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.
Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. GFL Environmental's current 3-Year Share Buyback Ratio was -1.40%.
The historical rank and industry rank for GFL Environmental's 3-Year Share Buyback Ratio or its related term are showing as below:
GFL'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -206.8 Med: -5.2 Max: 0.2
Current: -1.4
During the past 10 years, GFL Environmental's highest 3-Year Share Buyback Ratio was 0.20%. The lowest was -206.80%. And the median was -5.20%.
GFL's 3-Year Share Buyback Ratio is ranked better than 61.78% of 157
companies
in the Waste Management industry
Industry Median: -3.2
vs GFL: -1.40
GFL Environmental (NYSE:GFL) 3-Year Share Buyback Ratio Explanation
A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.
Be Aware
Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.
GFL Environmental 3-Year Share Buyback Ratio Related Terms
GFL vs CLH, CWST, SGLA: 3-Year Share Buyback Ratio Comparison
For the Waste Management subindustry, GFL Environmental's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback Ratio 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.
GFL Environmental 3-Year Share Buyback Ratio vs Waste Management Industry
For the Waste Management industry and Industrials sector, GFL Environmental's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where GFL Environmental's 3-Year Share Buyback Ratio falls into.
GFL Environmental 3-Year Share Buyback Ratio Calculation
This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).
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 the average dividends per share growth rate.
What does a 3-Year Share Buyback Ratio of -1.40 mean?
GFL Environmental (GFL) has a 3-Year Share Buyback Ratio of -1.40 as of Jun. 2026. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for GFL Environmental and its competitors. According to the industry distribution chart, GFL Environmental ranks #60 out of 157 companies in the Waste Management industry, placing it in the top 38.2%.
Is GFL Environmental's 3-Year Share Buyback Ratio too high?
GFL Environmental's current 3-Year Share Buyback Ratio is -1.40. Based on the distribution chart, GFL Environmental ranks #60 out of 157 companies in the Waste Management industry, which is above the industry midpoint. Overall, GFL Environmental has a GF Score™ of 63/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does GFL Environmental's 3-Year Share Buyback Ratio compare to CLH and CWST?
According to the Waste Management industry distribution chart, GFL Environmental ranks #60 out of 157 companies for 3-Year Share Buyback Ratio. This puts GFL Environmental in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Share Buyback Ratio for a Waste Management company?
A good 3-Year Share Buyback Ratio depends on the Waste Management industry context. However, 3-Year Share Buyback Ratio 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 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for GFL Environmental and its competitors. GFL Environmental's current 3-Year Share Buyback Ratio is -1.40. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is GFL Environmental stock overvalued right now?
Based on GuruFocus' analysis, GFL Environmental (GFL) is currently considered Fairly Valued. The stock's GF Value™ is $45.26, compared to a current price of $42.53 — trading 6% below its estimated fair value. The current 3-Year Share Buyback Ratio is -1.40. GFL Environmental's overall GF Score™ is 63/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For GFL Environmental (GFL), the current 3-Year Share Buyback Ratio is -1.40 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 GFL Environmental (GFL) Overvalued in 2026?
Based on GuruFocus' analysis, GFL Environmental stock appears to be undervalued.
The current stock price of $42.53 is trading 6% below its estimated GF Value™ of $45.26.
GuruFocus considers GFL Environmental to be Fairly Valued.
Key valuation signals for GFL:
3-Year Share Buyback Ratio: -1.40
GF Value™: $45.26 vs. price of $42.53 (6% below fair value)
No single metric tells the full story. See the GFL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
GFL Environmental Inc is an environmental services company. Its offerings include non-hazardous solid waste management, infrastructure, soil remediation, and liquid waste management services. Its solid waste management business line, which generates the majority of the revenue, consists of the collection, transportation, transfer, recycling, and disposal of non-hazardous solid waste. Its Environmental Services business line includes liquid waste and soil remediation. The company's geographical segments are Canada and the United States. The company derives the majority of its revenue from the United States.
63GF Score
Get the complete analysis for GFL
3-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
GFL has been successfully added to your 
