DCI (Donaldson Co) PEG Ratio: 2.55 (As of Jun. 29, 2026) — 30% Below Median


DCI Donaldson Co Inc DCI
94 GF Score
Price $88.52
GF Value $81.12
Valuation Fairly Valued
! 1 Warning Sign
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What is Donaldson Co PEG Ratio?

Donaldson Co DCI -0.66% 94 PEG Ratio is 2.55 as of Jun. 29, 2026, which is 30% below its 10-year median of 3.63. GuruFocus rates DCI with a GF Score™ of 94/100 and a GF Value™ of $81.12 (Fairly Valued). The stock has 1 warning sign investors should review. Among 1,283 Industrial Products companies, Donaldson Co ranks worse than 61.65% 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, Donaldson Co's PE Ratio without NRI is 23.49. Donaldson Co's 5-Year EBITDA growth rate is 9.20%. Therefore, Donaldson Co's PEG Ratio for today is 2.55.

* 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 Donaldson Co's PEG Ratio or its related term are showing as below:

DCI' s PEG Ratio Range Over the Past 10 Years
Min: 1.63   Med: 3.63   Max: 66.03
Current: 2.55


During the past 13 years, Donaldson Co's highest PEG Ratio was 66.03. The lowest was 1.63. And the median was 3.63.


DCI's PEG Ratio is ranked worse than
61.65% of 1283 companies
in the Industrial Products industry
Industry Median: 1.86 vs DCI: 2.55

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


Donaldson Co  (NYSE:DCI) 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.


Donaldson Co PEG Ratio Related Terms


Donaldson Co PEG Ratio Historical Data

* Premium members only.

The historical data trend for Donaldson Co'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.

Donaldson Co PEG Ratio Chart

Donaldson Co Annual Data
Trend Jul16 Jul17 Jul18 Jul19 Jul20 Jul21 Jul22 Jul23 Jul24 Jul25
PEG Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 6.67 5.46 3.49 2.31 1.92

Donaldson Co Quarterly Data
Jul21 Oct21 Jan22 Apr22 Jul22 Oct22 Jan23 Apr23 Jul23 Oct23 Jan24 Apr24 Jul24 Oct24 Jan25 Apr25 Jul25 Oct25 Jan26 Apr26
PEG Ratio 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 1.85 1.92 2.47 3.25 2.88

DCI vs GTLS, FLS, WTS: PEG Ratio Comparison

For the Specialty Industrial Machinery subindustry, Donaldson Co'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.


Donaldson Co PEG Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Donaldson Co's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Donaldson Co's PEG Ratio falls into.


DCI
94GF Score
Donaldson Co Inc DCI
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Donaldson Co PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year EBITDA growth rate.

Donaldson Co's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=23.486335898116/9.20
=2.55

* 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.

Frequently Asked Questions Learn more about PEG Ratio →
What does a PEG Ratio of 2.55 mean?
Donaldson Co (DCI) has a PEG Ratio of 2.55 as of Jun. 29, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Donaldson Co and its competitors. This is 30% below median its historical median of 3.63. Over the past decade, Donaldson Co's PEG Ratio has ranged from 1.63 to 66.03. According to the industry distribution chart, Donaldson Co ranks #791 out of 1283 companies in the Industrial Products industry, placing it in the top 61.7%.
Is Donaldson Co's PEG Ratio too high?
Donaldson Co's current PEG Ratio of 2.55 is 30% below median its 10-year median of 3.63. Over the past 10 years, this metric has ranged from a low of 1.63 to a high of 66.03. The Industrial Products industry median PEG Ratio is 1.86. Donaldson Co's value of 2.55 is 37.1% above this industry median. Based on the distribution chart, Donaldson Co ranks #791 out of 1283 companies in the Industrial Products industry, which is below the industry midpoint. Overall, Donaldson Co has a GF Score™ of 94/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Donaldson Co's PEG Ratio compare to GTLS and FLS?
According to the Industrial Products industry distribution chart, Donaldson Co ranks #791 out of 1283 companies for PEG Ratio. This places Donaldson Co in the lower half of its industry. The industry median PEG Ratio is 1.86. Donaldson Co's value of 2.55 is 37.1% above this benchmark. Historically, Donaldson Co's own PEG Ratio has ranged from 1.63 to 66.03 over the past decade. While the company's 10-year median is 3.63 vs. the industry median of 1.86, Donaldson Co 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 an Industrial Products company?
The median PEG Ratio among Industrial Products companies is 1.86, based on 1,283 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. Donaldson Co's current PEG Ratio of 2.55 is 37.1% 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 Donaldson Co and its competitors. For the Industrial Products industry, the median PEG Ratio is 1.86 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Donaldson Co's current PEG Ratio is 2.55, which is 30% below median its own 10-year median of 3.63. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Donaldson Co stock overvalued right now?
Based on GuruFocus' analysis, Donaldson Co (DCI) is currently considered Fairly Valued. The stock's GF Value™ is $81.12, compared to a current price of $88.52 — trading 9.1% above its estimated fair value. The current PEG Ratio is 2.55, which is 30% below median its 10-year median of 3.63 and 37.1% above the Industrial Products industry median of 1.86. Donaldson Co's overall GF Score™ is 94/100 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 Donaldson Co (DCI), the current PEG Ratio is 2.55 as of Jun. 29, 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 Donaldson Co (DCI) Overvalued in 2026?

Based on GuruFocus' analysis, Donaldson Co stock appears to be overvalued. The current stock price of $88.52 is trading 9.1% above its estimated GF Value™ of $81.12. GuruFocus considers Donaldson Co to be Fairly Valued.

Key valuation signals for DCI:

  • PEG Ratio: 2.55 (30% below median its 10-year median of 3.63)
  • GF Value™: $81.12 vs. price of $88.52 (9.1% above fair value)
  • GF Score™: 94/100 with 1 warning sign
  • Industry Position: 37.1% above the Industrial Products median (#791 of 1283)

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


Donaldson Co Business Description

Other Exchanges DNZ:Germany
Address 1400 West 94th Street, Minneapolis, MN, USA, 55431
Donaldson is a leading manufacturer of filtration systems and replacement parts, including air filtration systems, liquid filtration systems, and dust, fume, and mist collectors. The company serves a diverse range of end markets, including construction, mining, agriculture, truck, and industrial. Its business is organized into three segments: mobile solutions, industrial solutions, and life sciences. Donaldson generated approximately $3.7 billion in revenue in its fiscal 2025.
94GF Score

Get the complete analysis for DCI

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

$88.52
Price
$81.12
GF Value