ESALF (Eisai Co) Days Inventory: 443.43 (As of Mar. 2026) — 144% Above Median


ESALF Eisai Co Ltd ESALF
74 GF Score
Price $25.00
GF Value $35.06
Valuation Modestly Undervalued
! 7 Warning Signs
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What is Eisai Co Days Inventory?

Eisai Co ESALF 74 Days Inventory is 443.43 as of Mar. 2026, which is 144% above its 10-year median of 181.44. GuruFocus rates ESALF with a GF Score™ of 74/100 and a GF Value™ of $35.06 (Modestly Undervalued). The stock has 7 warning signs investors should review. Among 919 Drug Manufacturers companies, Eisai Co ranks worse than 94.23% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Eisai Co's Average Total Inventories for the three months ended in Mar. 2026 was $1,593 Mil. Eisai Co's Cost of Goods Sold for the three months ended in Mar. 2026 was $328 Mil. Hence, Eisai Co's Days Inventory for the three months ended in Mar. 2026 was 443.43.

The historical rank and industry rank for Eisai Co's Days Inventory or its related term are showing as below:

ESALF' s Days Inventory Range Over the Past 10 Years
Min: 138.8   Med: 181.44   Max: 451.85
Current: 450.81

During the past 13 years, Eisai Co's highest Days Inventory was 451.85. The lowest was 138.80. And the median was 181.44.

ESALF's Days Inventory is ranked worse than
94.23% of 919 companies
in the Drug Manufacturers industry
Industry Median: 162.83 vs ESALF: 450.81

Eisai Co's Days Inventory declined from Mar. 2025 (467.05) to Mar. 2026 (443.43).

Inventory Turnover measures how fast the company turns over its inventory within a year. Eisai Co's Inventory Turnover for the three months ended in Mar. 2026 was 0.21.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. Eisai Co's Inventory-to-Revenue for the three months ended in Mar. 2026 was 1.23.


Eisai Co  (OTCPK:ESALF) Days Inventory Explanation

Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:

1. Inventory Turnover measures how fast the company turns over its inventory within a year.

Eisai Co's Inventory Turnover for the three months ended in Mar. 2026 is calculated as

2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

Eisai Co's Inventory to Revenue for the three months ended in Mar. 2026 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.


Be Aware

A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.


Eisai Co Days Inventory Related Terms


Eisai Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Eisai Co's Days Inventory 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 Days Inventory Chart

Eisai Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 200.28 258.63 390.11 421.28 465.16

Eisai Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Days Inventory 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 467.05 467.60 470.14 440.31 443.43

ESALF vs ZTS: Days Inventory Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, Eisai Co's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Drug Manufacturers Industry

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

* The bar in red indicates where Eisai Co's Days Inventory falls into.


ESALF
74GF Score
Eisai Co Ltd ESALF
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Eisai Co Days Inventory Calculation

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

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

Days Inventory (A: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Mar. 2025 ) + Total Inventories (A: Mar. 2026 )) / count ) / Cost of Goods Sold (A: Mar. 2026 )*Days in Period
=( (1448.467 + 1623.031) / 2 ) / 1205.066*365
=1535.749 / 1205.066*365
=465.16

Eisai Co's Days Inventory for the quarter that ended in Mar. 2026 is calculated as:

Days Inventory (Q: Mar. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (1562.749 + 1623.031) / 2 ) / 327.792*365 / 4
=1592.89 / 327.792*365 / 4
=443.43

* 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 Days Inventory →
What does a Days Inventory of 443.43 mean?
Eisai Co (ESALF) has a Days Inventory of 443.43 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Eisai Co and its competitors. This is 144% above median its historical median of 181.44. Over the past decade, Eisai Co's Days Inventory has ranged from 138.80 to 451.85. According to the industry distribution chart, Eisai Co ranks #866 out of 919 companies in the Drug Manufacturers industry, placing it in the top 94.2%.
Is Eisai Co's Days Inventory too high?
Eisai Co's current Days Inventory of 443.43 is 144% above median its 10-year median of 181.44. Over the past 10 years, this metric has ranged from a low of 138.80 to a high of 451.85. The Drug Manufacturers industry median Days Inventory is 162.83. Eisai Co's value of 443.43 is 172.3% above this industry median. Based on the distribution chart, Eisai Co ranks #866 out of 919 companies in the Drug Manufacturers industry, which is in the bottom quartile relative to peers. Overall, Eisai Co has a GF Score™ of 74/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Eisai Co's Days Inventory compare to ZTS?
According to the Drug Manufacturers industry distribution chart, Eisai Co ranks #866 out of 919 companies for Days Inventory. This places Eisai Co in the lower half of its industry. The industry median Days Inventory is 162.83. Eisai Co's value of 443.43 is 172.3% above this benchmark. Historically, Eisai Co's own Days Inventory has ranged from 138.80 to 451.85 over the past decade. While the company's 10-year median is 181.44 vs. the industry median of 162.83, Eisai Co has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Days Inventory for a Drug Manufacturers company?
The median Days Inventory among Drug Manufacturers companies is 162.83, based on 919 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Eisai Co's current Days Inventory of 443.43 is 172.3% 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Eisai Co and its competitors. For the Drug Manufacturers industry, the median Days Inventory is 162.83 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Eisai Co's current Days Inventory is 443.43, which is 144% above median its own 10-year median of 181.44. 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 (ESALF) is currently considered Modestly Undervalued. The stock's GF Value™ is $35.06, compared to a current price of $25.00 — trading 28.7% below its estimated fair value. The current Days Inventory is 443.43, which is 144% above median its 10-year median of 181.44 and 172.3% above the Drug Manufacturers industry median of 162.83. 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 Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Eisai Co (ESALF), the current Days Inventory is 443.43 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 (ESALF) Overvalued in 2026?

Based on GuruFocus' analysis, Eisai Co stock appears to be undervalued. The current stock price of $25.00 is trading 28.7% below its estimated GF Value™ of $35.06. GuruFocus considers Eisai Co to be Modestly Undervalued.

Key valuation signals for ESALF:

  • Days Inventory: 443.43 (144% above median its 10-year median of 181.44)
  • GF Value™: $35.06 vs. price of $25.00 (28.7% below fair value)
  • GF Score™: 74/100 with 7 warning signs
  • Industry Position: 172.3% above the Drug Manufacturers median (#866 of 919)

No single metric tells the full story. See the ESALF 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 ESALF

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

$25.00
Price
$35.06
GF Value