4basebioLSE:4BB 61 Days Inventory is 439.93 as of Dec. 2025, which is 3% above its 10-year median of 425.23. GuruFocus rates LSE:4BB with a GF Score™ of 61/100 and a GF Value™ of £28.37 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 636 Biotechnology companies, 4basebio ranks worse than 64.31% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). 4basebio's Average Total Inventories for the
six
months ended in Dec. 2025 was £0.59 Mil. 4basebio's Cost of Goods Sold for the
six
months ended in Dec. 2025 was £0.25 Mil.
Hence, 4basebio's Days Inventory for the
six
months ended in Dec. 2025 was 439.93.
The historical rank and industry rank for 4basebio's Days Inventory or its related term are showing as below:
LSE:4BB'
s Days Inventory Range Over the Past 10 Years
Min: 161.87 Med: 425.23 Max: 1818.71
Current: 263.98
During the past 7 years, 4basebio's highest Days Inventory was 1818.71. The lowest was 161.87. And the median was 425.23.
LSE:4BB's Days Inventory is ranked worse than 64.31% of 636
companies
in the Biotechnology industry
Industry Median: 183.195
vs LSE:4BB: 263.98
4basebio's Days Inventory
increased
from Dec. 2024 (318.29) to Dec. 2025 (439.93).
It might indicate that 4basebio's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
4basebio's Inventory Turnover for the
six
months ended in Dec. 2025 was 0.41.
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.
4basebio's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 1.14.
4basebio (LSE:4BB) 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.
4basebio's Inventory Turnover for the
six
months ended in Dec. 2025 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.
4basebio's Inventory to Revenue for the
six
months ended in Dec. 2025 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.
4basebio Days Inventory Related Terms
4basebio Days Inventory Historical Data
* Premium members only.
The historical data trend for 4basebio'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.
LSE:4BB vs VRTX, REGN, ALNY: Days Inventory Comparison
For the Biotechnology subindustry, 4basebio'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.
4basebio Days Inventory vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, 4basebio's Days Inventory distribution charts can be found below:
* The bar in red indicates where 4basebio's Days Inventory falls into.
* 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.
4basebio (LSE:4BB) has a Days Inventory of 439.93 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on 4basebio and its competitors. This is near median its historical median of 425.23. Over the past decade, 4basebio's Days Inventory has ranged from 161.87 to 1,818.71. According to the industry distribution chart, 4basebio ranks #409 out of 636 companies in the Biotechnology industry, placing it in the top 64.3%.
Is 4basebio's Days Inventory too high?
4basebio's current Days Inventory of 439.93 is near median its 10-year median of 425.23. Over the past 10 years, this metric has ranged from a low of 161.87 to a high of 1,818.71. The Biotechnology industry median Days Inventory is 183.20. 4basebio's value of 439.93 is 140.1% above this industry median. Based on the distribution chart, 4basebio ranks #409 out of 636 companies in the Biotechnology industry, which is below the industry midpoint. Overall, 4basebio has a GF Score™ of 61/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does 4basebio's Days Inventory compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, 4basebio ranks #409 out of 636 companies for Days Inventory. This places 4basebio in the lower half of its industry. The industry median Days Inventory is 183.20. 4basebio's value of 439.93 is 140.1% above this benchmark. Historically, 4basebio's own Days Inventory has ranged from 161.87 to 1,818.71 over the past decade. While the company's 10-year median is 425.23 vs. the industry median of 183.20, 4basebio 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 183.20, based on 636 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. 4basebio's current Days Inventory of 439.93 is 140.1% 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 4basebio and its competitors. For the Biotechnology industry, the median Days Inventory is 183.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. 4basebio's current Days Inventory is 439.93, which is near median its own 10-year median of 425.23. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is 4basebio stock overvalued right now?
Based on GuruFocus' analysis, 4basebio (LSE:4BB) is currently considered Possible Value Trap. The stock's GF Value™ is £28.37, compared to a current price of £5.25 — trading 81.5% below its estimated fair value. The current Days Inventory is 439.93, which is near median its 10-year median of 425.23 and 140.1% above the Biotechnology industry median of 183.20. 4basebio's overall GF Score™ is 61/100 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 4basebio (LSE:4BB), the current Days Inventory is 439.93 as of Dec. 2025. 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 4basebio (LSE:4BB) Overvalued in 2026?
Based on GuruFocus' analysis, 4basebio stock appears to be undervalued.
The current stock price of £5.25 is trading 81.5% below its estimated GF Value™ of £28.37.
GuruFocus considers 4basebio to be Possible Value Trap.
Key valuation signals for LSE:4BB:
Days Inventory: 439.93 (near median its 10-year median of 425.23)
GF Value™: £28.37 vs. price of £5.25 (81.5% below fair value)
Industry Position: 140.1% above the Biotechnology median (#409 of 636)
No single metric tells the full story. See the LSE:4BB stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
4basebio PLC is a life sciences group focused on therapeutic DNA for gene therapies and DNA vaccines and providing solutions for effectively and safely delivering these DNA-based products to patients. The company operates across three geographic segments: Europe, the United States, and the Rest of the World, with the majority of its revenue generated from the United States.
61GF Score
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