Eisai Co (STU:EII) Research & Development: €899 Mil (TTM As of Mar. 2026)


STU:EII Eisai Co Ltd STU:EII
74 GF Score
Price €21.11
GF Value €30.90
Valuation Significantly Undervalued
! 7 Warning Signs
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What is Eisai Co Research & Development?

Eisai Co STU:EII +0.24% 74 Research & Development is €899 Mil as of Mar. 2026. GuruFocus rates STU:EII with a GF Score™ of 74/100 and a GF Value™ of €30.90 (Significantly Undervalued). The stock has 7 warning signs investors should review.

Research & Development is the aggregate amount of research and development expenses during the year. Eisai Co's Research & Development for the three months ended in Mar. 2026 was €240 Mil. Its Research & Development for the trailing twelve months (TTM) ended in Mar. 2026 was €899 Mil.

Eisai Co  (STU:EII) Research & Development Explanation

If competitive advantage is created by a patent or tech advantage, at some point it will disappear.

High R&D usually dictates high SG&A which threatens the competitive advantage.

Eisai Co Research & Development Related Terms

Eisai Co Research & Development Historical Data

* Premium members only.

The historical data trend for Eisai Co's Research & Development 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 Research & Development Chart

Eisai Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Research & Development
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1,315.07 1,208.86 1,037.92 1,065.10 864.89

Eisai Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Research & Development 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 287.38 232.78 211.68 214.68 239.52
STU:EII
74GF Score
Eisai Co Ltd STU:EII
Research & Development is just one metric. See GF Score™, valuation, warning signs, and more.
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Eisai Co Research & Development Calculation

This is the expense the company spent on research and development.

Research & Development for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €899 Mil.

* 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 Research & Development →
What does a Research & Development of €899 Mil mean?
Eisai Co (STU:EII) has a Research & Development of €899 Mil as of Mar. 2026. Research and development expense is the total cost for research and development activities. View historical data on Eisai Co and its competitors.
Is Eisai Co's Research & Development too high?
Eisai Co's current Research & Development is €899 Mil. Overall, Eisai Co has a GF Score™ of 74/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Eisai Co's Research & Development compare to ZTS?
Eisai Co's Research & Development of €899 Mil can be compared against companies in the Drug Manufacturers industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Research & Development for a Drug Manufacturers company?
A good Research & Development depends on the Drug Manufacturers industry context. However, Research & Development 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 Research & Development mean?
A high Research & Development can signal that a stock is expensive relative to its fundamentals. Research and development expense is the total cost for research and development activities. View historical data on Eisai Co and its competitors. Eisai Co's current Research & Development is €899 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 (STU:EII) is currently considered Significantly Undervalued. The stock's GF Value™ is €30.90, compared to a current price of €21.11 — trading 31.7% below its estimated fair value. The current Research & Development is €899 Mil. Eisai Co's overall GF Score™ is 74/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Research & Development calculated?
Research & Development is calculated from a company's financial statements. For Eisai Co (STU:EII), the current Research & Development is €899 Mil 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 Eisai Co (STU:EII) Overvalued in 2026?

Based on GuruFocus' analysis, Eisai Co stock appears to be undervalued. The current stock price of €21.11 is trading 31.7% below its estimated GF Value™ of €30.90. GuruFocus considers Eisai Co to be Significantly Undervalued.

Key valuation signals for STU:EII:

  • Research & Development: €899 Mil
  • GF Value™: €30.90 vs. price of €21.11 (31.7% below fair value)
  • GF Score™: 74/100 with 7 warning signs

No single metric tells the full story. See the STU:EII 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.
74GF Score

Get the complete analysis for STU:EII

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

€21.11
Price
€30.90
GF Value