Pennon Group (FRA:3PN) Days Inventory: 319.69 (As of Mar. 2026) — 207% Above Median


FRA:3PN Pennon Group PLC FRA:3PN
81 GF Score
Price €5.56
GF Value €5.87
Valuation Fairly Valued
! 9 Warning Signs
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What is Pennon Group Days Inventory?

Pennon Group FRA:3PN -0.18% 81 Days Inventory is 319.69 as of Mar. 2026, which is 207% above its 10-year median of 104.13. GuruFocus rates FRA:3PN with a GF Score™ of 81/100 and a GF Value™ of €5.87 (Fairly Valued). The stock has 9 warning signs investors should review. Among 452 Utilities - Regulated companies, Pennon Group ranks worse than 90.49% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Pennon Group's Average Total Inventories for the six months ended in Mar. 2026 was €16 Mil. Pennon Group's Cost of Goods Sold for the six months ended in Mar. 2026 was €9 Mil. Hence, Pennon Group's Days Inventory for the six months ended in Mar. 2026 was 319.69.

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

FRA:3PN' s Days Inventory Range Over the Past 10 Years
Min: 66.03   Med: 104.13   Max: 649.7
Current: 125.32

During the past 13 years, Pennon Group's highest Days Inventory was 649.70. The lowest was 66.03. And the median was 104.13.

FRA:3PN's Days Inventory is ranked worse than
90.49% of 452 companies
in the Utilities - Regulated industry
Industry Median: 22.52 vs FRA:3PN: 125.32

Pennon Group's Days Inventory increased from Mar. 2025 (92.56) to Mar. 2026 (319.69). It might indicate that Pennon Group's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Pennon Group's Inventory Turnover for the six months ended in Mar. 2026 was 0.57.

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. Pennon Group's Inventory-to-Revenue for the six months ended in Mar. 2026 was 0.02.


Pennon Group  (FRA:3PN) 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.

Pennon Group's Inventory Turnover for the six 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.

Pennon Group's Inventory to Revenue for the six 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.


Pennon Group Days Inventory Related Terms


Pennon Group Days Inventory Historical Data

* Premium members only.

The historical data trend for Pennon Group'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.

Pennon Group Days Inventory Chart

Pennon Group 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 103.28 98.46 111.73 90.41 130.32

Pennon Group Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 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 111.74 89.35 92.56 75.48 319.69

FRA:3PN vs AWK, WTRG, AWR: Days Inventory Comparison

For the Utilities - Regulated Water subindustry, Pennon Group'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.


Pennon Group Days Inventory vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Pennon Group's Days Inventory distribution charts can be found below:

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


FRA:3PN
81GF Score
Pennon Group PLC FRA:3PN
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Pennon Group Days Inventory Calculation

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

Pennon Group'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
=( (15.297 + 17.646) / 2 ) / 46.134*365
=16.4715 / 46.134*365
=130.32

Pennon Group'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: Sep. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (15.083 + 17.646) / 2 ) / 9.342*365 / 2
=16.3645 / 9.342*365 / 2
=319.69

* 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 319.69 mean?
Pennon Group (FRA:3PN) has a Days Inventory of 319.69 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Pennon Group and its competitors. This is 207% above median its historical median of 104.13. Over the past decade, Pennon Group's Days Inventory has ranged from 66.03 to 649.70. According to the industry distribution chart, Pennon Group ranks #409 out of 452 companies in the Utilities - Regulated industry, placing it in the top 90.5%.
Is Pennon Group's Days Inventory too high?
Pennon Group's current Days Inventory of 319.69 is 207% above median its 10-year median of 104.13. Over the past 10 years, this metric has ranged from a low of 66.03 to a high of 649.70. The Utilities - Regulated industry median Days Inventory is 22.52. Pennon Group's value of 319.69 is 1319.6% above this industry median. Based on the distribution chart, Pennon Group ranks #409 out of 452 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Pennon Group has a GF Score™ of 81/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Pennon Group's Days Inventory compare to AWK and WTRG?
According to the Utilities - Regulated industry distribution chart, Pennon Group ranks #409 out of 452 companies for Days Inventory. This places Pennon Group in the lower half of its industry. The industry median Days Inventory is 22.52. Pennon Group's value of 319.69 is 1319.6% above this benchmark. Historically, Pennon Group's own Days Inventory has ranged from 66.03 to 649.70 over the past decade. While the company's 10-year median is 104.13 vs. the industry median of 22.52, Pennon Group 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 an Utilities - Regulated company?
The median Days Inventory among Utilities - Regulated companies is 22.52, based on 452 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. Pennon Group's current Days Inventory of 319.69 is 1319.6% 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 Pennon Group and its competitors. For the Utilities - Regulated industry, the median Days Inventory is 22.52 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Pennon Group's current Days Inventory is 319.69, which is 207% above median its own 10-year median of 104.13. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Pennon Group stock overvalued right now?
Based on GuruFocus' analysis, Pennon Group (FRA:3PN) is currently considered Fairly Valued. The stock's GF Value™ is €5.87, compared to a current price of €5.56 — trading 5.4% below its estimated fair value. The current Days Inventory is 319.69, which is 207% above median its 10-year median of 104.13 and 1319.6% above the Utilities - Regulated industry median of 22.52. Pennon Group's overall GF Score™ is 81/100 with 9 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 Pennon Group (FRA:3PN), the current Days Inventory is 319.69 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 Pennon Group (FRA:3PN) Overvalued in 2026?

Based on GuruFocus' analysis, Pennon Group stock appears to be undervalued. The current stock price of €5.56 is trading 5.4% below its estimated GF Value™ of €5.87. GuruFocus considers Pennon Group to be Fairly Valued.

Key valuation signals for FRA:3PN:

  • Days Inventory: 319.69 (207% above median its 10-year median of 104.13)
  • GF Value™: €5.87 vs. price of €5.56 (5.4% below fair value)
  • GF Score™: 81/100 with 9 warning signs
  • Industry Position: 1319.6% above the Utilities - Regulated median (#409 of 452)

No single metric tells the full story. See the FRA:3PN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Pennon Group Business Description

Address Rydon Lane, Peninsula House, Exeter, Devon, GBR, EX2 7HR
Pennon Group PLC is a British water and environmental utility infrastructure company that operates mainly in the United Kingdom. It has smaller operations in the European Union, China, and other countries. The company operates through Water, Non-household retail, and other segments. The water business comprises the regulated water and wastewater services undertaken by South West Water. The non-household retail business comprises the services provided by Pennon Water Services in the non-household water and wastewater retail market. The majority of revenue is derived from the water division.
81GF Score

Get the complete analysis for FRA:3PN

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

€5.56
Price
€5.87
GF Value