Builders FirstSourceMEX:BLDR 67 Days Inventory is 44.16 as of Mar. 2026, which is 12% above its 10-year median of 39.57. GuruFocus rates MEX:BLDR with a GF Score™ of 67/100 and a GF Value™ of MXN2,388.94 (Significantly Undervalued). The stock has 8 warning signs investors should review. Among 1,481 Construction companies, Builders FirstSource ranks better than 53.75% on this metric.
The historical rank and industry rank for Builders FirstSource's Days Inventory or its related term are showing as below:
MEX:BLDR'
s Days Inventory Range Over the Past 10 Years
Min: 31.33 Med: 39.57 Max: 43.7
Current: 42.99
During the past 13 years, Builders FirstSource's highest Days Inventory was 43.70. The lowest was 31.33. And the median was 39.57.
MEX:BLDR's Days Inventory is ranked better than 53.75% of 1481
companies
in the Construction industry
Industry Median: 50.36
vs MEX:BLDR: 42.99
Builders FirstSource's Days Inventory
declined
from Mar. 2025 (46.39) to Mar. 2026 (44.16).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Builders FirstSource's Inventory Turnover for the
three
months ended in Mar. 2026 was 2.07.
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.
Builders FirstSource's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.35.
Builders FirstSource (MEX:BLDR) 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.
Builders FirstSource'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.
Builders FirstSource'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.
Builders FirstSource Days Inventory Related Terms
Builders FirstSource Days Inventory Historical Data
* Premium members only.
The historical data trend for Builders FirstSource'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.
MEX:BLDR vs AAON, OC, SPXC: Days Inventory Comparison
For the Building Products & Equipment subindustry, Builders FirstSource'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.
Builders FirstSource Days Inventory vs Construction Industry
For the Construction industry and Industrials sector, Builders FirstSource's Days Inventory distribution charts can be found below:
* The bar in red indicates where Builders FirstSource'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.
Builders FirstSource (MEX:BLDR) has a Days Inventory of 44.16 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Builders FirstSource and its competitors. This is 12% above median its historical median of 39.57. Over the past decade, Builders FirstSource's Days Inventory has ranged from 31.33 to 43.70. According to the industry distribution chart, Builders FirstSource ranks #685 out of 1481 companies in the Construction industry, placing it in the top 46.3%.
Is Builders FirstSource's Days Inventory too high?
Builders FirstSource's current Days Inventory of 44.16 is 12% above median its 10-year median of 39.57. Over the past 10 years, this metric has ranged from a low of 31.33 to a high of 43.70. The Construction industry median Days Inventory is 50.36. Builders FirstSource's value of 44.16 is 12.3% below this industry median. Based on the distribution chart, Builders FirstSource ranks #685 out of 1481 companies in the Construction industry, which is above the industry midpoint. Overall, Builders FirstSource has a GF Score™ of 67/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Builders FirstSource's Days Inventory compare to AAON and OC?
According to the Construction industry distribution chart, Builders FirstSource ranks #685 out of 1481 companies for Days Inventory. This puts Builders FirstSource in the upper half of its industry. The industry median Days Inventory is 50.36. Builders FirstSource's value of 44.16 is 12.3% below this benchmark. Historically, Builders FirstSource's own Days Inventory has ranged from 31.33 to 43.70 over the past decade. While the company's 10-year median is 39.57 vs. the industry median of 50.36, Builders FirstSource has consistently been below 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 Construction company?
The median Days Inventory among Construction companies is 50.36, based on 1,481 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. Builders FirstSource's current Days Inventory of 44.16 is 12.3% below 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 Builders FirstSource and its competitors. For the Construction industry, the median Days Inventory is 50.36 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Builders FirstSource's current Days Inventory is 44.16, which is 12% above median its own 10-year median of 39.57. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Builders FirstSource stock overvalued right now?
Based on GuruFocus' analysis, Builders FirstSource (MEX:BLDR) is currently considered Significantly Undervalued. The stock's GF Value™ is MXN2,388.94, compared to a current price of MXN1,515.00 — trading 36.6% below its estimated fair value. The current Days Inventory is 44.16, which is 12% above median its 10-year median of 39.57 and 12.3% below the Construction industry median of 50.36. Builders FirstSource's overall GF Score™ is 67/100 with 8 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 Builders FirstSource (MEX:BLDR), the current Days Inventory is 44.16 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 Builders FirstSource (MEX:BLDR) Overvalued in 2026?
Based on GuruFocus' analysis, Builders FirstSource stock appears to be undervalued.
The current stock price of MXN1,515.00 is trading 36.6% below its estimated GF Value™ of MXN2,388.94.
GuruFocus considers Builders FirstSource to be Significantly Undervalued.
Key valuation signals for MEX:BLDR:
Days Inventory: 44.16 (12% above median its 10-year median of 39.57)
GF Value™: MXN2,388.94 vs. price of MXN1,515.00 (36.6% below fair value)
Industry Position: 12.3% below the Construction median (#685 of 1481)
No single metric tells the full story. See the MEX:BLDR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Builders FirstSource Inc is a manufacturer and supplier of building materials. The company offers structural and related building products such as factory-built roof and floor trusses, wall panels and stairs, vinyl windows, custom millwork and trim, and engineered wood. The products can be designed for each home individually and are installed by Builders FirstSource. The company's construction-related services include professional installation, turn-key framing, and shell construction. Builders FirstSource's customers range from large production builders to small custom homebuilders.
67GF Score
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