ATS (TSX:ATS) Days Inventory: 49.26 (As of Mar. 2026) — 29% Above Median


TSX:ATS ATS Corp TSX:ATS
81 GF Score
Price C$39.78
GF Value C$45.22
Valuation Modestly Undervalued
! 5 Warning Signs
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What is ATS Days Inventory?

ATS TSX:ATS -0.45% 81 Days Inventory is 49.26 as of Mar. 2026, which is 29% above its 10-year median of 38.12. GuruFocus rates TSX:ATS with a GF Score™ of 81/100 and a GF Value™ of C$45.22 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 2,972 Industrial Products companies, ATS ranks better than 86.78% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). ATS's Average Total Inventories for the three months ended in Mar. 2026 was C$302 Mil. ATS's Cost of Goods Sold for the three months ended in Mar. 2026 was C$559 Mil. Hence, ATS's Days Inventory for the three months ended in Mar. 2026 was 49.26.

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

TSX:ATS' s Days Inventory Range Over the Past 10 Years
Min: 22.61   Med: 38.12   Max: 59.59
Current: 53.48

During the past 13 years, ATS's highest Days Inventory was 59.59. The lowest was 22.61. And the median was 38.12.

TSX:ATS's Days Inventory is ranked better than
86.78% of 2972 companies
in the Industrial Products industry
Industry Median: 119.385 vs TSX:ATS: 53.48

ATS's Days Inventory declined from Mar. 2025 (61.11) to Mar. 2026 (49.26).

Inventory Turnover measures how fast the company turns over its inventory within a year. ATS's Inventory Turnover for the three months ended in Mar. 2026 was 1.85.

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. ATS's Inventory-to-Revenue for the three months ended in Mar. 2026 was 0.40.


ATS  (TSX:ATS) 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.

ATS'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.

ATS'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.


ATS Days Inventory Related Terms


ATS Days Inventory Historical Data

* Premium members only.

The historical data trend for ATS'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.

ATS Days Inventory Chart

ATS 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 40.20 45.81 46.33 59.59 52.92

ATS Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 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 61.11 55.67 56.39 53.54 49.26

TSX:ATS vs GEV, ETN, PH: Days Inventory Comparison

For the Specialty Industrial Machinery subindustry, ATS'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.


ATS Days Inventory vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, ATS's Days Inventory distribution charts can be found below:

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


TSX:ATS
81GF Score
ATS Corp TSX:ATS
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

ATS Days Inventory Calculation

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

ATS'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
=( (320.172 + 295.206) / 2 ) / 2122.067*365
=307.689 / 2122.067*365
=52.92

ATS'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: Dec. 2025 ) + Total Inventories (Q: Mar. 2026 )) / count ) / Cost of Goods Sold (Q: Mar. 2026 )*Days in Period
=( (308.136 + 295.206) / 2 ) / 558.836*365 / 4
=301.671 / 558.836*365 / 4
=49.26

* 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 49.26 mean?
ATS (TSX:ATS) has a Days Inventory of 49.26 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on ATS and its competitors. This is 29% above median its historical median of 38.12. Over the past decade, ATS's Days Inventory has ranged from 22.61 to 59.59. According to the industry distribution chart, ATS ranks #393 out of 2972 companies in the Industrial Products industry, placing it in the top 13.2%.
Is ATS's Days Inventory too high?
ATS's current Days Inventory of 49.26 is 29% above median its 10-year median of 38.12. Over the past 10 years, this metric has ranged from a low of 22.61 to a high of 59.59. The Industrial Products industry median Days Inventory is 119.39. ATS's value of 49.26 is 58.7% below this industry median. Based on the distribution chart, ATS ranks #393 out of 2972 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, ATS has a GF Score™ of 81/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does ATS's Days Inventory compare to GEV and ETN?
According to the Industrial Products industry distribution chart, ATS ranks #393 out of 2972 companies for Days Inventory. This places ATS in the top 13% of its industry — outperforming the majority of peers. The industry median Days Inventory is 119.39. ATS's value of 49.26 is 58.7% below this benchmark. Historically, ATS's own Days Inventory has ranged from 22.61 to 59.59 over the past decade. While the company's 10-year median is 38.12 vs. the industry median of 119.39, ATS 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 an Industrial Products company?
The median Days Inventory among Industrial Products companies is 119.39, based on 2,972 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. ATS's current Days Inventory of 49.26 is 58.7% 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 ATS and its competitors. For the Industrial Products industry, the median Days Inventory is 119.39 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ATS's current Days Inventory is 49.26, which is 29% above median its own 10-year median of 38.12. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ATS stock overvalued right now?
Based on GuruFocus' analysis, ATS (TSX:ATS) is currently considered Modestly Undervalued. The stock's GF Value™ is C$45.22, compared to a current price of C$39.78 — trading 12% below its estimated fair value. The current Days Inventory is 49.26, which is 29% above median its 10-year median of 38.12 and 58.7% below the Industrial Products industry median of 119.39. ATS's overall GF Score™ is 81/100 with 5 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 ATS (TSX:ATS), the current Days Inventory is 49.26 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 ATS (TSX:ATS) Overvalued in 2026?

Based on GuruFocus' analysis, ATS stock appears to be undervalued. The current stock price of C$39.78 is trading 12% below its estimated GF Value™ of C$45.22. GuruFocus considers ATS to be Modestly Undervalued.

Key valuation signals for TSX:ATS:

  • Days Inventory: 49.26 (29% above median its 10-year median of 38.12)
  • GF Value™: C$45.22 vs. price of C$39.78 (12% below fair value)
  • GF Score™: 81/100 with 5 warning signs
  • Industry Position: 58.7% below the Industrial Products median (#393 of 2972)

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


ATS Business Description

Other Exchanges ATS:USAATO0:Germany
Address 730 Fountain Street North, Building 3, Cambridge, ON, CAN, N3H 4R7
ATS Corp is an industry leader in planning, designing, building, commissioning and servicing automated manufacturing systems - including automation products and test solutions - for a broadly diversified base of customers. The Company's operations are reported as one operating segment, Automation Systems, which plans, allocates resources, builds capabilities and implements practices on a world'wide basis. The company has presence in Canada, United States, Germany, Italy, Other Europe, and Other.
81GF Score

Get the complete analysis for TSX:ATS

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

C$39.78
Price
C$45.22
GF Value