ROCK (Gibraltar Industries) Change In Inventory: $-16 Mil (TTM As of Jun. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

ROCK Gibraltar Industries Inc ROCK
69 GF Score
Price $47.88
GF Value $91.87
Valuation Possible Value Trap
! 4 Warning Signs
View Full Analysis

What is Gibraltar Industries Change In Inventory?

Gibraltar Industries ROCK -2.15% 69 Change In Inventory is $-16 Mil as of Jun. 2026. GuruFocus rates ROCK with a GF Score™ of 69/100 and a GF Value™ of $91.87 (Possible Value Trap). The stock has 4 warning signs investors should review.

Gibraltar Industries's change in inventory for the quarter that ended in Jun. 2026 was $-3 Mil. It means Gibraltar Industries's inventory increased by $3 Mil from Mar. 2026 to Jun. 2026 .

Gibraltar Industries's change in inventory for the fiscal year that ended in Dec. 2025 was $-5 Mil. It means Gibraltar Industries's inventory increased by $5 Mil from Dec. 2024 to Dec. 2025 .

Gibraltar Industries's Total Inventories for the quarter that ended in Jun. 2026 was $268 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Gibraltar Industries's Days Inventory for the quarter that ended in Jun. 2026 was 64.80.

Inventory Turnover measures how fast the company turns over its inventory within a year. Gibraltar Industries's Inventory Turnover for the quarter that ended in Jun. 2026 was 1.41.

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. Gibraltar Industries's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 0.53.


Gibraltar Industries  (NAS:ROCK) Change In Inventory Explanation

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

Gibraltar Industries's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=268.06/377.47*365 / 4
=64.80

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

Gibraltar Industries's Inventory Turnover for the quarter that ended in Jun. 2026 is calculated as

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.

Gibraltar Industries's Inventory to Revenue for the quarter that ended in Jun. 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.


Gibraltar Industries Change In Inventory Related Terms


Gibraltar Industries Change In Inventory Historical Data

* Premium members only.

The historical data trend for Gibraltar Industries'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.

Gibraltar Industries Change In Inventory Chart

Gibraltar Industries Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only -85.76 14.38 41.43 1.83 -4.93

Gibraltar Industries Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Change In 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 -4.63 4.96 2.97 -20.46 -3.04
ROCK
69GF Score
Gibraltar Industries Inc ROCK
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Gibraltar Industries 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 Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $-16 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.

Frequently Asked Questions Learn more about Change In Inventory →
What does a Change In Inventory of $-16 Mil mean?
Gibraltar Industries (ROCK) has a Change In Inventory of $-16 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Gibraltar Industries and its competitors.
Is Gibraltar Industries' Change In Inventory too high?
Gibraltar Industries' current Change In Inventory is $-16 Mil. Overall, Gibraltar Industries has a GF Score™ of 69/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Gibraltar Industries' Change In Inventory compare to ARLO and NPKI?
Gibraltar Industries' Change In Inventory of $-16 Mil can be compared against companies in the Construction 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 a Construction company?
A good Change In Inventory depends on the Construction 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 Gibraltar Industries and its competitors. Gibraltar Industries's current Change In Inventory is $-16 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Gibraltar Industries stock overvalued right now?
Based on GuruFocus' analysis, Gibraltar Industries (ROCK) is currently considered Possible Value Trap. The stock's GF Value™ is $91.87, compared to a current price of $47.88 — trading 47.9% below its estimated fair value. The current Change In Inventory is $-16 Mil. Gibraltar Industries' overall GF Score™ is 69/100 with 4 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 Gibraltar Industries (ROCK), the current Change In Inventory is $-16 Mil as of Jun. 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 Gibraltar Industries (ROCK) Overvalued in 2026?

Based on GuruFocus' analysis, Gibraltar Industries stock appears to be undervalued. The current stock price of $47.88 is trading 47.9% below its estimated GF Value™ of $91.87. GuruFocus considers Gibraltar Industries to be Possible Value Trap.

Key valuation signals for ROCK:

  • Change In Inventory: $-16 Mil
  • GF Value™: $91.87 vs. price of $47.88 (47.9% below fair value)
  • GF Score™: 69/100 with 4 warning signs

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


Gibraltar Industries Business Description

Other Exchanges GI2:Germany
Address 3556 Lake Shore Road, P.O. Box 2028, Buffalo, NY, USA, 14219-0228
Gibraltar Industries Inc manufactures and provides products and services for the Renewable energy, Residential, Agtech, and Infrastructure markets. The Renewable Segment is engaged in designing, engineering, manufacturing, and installing solar racking and electrical balance systems. Agtech Segment provides growing and processing solutions including the designing, engineering, manufacturing, full-scope construction, maintenance, and support of greenhouses and indoor growing operations, and botanical extraction systems. It derives key revenue from the Residential segment which offers roof and foundation ventilation products, single point and centralized mail systems electronic package solutions, and Retractable awnings and gutter guards, among other products.
69GF Score

Get the complete analysis for ROCK

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

$47.88
Price
$91.87
GF Value