DCI (Donaldson Co) Cyclically Adjusted PB Ratio: 8.34 (As of Sep. 05, 2026) — 13% Above Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

DCI Donaldson Co Inc DCI
93 GF Score
Price $91.03
GF Value $83.96
Valuation Fairly Valued
! 3 Warning Signs
View Full Analysis

What is Donaldson Co Cyclically Adjusted PB Ratio?

Donaldson Co DCI +0.47% 93 Cyclically Adjusted PB Ratio is 8.34 as of Sep. 05, 2026, which is 13% above its 10-year median of 7.39. GuruFocus rates DCI with a GF Score™ of 93/100 and a GF Value™ of $83.96 (Fairly Valued). The stock has 3 warning signs investors should review. Among 2,105 Industrial Products companies, Donaldson Co ranks worse than 90.26% on this metric.

As of today (2026-09-05), Donaldson Co's current share price is $91.03. Donaldson Co's Cyclically Adjusted Book per Share for the quarter that ended in Jul. 2026 was $10.92. Donaldson Co's Cyclically Adjusted PB Ratio for today is 8.34.

The historical rank and industry rank for Donaldson Co's Cyclically Adjusted PB Ratio or its related term are showing as below:

DCI' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 5.11   Med: 7.39   Max: 10.62
Current: 8.33

During the past years, Donaldson Co's highest Cyclically Adjusted PB Ratio was 10.62. The lowest was 5.11. And the median was 7.39.

DCI's Cyclically Adjusted PB Ratio is ranked worse than
90.26% of 2105 companies
in the Industrial Products industry
Industry Median: 2.15 vs DCI: 8.33

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Donaldson Co's adjusted book value per share data for the three months ended in Jul. 2026 was $15.222. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is $10.92 for the trailing ten years ended in Jul. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Donaldson Co  (NYSE:DCI) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Donaldson Co Cyclically Adjusted PB Ratio Related Terms


Donaldson Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Donaldson Co's Cyclically Adjusted PB 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 Cyclically Adjusted PB Ratio Chart

Donaldson Co Annual Data
Trend Jul17 Jul18 Jul19 Jul20 Jul21 Jul22 Jul23 Jul24 Jul25 Jul26
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 6.44 7.12 8.09 7.24 8.63

Donaldson Co Quarterly Data
Oct21 Jan22 Apr22 Jul22 Oct22 Jan23 Apr23 Jul23 Oct23 Jan24 Apr24 Jul24 Oct24 Jan25 Apr25 Jul25 Oct25 Jan26 Apr26 Jul26
Cyclically Adjusted PB 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 7.24 8.31 9.89 8.23 8.63

DCI vs RRX, GNRC, FLS: Cyclically Adjusted PB Ratio Comparison

For the Specialty Industrial Machinery subindustry, Donaldson Co's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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 Cyclically Adjusted PB Ratio vs Industrial Products Industry

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

* The bar in red indicates where Donaldson Co's Cyclically Adjusted PB Ratio falls into.


DCI
93GF Score
Donaldson Co Inc DCI
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Donaldson Co Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Donaldson Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=91.03/10.92
=8.34

* 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's Cyclically Adjusted Book per Share for the quarter that ended in Jul. 2026 is calculated as:

For example, Donaldson Co's adjusted Book Value per Share data for the three months ended in Jul. 2026 was:

Adj_Book=Book Value per Share/CPI of Jul. 2026 (Change)*Current CPI (Jul. 2026)
=15.222/333.9180*333.9180
=15.222

Current CPI (Jul. 2026) = 333.9180.

