ($8,321 Mil) to Mar. 2026 ($8,795 Mil).

Eisai Co's annual market cap declined from Mar. 2024 ($11,815 Mil) to Mar. 2025 ($7,820 Mil) but then increased from Mar. 2025 ($7,820 Mil) to Mar. 2026 ($8,795 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. Eisai Co's Enterprise Value for Today is $6,538 Mil.


Eisai Co  (OTCPK:ESAIY) 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.


Eisai Co Market Cap Related Terms


Eisai Co Market Cap Historical Data

* Premium members only.

The historical data trend for Eisai 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.

Eisai Co Market Cap Chart

Eisai Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Market Cap
Get a 7-Day Free Trial Premium Member Only Premium Member Only 53,315.52 16,255.48 11,814.66 7,819.58 8,794.98

Eisai Co 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 7,819.58 8,061.98 9,595.59 8,321.43 8,794.98

ESAIY vs ZTS: Market Cap Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, Eisai 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.


Eisai Co Market Cap vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, Eisai Co's Market Cap distribution charts can be found below:

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


ESAIY
66GF Score
Eisai Co Ltd ESAIY
Market Cap is just one metric. See GF Score™, valuation, warning signs, and more.
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Eisai Co 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.

Eisai Co's Market Cap for the fiscal year that ended in Mar. 2026 is calculated as

Market Cap (A: Mar. 2026 )=Share Price (A: Mar. 2026 )*Shares Outstanding (EOP) (A: Mar. 2026 )
=$7.8*1127.562
=$8,795

Eisai Co'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 )
=$7.8*1127.562
=$8,795

* 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 $6,751 Mil mean?
Eisai Co (ESAIY) has a Market Cap of $6,751 Mil as of Jun. 24, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Eisai Co and its competitors. According to the industry distribution chart, Eisai Co ranks #64 out of 1023 companies in the Drug Manufacturers industry, placing it in the top 6.3%.
Is Eisai Co's Market Cap too high?
Eisai Co's current Market Cap is $6,751 Mil. The Drug Manufacturers industry median Market Cap is 207.38. Eisai Co's value of $6,751 Mil is 3155.4% above this industry median. Based on the distribution chart, Eisai Co ranks #64 out of 1023 companies in the Drug Manufacturers industry, which is in the top quartile — a strong position relative to peers. Overall, Eisai Co has a GF Score™ of 66/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Eisai Co's Market Cap compare to ZTS?
According to the Drug Manufacturers industry distribution chart, Eisai Co ranks #64 out of 1023 companies for Market Cap. This places Eisai Co in the top 6% of its industry — outperforming the majority of peers. The industry median Market Cap is 207.38. Eisai Co's value of $6,751 Mil is 3155.4% 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 Drug Manufacturers company?
The median Market Cap among Drug Manufacturers companies is 207.38, based on 1,023 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. Eisai Co's current Market Cap of $6,751 Mil is 3155.4% 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 Eisai Co and its competitors. For the Drug Manufacturers industry, the median Market Cap is 207.38 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Eisai Co's current Market Cap is $6,751 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Eisai Co stock overvalued right now?
Based on GuruFocus' analysis, Eisai Co (ESAIY) is currently considered Significantly Undervalued. The stock's GF Value™ is $8.73, compared to a current price of $5.98 — trading 31.5% below its estimated fair value. The current Market Cap is $6,751 Mil and 3155.4% above the Drug Manufacturers industry median of 207.38. Eisai Co's overall GF Score™ is 66/100 with 7 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 Eisai Co (ESAIY), the current Market Cap is $6,751 Mil as of Jun. 24, 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 Eisai Co (ESAIY) Overvalued in 2026?

Based on GuruFocus' analysis, Eisai Co stock appears to be undervalued. The current stock price of $5.98 is trading 31.5% below its estimated GF Value™ of $8.73. GuruFocus considers Eisai Co to be Significantly Undervalued.

Key valuation signals for ESAIY:

  • Market Cap: $6,751 Mil
  • GF Value™: $8.73 vs. price of $5.98 (31.5% below fair value)
  • GF Score™: 66/100 with 7 warning signs
  • Industry Position: 3155.4% above the Drug Manufacturers median (#64 of 1023)

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


Eisai Co Business Description

Address 4-6-10 Koishikawa, Bunkyo-ku, Tokyo, JPN, 112-8088
Eisai Co Ltd is a specialty and generic drug manufacturing company. The company's business consists of research and development, manufacturing, sales, import, and export of pharmaceuticals. The pharmaceutical business is categorized by region, including East Asia & Global South; Europe, Middle East, Africa, Russia, Oceania (EMEA); Americas; China; and Japan. The company also reports a consumer healthcare business for Japan. The vast majority of the company's revenue is derived from its American pharmaceutical business, followed by its Japanese pharmaceuticals segment. The company utilizes licensing strategies in order to expand its research, development, manufacturing, and marketing capabilities.
66GF Score

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

$5.98
Price
$8.73
GF Value