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.
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.
AltaGas's revenue for the
three
months ended in Jun. 2026 was $2,706 Mil.
Its revenue for the trailing twelve months (TTM) ended in Jun. 2026 was $9,865 Mil.
AltaGas's Revenue per Share for the
three
months ended in Jun. 2026 was $8.67.
Its Revenue per Share for the trailing twelve months (TTM) ended in Jun. 2026 was $32.01.
Warning Sign:
AltaGas Ltd revenue per share has been in decline over the past 3 years.
During the past 12 months, the average Revenue per Share Growth Rate of AltaGas was 3.40% per year.
During the past 3 years, the average Revenue per Share Growth Rate was -5.40% per year.
During the past 5 years, the average Revenue per Share Growth Rate was 12.00% per year.
During the past 10 years, the average Revenue per Share Growth Rate was 14.80% per year.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get other companies' revenue growth rate using Revenue per Share data.
During the past 13 years, AltaGas's highest 3-Year average Revenue per Share Growth Rate was 35.90% per year. The lowest was -16.80% per year. And the median was 6.90% per year.
His favorite companies are stalwart, those growing between 10-20% a year.
Companies in cyclical industries may see their revenue fluctuate wildly in good years and bad years.
Be Aware
Revenue can be manipulated by changing the way how revenue is booked. Companies may book sales before the payment is received, or before the revenue is fully earned. These will be added to balance sheet items such as account payable or account receivables.
AltaGas Revenue Related Terms
AltaGas Revenue Historical Data
* Premium members only.
The historical data trend for AltaGas's Revenue 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.
For the Oil & Gas Midstream subindustry, AltaGas's Revenue, along with its competitors' market caps and Revenue 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.
AltaGas Revenue vs Oil & Gas Industry
For the Oil & Gas industry and Energy sector, AltaGas's Revenue distribution charts can be found below:
* The bar in red indicates where AltaGas's Revenue falls into.
Also referred as sales, revenue is income that a company receives from its normal business activities, usually from the sale of goods and services to customers. Revenue is often referred to as the "top line" due to its position on the income statement at the very top.
Revenue 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 $9,865 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.
AltaGas (ATGFF) has a Revenue of $9,865 Mil as of Jun. 2026. Revenue is the total amount a company generates as sales through its operations. View historical data on AltaGas and its competitors.
Is AltaGas' Revenue too high?
AltaGas' current Revenue is $9,865 Mil. Overall, AltaGas has a GF Score™ of 69/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does AltaGas' Revenue compare to WMB and EPD?
AltaGas' Revenue of $9,865 Mil can be compared against companies in the Oil & Gas industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Revenue for an Oil & Gas company?
A good Revenue depends on the Oil & Gas industry context. However, Revenue 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 Revenue mean?
A high Revenue can signal that a stock is expensive relative to its fundamentals. Revenue is the total amount a company generates as sales through its operations. View historical data on AltaGas and its competitors. AltaGas's current Revenue is $9,865 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is AltaGas stock overvalued right now?
Based on GuruFocus' analysis, AltaGas (ATGFF) is currently considered Significantly Overvalued. The stock's GF Value™ is $25.60, compared to a current price of $40.08 — trading 56.6% above its estimated fair value. The current Revenue is $9,865 Mil. AltaGas' overall GF Score™ is 69/100 with 13 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Revenue calculated?
Revenue is calculated from a company's financial statements. For AltaGas (ATGFF), the current Revenue is $9,865 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 AltaGas (ATGFF) Overvalued in 2026?
Based on GuruFocus' analysis, AltaGas stock appears to be overvalued.
The current stock price of $40.08 is trading 56.6% above its estimated GF Value™ of $25.60.
GuruFocus considers AltaGas to be Significantly Overvalued.
Key valuation signals for ATGFF:
Revenue: $9,865 Mil
GF Value™: $25.60 vs. price of $40.08 (56.6% above fair value)
No single metric tells the full story. See the ATGFF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
AltaGas Ltd is a North American energy infrastructure company that connects customers and markets to energy sources. AltaGas has three reporting segments: Utilities, Midstream, and Corporate/Other. The majority of its revenue is generated from the Midstream segment, which operates a North American energy platform that moves natural gas and LPGs from the wellhead to markets. It exports propane and butane to Asia through its LPG terminals, and runs natural gas gathering, processing, fractionation, liquids handling, and storage infrastructure. The segment also includes its natural gas and natural gas liquids (NGLs) marketing business, domestic logistics, trucking and rail terminals, and liquid and natural gas storage capability. Geographically, the firm derives its key revenue from the U.S.
69GF Score
Get the complete analysis for ATGFF
Revenue is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ATGFF has been successfully added to your 
