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.
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.
Invinity Energy Systems's change in inventory for the quarter that ended in Dec. 2025 was £7.44 Mil. It means Invinity Energy Systems's inventory
declined by £7.44 Mil
from Jun. 2025 to Dec. 2025 .
Invinity Energy Systems's change in inventory for the fiscal year that ended in Dec. 2025 was £2.99 Mil. It means Invinity Energy Systems's inventory
declined by £2.99 Mil
from Dec. 2024 to Dec. 2025 .
Days Inventory indicates the number of days of goods in sales that a company has in the inventory.
Invinity Energy Systems's Days Inventory for the quarter that ended in Dec. 2025 was 132.56.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Invinity Energy Systems's Inventory Turnover for the quarter that ended in Dec. 2025 was 1.38.
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.
Invinity Energy Systems's Inventory-to-Revenue for the quarter that ended in Dec. 2025 was 0.81.
3. 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.
Invinity Energy Systems's Inventory to Revenue for the quarter that 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.
Invinity Energy Systems Change In Inventory Related Terms
Invinity Energy Systems Change In Inventory Historical Data
* Premium members only.
The historical data trend for Invinity Energy Systems's Change In 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.
Invinity Energy Systems Change In Inventory Calculation
Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.
Change In Inventory for the trailing twelve months (TTM) ended in Dec. 2025 adds up the semi-annually data reported by the company within the most recent 12 months, which was £2.99 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.
What does a Change In Inventory of £2.99 Mil mean?
Invinity Energy Systems (LSE:IES) has a Change In Inventory of £2.99 Mil as of Dec. 2025. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Invinity Energy Systems and its competitors.
Is Invinity Energy Systems' Change In Inventory too high?
Invinity Energy Systems' current Change In Inventory is £2.99 Mil. Overall, Invinity Energy Systems has a GF Score™ of 48/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Invinity Energy Systems' Change In Inventory compare to VRT and BE?
Invinity Energy Systems' Change In Inventory of £2.99 Mil can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Inventory for an Industrial Products company?
A good Change In Inventory depends on the Industrial Products industry context. However, Change In Inventory 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 Change In Inventory mean?
A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Invinity Energy Systems and its competitors. Invinity Energy Systems's current Change In Inventory is £2.99 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Invinity Energy Systems stock overvalued right now?
Based on GuruFocus' analysis, Invinity Energy Systems (LSE:IES) is currently considered Significantly Overvalued. The stock's GF Value™ is £0.09, compared to a current price of £0.22 — trading 144.4% above its estimated fair value. The current Change In Inventory is £2.99 Mil. Invinity Energy Systems' overall GF Score™ is 48/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Inventory calculated?
Change In Inventory is calculated from a company's financial statements. For Invinity Energy Systems (LSE:IES), the current Change In Inventory is £2.99 Mil 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 Invinity Energy Systems (LSE:IES) Overvalued in 2026?
Based on GuruFocus' analysis, Invinity Energy Systems stock appears to be overvalued.
The current stock price of £0.22 is trading 144.4% above its estimated GF Value™ of £0.09.
GuruFocus considers Invinity Energy Systems to be Significantly Overvalued.
Key valuation signals for LSE:IES:
Change In Inventory: £2.99 Mil
GF Value™: £0.09 vs. price of £0.22 (144.4% above fair value)
No single metric tells the full story. See the LSE:IES stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Invinity Energy Systems PLC operates in the manufacturing of vanadium flow battery systems and their related installation and other services. Its vanadium flow batteries are a form of heavy-duty, stationary energy storage, used in high-utilization applications such as being coupled with industrial-scale solar generation for distributed, low-carbon energy projects. The company's flow battery systems are ideal for commercial and industrial sites, grid network infrastructure projects, and off-grid applications, either standalone or alongside renewable energy such as solar PV. It generates the majority of its revenue from the sale of Battery systems and associated control systems.
48GF Score
Get the complete analysis for LSE:IES
Change In Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
LSE:IES has been successfully added to your 
