Immuno-Biological Laboratories Co (TSE:4570) Days Inventory: 396.10 (As of Mar. 2026) — Near 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:4570 Immuno-Biological Laboratories Co Ltd TSE:4570
54 GF Score
Price 円1,110.00
GF Value 円589.10
Valuation Significantly Overvalued
! 2 Warning Signs
View Full Analysis

What is Immuno-Biological Laboratories Co Days Inventory?

Immuno-Biological Laboratories Co TSE:4570 +2.02% 54 Days Inventory is 396.10 as of Mar. 2026, which is 6% above its 10-year median of 373.47. GuruFocus rates TSE:4570 with a GF Score™ of 54/100 and a GF Value™ of 円589.10 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 641 Biotechnology companies, Immuno-Biological Laboratories Co ranks worse than 80.97% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Immuno-Biological Laboratories Co's Average Total Inventories for the three months ended in Mar. 2026 was 円380 Mil. Immuno-Biological Laboratories Co's Cost of Goods Sold for the three months ended in Mar. 2026 was 円88 Mil. Hence, Immuno-Biological Laboratories Co's Days Inventory for the three months ended in Mar. 2026 was 396.10.

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

TSE:4570' s Days Inventory Range Over the Past 10 Years
Min: 305.09   Med: 373.47   Max: 467.68
Current: 451.99

During the past 13 years, Immuno-Biological Laboratories Co's highest Days Inventory was 467.68. The lowest was 305.09. And the median was 373.47.

TSE:4570's Days Inventory is ranked worse than
80.97% of 641 companies
in the Biotechnology industry
Industry Median: 183.69 vs TSE:4570: 451.99

Immuno-Biological Laboratories Co's Days Inventory increased from Mar. 2025 (0.00) to Mar. 2026 (396.10). It might indicate that Immuno-Biological Laboratories Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Immuno-Biological Laboratories Co's Inventory Turnover for the three months ended in Mar. 2026 was 0.23.

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. Immuno-Biological Laboratories Co's Inventory-to-Revenue for the three months ended in Mar. 2026 was 1.45.


Immuno-Biological Laboratories Co  (TSE:4570) 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.

Immuno-Biological Laboratories 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.

Immuno-Biological Laboratories 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.


Immuno-Biological Laboratories Co Days Inventory Related Terms


Immuno-Biological Laboratories Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Immuno-Biological Laboratories 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.

Immuno-Biological Laboratories Co Days Inventory Chart

Immuno-Biological Laboratories 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 429.54 439.10 390.06 348.40 427.18

Immuno-Biological Laboratories Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 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 510.57 370.86 506.18 396.10 572.34

TSE:4570 vs VRTX, REGN, RVMD: Days Inventory Comparison

For the Biotechnology subindustry, Immuno-Biological Laboratories 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.


Immuno-Biological Laboratories Co Days Inventory vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Immuno-Biological Laboratories Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Immuno-Biological Laboratories Co's Days Inventory falls into.


TSE:4570
54GF Score
Immuno-Biological Laboratories Co Ltd TSE:4570
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Immuno-Biological Laboratories Co Days Inventory Calculation

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

Immuno-Biological Laboratories 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
=( (317.754 + 379.724) / 2 ) / 297.975*365
=348.739 / 297.975*365
=427.18

Immuno-Biological Laboratories 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
=( (380.297 + 379.724) / 2 ) / 87.544*365 / 4
=380.0105 / 87.544*365 / 4
=396.10

* 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 396.10 mean?
Immuno-Biological Laboratories Co (TSE:4570) has a Days Inventory of 396.10 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Immuno-Biological Laboratories Co and its competitors. This is near median its historical median of 373.47. Over the past decade, Immuno-Biological Laboratories Co's Days Inventory has ranged from 305.09 to 467.68. According to the industry distribution chart, Immuno-Biological Laboratories Co ranks #519 out of 641 companies in the Biotechnology industry, placing it in the top 81%.
Is Immuno-Biological Laboratories Co's Days Inventory too high?
Immuno-Biological Laboratories Co's current Days Inventory of 396.10 is near median its 10-year median of 373.47. Over the past 10 years, this metric has ranged from a low of 305.09 to a high of 467.68. The Biotechnology industry median Days Inventory is 183.69. Immuno-Biological Laboratories Co's value of 396.10 is 115.6% above this industry median. Based on the distribution chart, Immuno-Biological Laboratories Co ranks #519 out of 641 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Immuno-Biological Laboratories Co has a GF Score™ of 54/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Immuno-Biological Laboratories Co's Days Inventory compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Immuno-Biological Laboratories Co ranks #519 out of 641 companies for Days Inventory. This places Immuno-Biological Laboratories Co in the lower half of its industry. The industry median Days Inventory is 183.69. Immuno-Biological Laboratories Co's value of 396.10 is 115.6% above this benchmark. Historically, Immuno-Biological Laboratories Co's own Days Inventory has ranged from 305.09 to 467.68 over the past decade. While the company's 10-year median is 373.47 vs. the industry median of 183.69, Immuno-Biological Laboratories 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 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. Immuno-Biological Laboratories Co's current Days Inventory of 396.10 is 115.6% 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 Immuno-Biological Laboratories Co 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. Immuno-Biological Laboratories Co's current Days Inventory is 396.10, which is near median its own 10-year median of 373.47. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Immuno-Biological Laboratories Co stock overvalued right now?
Based on GuruFocus' analysis, Immuno-Biological Laboratories Co (TSE:4570) is currently considered Significantly Overvalued. The stock's GF Value™ is 円589.10, compared to a current price of 円1,110.00 — trading 88.4% above its estimated fair value. The current Days Inventory is 396.10, which is near median its 10-year median of 373.47 and 115.6% above the Biotechnology industry median of 183.69. Immuno-Biological Laboratories Co's overall GF Score™ is 54/100 with 2 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 Immuno-Biological Laboratories Co (TSE:4570), the current Days Inventory is 396.10 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 Immuno-Biological Laboratories Co (TSE:4570) Overvalued in 2026?

Based on GuruFocus' analysis, Immuno-Biological Laboratories Co stock appears to be overvalued. The current stock price of 円1,110.00 is trading 88.4% above its estimated GF Value™ of 円589.10. GuruFocus considers Immuno-Biological Laboratories Co to be Significantly Overvalued.

Key valuation signals for TSE:4570:

  • Days Inventory: 396.10 (near median its 10-year median of 373.47)
  • GF Value™: 円589.10 vs. price of 円1,110.00 (88.4% above fair value)
  • GF Score™: 54/100 with 2 warning signs
  • Industry Position: 115.6% above the Biotechnology median (#519 of 641)

No single metric tells the full story. See the TSE:4570 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Immuno-Biological Laboratories Co Business Description

Address 1091-1 Naka Aza-Higashida, Gunma, Fujioka, JPN, 375-0005
Immuno-Biological Laboratories Co Ltd focuses on research and development. It researches, develops, manufacture and supplies various immunological research reagents, and customized services. It is engaged in research and development of materials used in diagnostic products and valuable seeds and technology for protein production using transgenic silkworm cocoons, which make it possible to create valuable proteins as well as antibodies. It works on clinical reagents for cancer research. Its research scientists are producing inflammatory cytokines, growth factors & antibodies for use against these cancers.
54GF Score

Get the complete analysis for TSE:4570

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

円1,110.00
Price
円589.10
GF Value