AptarGroupATR -0.38%82 PEG Ratio is 2.45 as of Jun. 26, 2026, which is 63% below its 10-year median of 6.66. GuruFocus rates ATR with a GF Score™ of 82/100 and a GF Value™ of $157.01 (Modestly Undervalued). The stock has 1 warning sign investors should review. Among 208 Medical Devices & Instruments companies, AptarGroup ranks worse than 62.5% on this metric.
PE Ratio without NRI / 5-Year EBITDA Growth Rate*
PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, AptarGroup's PE Ratio without NRI is 22.02. AptarGroup's 5-Year EBITDA growth rate is 9.00%. Therefore, AptarGroup's PEG Ratio for today is 2.45.
* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
The historical rank and industry rank for AptarGroup's PEG Ratio or its related term are showing as below:
ATR'
s PEG Ratio Range Over the Past 10 Years
Min: 2.13 Med: 6.66 Max: 12.17
Current: 2.45
During the past 13 years, AptarGroup's highest PEG Ratio was 12.17. The lowest was 2.13. And the median was 6.66.
ATR's PEG Ratio is ranked worse than 62.5% of 208
companies
in the Medical Devices & Instruments industry
Industry Median: 1.915
vs ATR: 2.45
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
AptarGroup (NYSE:ATR) PEG Ratio Explanation
To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.
AptarGroup PEG Ratio Related Terms
AptarGroup PEG Ratio Historical Data
* Premium members only.
The historical data trend for AptarGroup's PEG Ratio 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 Medical Instruments & Supplies subindustry, AptarGroup's PEG Ratio, along with its competitors' market caps and PEG 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.
AptarGroup PEG Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, AptarGroup's PEG Ratio distribution charts can be found below:
* The bar in red indicates where AptarGroup's PEG Ratio 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.
* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
AptarGroup (ATR) has a PEG Ratio of 2.45 as of Jun. 26, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on AptarGroup and its competitors. This is 63% below median its historical median of 6.66. Over the past decade, AptarGroup's PEG Ratio has ranged from 2.13 to 12.17. According to the industry distribution chart, AptarGroup ranks #130 out of 208 companies in the Medical Devices & Instruments industry, placing it in the top 62.5%.
Is AptarGroup's PEG Ratio too high?
AptarGroup's current PEG Ratio of 2.45 is 63% below median its 10-year median of 6.66. Over the past 10 years, this metric has ranged from a low of 2.13 to a high of 12.17. The Medical Devices & Instruments industry median PEG Ratio is 1.92. AptarGroup's value of 2.45 is 27.9% above this industry median. Based on the distribution chart, AptarGroup ranks #130 out of 208 companies in the Medical Devices & Instruments industry, which is below the industry midpoint. Overall, AptarGroup has a GF Score™ of 82/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does AptarGroup's PEG Ratio compare to RGEN and AVTR?
According to the Medical Devices & Instruments industry distribution chart, AptarGroup ranks #130 out of 208 companies for PEG Ratio. This places AptarGroup in the lower half of its industry. The industry median PEG Ratio is 1.92. AptarGroup's value of 2.45 is 27.9% above this benchmark. Historically, AptarGroup's own PEG Ratio has ranged from 2.13 to 12.17 over the past decade. While the company's 10-year median is 6.66 vs. the industry median of 1.92, AptarGroup has consistently been above 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 PEG Ratio for a Medical Devices & Instruments company?
The median PEG Ratio among Medical Devices & Instruments companies is 1.92, based on 208 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. AptarGroup's current PEG Ratio of 2.45 is 27.9% above 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 PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on AptarGroup and its competitors. For the Medical Devices & Instruments industry, the median PEG Ratio is 1.92 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. AptarGroup's current PEG Ratio is 2.45, which is 63% below median its own 10-year median of 6.66. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is AptarGroup stock overvalued right now?
Based on GuruFocus' analysis, AptarGroup (ATR) is currently considered Modestly Undervalued. The stock's GF Value™ is $157.01, compared to a current price of $125.96 — trading 19.8% below its estimated fair value. The current PEG Ratio is 2.45, which is 63% below median its 10-year median of 6.66 and 27.9% above the Medical Devices & Instruments industry median of 1.92. AptarGroup's overall GF Score™ is 82/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For AptarGroup (ATR), the current PEG Ratio is 2.45 as of Jun. 26, 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 AptarGroup (ATR) Overvalued in 2026?
Based on GuruFocus' analysis, AptarGroup stock appears to be undervalued.
The current stock price of $125.96 is trading 19.8% below its estimated GF Value™ of $157.01.
GuruFocus considers AptarGroup to be Modestly Undervalued.
Key valuation signals for ATR:
PEG Ratio: 2.45 (63% below median its 10-year median of 6.66)
GF Value™: $157.01 vs. price of $125.96 (19.8% below fair value)
Industry Position: 27.9% above the Medical Devices & Instruments median (#130 of 208)
No single metric tells the full story. See the ATR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Headquartered in Crystal Lake, Illinois, AptarGroup is a leading global supplier of dispensing systems such as aerosol valves, pumps, closures, and elastomer packaging components to the consumer goods and pharmaceutical markets. Its sales are primarily from Europe (49% of sales) and the United States (28%), with China contributing 5% and other countries contributing 17%. It operates three business segments, Pharma, Beauty, and Closures. Pharma generates over two thirds of group profits.
82GF Score
Get the complete analysis for ATR
PEG 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
ATR has been successfully added to your 