Donaldson Co Quarterly Data

Book Value per Share CPI Adj_Book
201610 5.915 241.729 8.171
201701 5.878 242.839 8.083
201704 6.087 244.524 8.312
201707 6.509 244.786 8.879
201710 6.749 246.663 9.136
201801 6.332 247.867 8.530
201804 6.452 250.546 8.599
201807 6.624 252.006 8.777
201810 6.644 252.885 8.773
201901 6.801 251.712 9.022
201904 7.354 255.548 9.609
201907 6.969 256.571 9.070
201910 7.208 257.346 9.353
202001 7.374 257.971 9.545
202004 7.441 256.389 9.691
202007 7.813 259.101 10.069
202010 8.287 260.388 10.627
202101 8.520 261.582 10.876
202104 9.172 267.054 11.468
202107 9.095 273.003 11.124
202110 9.035 276.589 10.908
202201 9.040 281.148 10.737
202204 9.146 289.109 10.564
202207 9.247 296.276 10.422
202210 9.475 298.012 10.617
202301 9.854 299.170 10.999
202304 10.697 303.363 11.774
202307 10.905 305.691 11.912
202310 11.088 307.671 12.034
202401 11.434 308.417 12.379
202404 12.299 313.548 13.098
202407 12.398 314.540 13.162
202410 12.915 315.664 13.662
202501 12.922 317.671 13.583
202504 12.542 320.795 13.055
202507 12.526 323.048 12.947
202510 13.130 0.000
202601 13.607 325.252 13.970
202604 14.627 333.020 14.666
202607 15.222 333.918 15.222

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 8.34 mean?
Donaldson Co (DCI) has a Cyclically Adjusted PB Ratio of 8.34 as of Sep. 05, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Donaldson Co and its competitors. This is 13% above median its historical median of 7.39. Over the past decade, Donaldson Co's Cyclically Adjusted PB Ratio has ranged from 5.11 to 10.62. According to the industry distribution chart, Donaldson Co ranks #1900 out of 2105 companies in the Industrial Products industry, placing it in the top 90.3%.
Is Donaldson Co's Cyclically Adjusted PB Ratio too high?
Donaldson Co's current Cyclically Adjusted PB Ratio of 8.34 is 13% above median its 10-year median of 7.39. Over the past 10 years, this metric has ranged from a low of 5.11 to a high of 10.62. The Industrial Products industry median Cyclically Adjusted PB Ratio is 2.15. Donaldson Co's value of 8.34 is 287.9% above this industry median. Based on the distribution chart, Donaldson Co ranks #1900 out of 2105 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Donaldson Co has a GF Score™ of 93/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Donaldson Co's Cyclically Adjusted PB Ratio compare to RRX and GNRC?
According to the Industrial Products industry distribution chart, Donaldson Co ranks #1900 out of 2105 companies for Cyclically Adjusted PB Ratio. This places Donaldson Co in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.15. Donaldson Co's value of 8.34 is 287.9% above this benchmark. Historically, Donaldson Co's own Cyclically Adjusted PB Ratio has ranged from 5.11 to 10.62 over the past decade. While the company's 10-year median is 7.39 vs. the industry median of 2.15, 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 Cyclically Adjusted PB Ratio for an Industrial Products company?
The median Cyclically Adjusted PB Ratio among Industrial Products companies is 2.15, based on 2,105 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Donaldson Co's current Cyclically Adjusted PB Ratio of 8.34 is 287.9% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Donaldson Co and its competitors. For the Industrial Products industry, the median Cyclically Adjusted PB Ratio is 2.15 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Donaldson Co's current Cyclically Adjusted PB Ratio is 8.34, which is 13% above median its own 10-year median of 7.39. 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 $83.96, compared to a current price of $91.03 — trading 8.4% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 8.34, which is 13% above median its 10-year median of 7.39 and 287.9% above the Industrial Products industry median of 2.15. Donaldson Co's overall GF Score™ is 93/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Donaldson Co (DCI), the current Cyclically Adjusted PB Ratio is 8.34 as of Sep. 05, 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 $91.03 is trading 8.4% above its estimated GF Value™ of $83.96. GuruFocus considers Donaldson Co to be Fairly Valued.

Key valuation signals for DCI:

  • Cyclically Adjusted PB Ratio: 8.34 (13% above median its 10-year median of 7.39)
  • GF Value™: $83.96 vs. price of $91.03 (8.4% above fair value)
  • GF Score™: 93/100 with 3 warning signs
  • Industry Position: 287.9% above the Industrial Products median (#1900 of 2105)

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.
93GF Score

Get the complete analysis for DCI

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

$91.03
Price
$83.96
GF Value