Heidelberg Materials AGHDLMY 80 Days Inventory is 130.09 as of Dec. 2025, which is 23% above its 10-year median of 105.54. GuruFocus rates HDLMY with a GF Score™ of 80/100 and a GF Value™ of $24.70 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 391 Building Materials companies, Heidelberg Materials AG ranks worse than 69.05% on this metric.
The historical rank and industry rank for Heidelberg Materials AG's Days Inventory or its related term are showing as below:
HDLMY'
s Days Inventory Range Over the Past 10 Years
Min: 95.92 Med: 105.54 Max: 132.65
Current: 131.86
During the past 13 years, Heidelberg Materials AG's highest Days Inventory was 132.65. The lowest was 95.92. And the median was 105.54.
HDLMY's Days Inventory is ranked worse than 69.05% of 391
companies
in the Building Materials industry
Industry Median: 90.06
vs HDLMY: 131.86
Heidelberg Materials AG's Days Inventory
declined
from Dec. 2024 (132.07) to Dec. 2025 (130.09).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Heidelberg Materials AG's Inventory Turnover for the
six
months ended in Dec. 2025 was 1.40.
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.
Heidelberg Materials AG's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 0.25.
Heidelberg Materials AG (OTCPK:HDLMY) 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.
Heidelberg Materials AG'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.
Heidelberg Materials AG'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.
Heidelberg Materials AG Days Inventory Related Terms
Heidelberg Materials AG Days Inventory Historical Data
* 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.
For the Building Materials subindustry, Heidelberg Materials AG'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.
Heidelberg Materials AG Days Inventory vs Building Materials Industry
For the Building Materials industry and Basic Materials sector, Heidelberg Materials AG's Days Inventory distribution charts can be found below:
* The bar in red indicates where Heidelberg Materials AG'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.
Heidelberg Materials AG (HDLMY) has a Days Inventory of 130.09 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Heidelberg Materials AG and its competitors. This is 23% above median its historical median of 105.54. Over the past decade, Heidelberg Materials AG's Days Inventory has ranged from 95.92 to 132.65. According to the industry distribution chart, Heidelberg Materials AG ranks #270 out of 391 companies in the Building Materials industry, placing it in the top 69.1%.
Is Heidelberg Materials AG's Days Inventory too high?
Heidelberg Materials AG's current Days Inventory of 130.09 is 23% above median its 10-year median of 105.54. Over the past 10 years, this metric has ranged from a low of 95.92 to a high of 132.65. The Building Materials industry median Days Inventory is 90.06. Heidelberg Materials AG's value of 130.09 is 44.4% above this industry median. Based on the distribution chart, Heidelberg Materials AG ranks #270 out of 391 companies in the Building Materials industry, which is below the industry midpoint. Overall, Heidelberg Materials AG has a GF Score™ of 80/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Heidelberg Materials AG's Days Inventory compare to CRH and VMC?
According to the Building Materials industry distribution chart, Heidelberg Materials AG ranks #270 out of 391 companies for Days Inventory. This places Heidelberg Materials AG in the lower half of its industry. The industry median Days Inventory is 90.06. Heidelberg Materials AG's value of 130.09 is 44.4% above this benchmark. Historically, Heidelberg Materials AG's own Days Inventory has ranged from 95.92 to 132.65 over the past decade. While the company's 10-year median is 105.54 vs. the industry median of 90.06, Heidelberg Materials AG 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 Building Materials company?
The median Days Inventory among Building Materials companies is 90.06, based on 391 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. Heidelberg Materials AG's current Days Inventory of 130.09 is 44.4% 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 Heidelberg Materials AG and its competitors. For the Building Materials industry, the median Days Inventory is 90.06 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Heidelberg Materials AG's current Days Inventory is 130.09, which is 23% above median its own 10-year median of 105.54. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Heidelberg Materials AG stock overvalued right now?
Based on GuruFocus' analysis, Heidelberg Materials AG (HDLMY) is currently considered Significantly Overvalued. The stock's GF Value™ is $24.70, compared to a current price of $38.10 — trading 54.3% above its estimated fair value. The current Days Inventory is 130.09, which is 23% above median its 10-year median of 105.54 and 44.4% above the Building Materials industry median of 90.06. Heidelberg Materials AG's overall GF Score™ is 80/100 with 4 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 Heidelberg Materials AG (HDLMY), the current Days Inventory is 130.09 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 Heidelberg Materials AG (HDLMY) Overvalued in 2026?
Based on GuruFocus' analysis, Heidelberg Materials AG stock appears to be overvalued.
The current stock price of $38.10 is trading 54.3% above its estimated GF Value™ of $24.70.
GuruFocus considers Heidelberg Materials AG to be Significantly Overvalued.
Key valuation signals for HDLMY:
Days Inventory: 130.09 (23% above median its 10-year median of 105.54)
GF Value™: $24.70 vs. price of $38.10 (54.3% above fair value)
Industry Position: 44.4% above the Building Materials median (#270 of 391)
No single metric tells the full story. See the HDLMY stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Heidelberg Materials is one of the world's largest building materials companies, with operations in 60 countries. Its core activities include the production of cement and aggregates, which are used to construct houses, infrastructure, and commercial facilities. The sale of cement and aggregates accounts for the majority of group revenue and profits. Europe is the company's largest market contributing nearly half of group sales. Heidelberg Materials is listed in Germany and has 55,000 employees.
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