CellSeed (TSE:7776) Days Inventory: 2,413.16 (As of Jun. 2026) — 741% Above Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TSE:7776 CellSeed Inc TSE:7776
51 GF Score
Price 円236.00
GF Value 円152.89
Valuation Significantly Overvalued
! 5 Warning Signs
View Full Analysis

What is CellSeed Days Inventory?

CellSeed TSE:7776 +2.16% 51 Days Inventory is 2,413.16 as of Jun. 2026, which is 741% above its 10-year median of 287.10. GuruFocus rates TSE:7776 with a GF Score™ of 51/100 and a GF Value™ of 円152.89 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 641 Biotechnology companies, CellSeed ranks worse than 90.17% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). CellSeed's Average Total Inventories for the three months ended in Jun. 2026 was 円87.56 Mil. CellSeed's Cost of Goods Sold for the three months ended in Jun. 2026 was 円3.31 Mil. Hence, CellSeed's Days Inventory for the three months ended in Jun. 2026 was 2,413.16.

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

TSE:7776' s Days Inventory Range Over the Past 10 Years
Min: 198.05   Med: 287.1   Max: 920.29
Current: 920.29

During the past 13 years, CellSeed's highest Days Inventory was 920.29. The lowest was 198.05. And the median was 287.10.

TSE:7776's Days Inventory is ranked worse than
90.17% of 641 companies
in the Biotechnology industry
Industry Median: 183.69 vs TSE:7776: 920.29

CellSeed's Days Inventory increased from Jun. 2025 (818.82) to Jun. 2026 (2,413.16). It might indicate that CellSeed's sales slowed down.

Warning Sign:

If a company builds up inventory, it may mean it is having difficulties selling its goods.

Inventory Turnover measures how fast the company turns over its inventory within a year. CellSeed's Inventory Turnover for the three months ended in Jun. 2026 was 0.04.

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. CellSeed's Inventory-to-Revenue for the three months ended in Jun. 2026 was 12.22.


CellSeed  (TSE:7776) 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.

CellSeed's Inventory Turnover for the three months ended in Jun. 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.

CellSeed's Inventory to Revenue for the three months ended in Jun. 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.


CellSeed Days Inventory Related Terms


CellSeed Days Inventory Historical Data

* Premium members only.

The historical data trend for CellSeed'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.

CellSeed Days Inventory Chart

CellSeed Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 198.05 272.61 225.12 202.27 556.31

CellSeed Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 818.82 416.36 727.09 1,225.72 2,413.16

TSE:7776 vs VRTX, REGN, RVMD: Days Inventory Comparison

For the Biotechnology subindustry, CellSeed'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.


CellSeed Days Inventory vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, CellSeed's Days Inventory distribution charts can be found below:

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


TSE:7776
51GF Score
CellSeed Inc TSE:7776
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

CellSeed Days Inventory Calculation

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

CellSeed's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (45.989 + 78.773) / 2 ) / 40.929*365
=62.381 / 40.929*365
=556.31

CellSeed's Days Inventory for the quarter that ended in Jun. 2026 is calculated as:

Days Inventory (Q: Jun. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Mar. 2026 ) + Total Inventories (Q: Jun. 2026 )) / count ) / Cost of Goods Sold (Q: Jun. 2026 )*Days in Period
=( (84.217 + 90.906) / 2 ) / 3.311*365 / 4
=87.5615 / 3.311*365 / 4
=2,413.16

* 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 2,413.16 mean?
CellSeed (TSE:7776) has a Days Inventory of 2,413.16 as of Jun. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on CellSeed and its competitors. This is 741% above median its historical median of 287.10. Over the past decade, CellSeed's Days Inventory has ranged from 198.05 to 920.29. According to the industry distribution chart, CellSeed ranks #578 out of 641 companies in the Biotechnology industry, placing it in the top 90.2%.
Is CellSeed's Days Inventory too high?
CellSeed's current Days Inventory of 2,413.16 is 741% above median its 10-year median of 287.10. Over the past 10 years, this metric has ranged from a low of 198.05 to a high of 920.29. The Biotechnology industry median Days Inventory is 183.69. CellSeed's value of 2,413.16 is 1213.7% above this industry median. Based on the distribution chart, CellSeed ranks #578 out of 641 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, CellSeed has a GF Score™ of 51/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does CellSeed's Days Inventory compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, CellSeed ranks #578 out of 641 companies for Days Inventory. This places CellSeed in the lower half of its industry. The industry median Days Inventory is 183.69. CellSeed's value of 2,413.16 is 1213.7% above this benchmark. Historically, CellSeed's own Days Inventory has ranged from 198.05 to 920.29 over the past decade. While the company's 10-year median is 287.10 vs. the industry median of 183.69, CellSeed 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 Biotechnology company?
The median Days Inventory among Biotechnology companies is 183.69, based on 641 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. CellSeed's current Days Inventory of 2,413.16 is 1213.7% 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 CellSeed and its competitors. For the Biotechnology industry, the median Days Inventory is 183.69 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. CellSeed's current Days Inventory is 2,413.16, which is 741% above median its own 10-year median of 287.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is CellSeed stock overvalued right now?
Based on GuruFocus' analysis, CellSeed (TSE:7776) is currently considered Significantly Overvalued. The stock's GF Value™ is 円152.89, compared to a current price of 円236.00 — trading 54.4% above its estimated fair value. The current Days Inventory is 2,413.16, which is 741% above median its 10-year median of 287.10 and 1213.7% above the Biotechnology industry median of 183.69. CellSeed's overall GF Score™ is 51/100 with 5 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 CellSeed (TSE:7776), the current Days Inventory is 2,413.16 as of Jun. 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 CellSeed (TSE:7776) Overvalued in 2026?

Based on GuruFocus' analysis, CellSeed stock appears to be overvalued. The current stock price of 円236.00 is trading 54.4% above its estimated GF Value™ of 円152.89. GuruFocus considers CellSeed to be Significantly Overvalued.

Key valuation signals for TSE:7776:

  • Days Inventory: 2,413.16 (741% above median its 10-year median of 287.10)
  • GF Value™: 円152.89 vs. price of 円236.00 (54.4% above fair value)
  • GF Score™: 51/100 with 5 warning signs
  • Industry Position: 1213.7% above the Biotechnology median (#578 of 641)

No single metric tells the full story. See the TSE:7776 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


CellSeed Business Description

Address 2-5-10 Aomi, Telecom Center Building, 15th Floor (East Wing, Koto-ku, Tokyo, JPN, 135-0064
CellSeed Inc is a Japanese biotechnology company. The company is involved in the research, development, marketing, and sale of cell-sheet regenerative medicines, such as epithelial cell sheets for corneal and esophageal regeneration; regenerated cardiac patches to treat heart diseases; cell sheets for periodontal tissue regeneration; and regenerated cartilage sheets for the treatment of osteoarthritis.
51GF Score

Get the complete analysis for TSE:7776

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

円236.00
Price
円152.89
GF Value