3M CoHAM:MMM -0.37%70 PB Ratio is 27.27 as of Jun. 26, 2026, which is 216% above its 10-year median of 8.63. GuruFocus rates HAM:MMM with a GF Score™ of 70/100 and a GF Value™ of €121.55 (Modestly Overvalued). The stock has 7 warning signs investors should review. Among 544 Conglomerates companies, 3M Co ranks worse than 98.71% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-06-26), 3M Co's share price is €147.60. 3M Co's Book Value per Share for the quarter that ended in Mar. 2026 was €5.41. Hence, 3M Co's PB Ratio of today is 27.27.
Warning Sign:
3M Co stock PB Ratio (=26.85) is close to 10-year high of 26.85.
The historical rank and industry rank for 3M Co's PB Ratio or its related term are showing as below:
HAM:MMM'
s PB Ratio Range Over the Past 10 Years
Min: 2.92 Med: 8.63 Max: 26.85
Current: 26.85
During the past 13 years, 3M Co's highest PB Ratio was 26.85. The lowest was 2.92. And the median was 8.63.
HAM:MMM's PB Ratio is ranked worse than 98.71% of 544
companies
in the Conglomerates industry
Industry Median: 1.035
vs HAM:MMM: 26.85
During the past 12 months, 3M Co's average Book Value Per Share Growth Rate was -24.60% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -30.80% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -24.10% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -7.30% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of 3M Co was 21.50% per year. The lowest was -35.30% per year. And the median was 3.80% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
3M Co PB Ratio Related Terms
3M Co PB Ratio Historical Data
* Premium members only.
The historical data trend for 3M Co's 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.
For the Conglomerates subindustry, 3M Co's PB Ratio, along with its competitors' market caps and 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.
3M Co PB Ratio vs Conglomerates Industry
For the Conglomerates industry and Industrials sector, 3M Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where 3M Co's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
3M Co's PB Ratio for today is calculated as follows:
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
3M Co (HAM:MMM) has a PB Ratio of 27.27 as of Jun. 26, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on 3M Co and its competitors. This is 216% above median its historical median of 8.63. Over the past decade, 3M Co's PB Ratio has ranged from 2.92 to 26.85. According to the industry distribution chart, 3M Co ranks #537 out of 544 companies in the Conglomerates industry, placing it in the top 98.7%.
Is 3M Co's PB Ratio too high?
3M Co's current PB Ratio of 27.27 is 216% above median its 10-year median of 8.63. Over the past 10 years, this metric has ranged from a low of 2.92 to a high of 26.85. The Conglomerates industry median PB Ratio is 1.04. 3M Co's value of 27.27 is 2534.8% above this industry median. Based on the distribution chart, 3M Co ranks #537 out of 544 companies in the Conglomerates industry, which is in the bottom quartile relative to peers. Overall, 3M Co has a GF Score™ of 70/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does 3M Co's PB Ratio compare to VMI and HON?
According to the Conglomerates industry distribution chart, 3M Co ranks #537 out of 544 companies for PB Ratio. This places 3M Co in the lower half of its industry. The industry median PB Ratio is 1.04. 3M Co's value of 27.27 is 2534.8% above this benchmark. Historically, 3M Co's own PB Ratio has ranged from 2.92 to 26.85 over the past decade. While the company's 10-year median is 8.63 vs. the industry median of 1.04, 3M 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 PB Ratio for a Conglomerates company?
The median PB Ratio among Conglomerates companies is 1.04, based on 544 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. 3M Co's current PB Ratio of 27.27 is 2534.8% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on 3M Co and its competitors. For the Conglomerates industry, the median PB Ratio is 1.04 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. 3M Co's current PB Ratio is 27.27, which is 216% above median its own 10-year median of 8.63. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is 3M Co stock overvalued right now?
Based on GuruFocus' analysis, 3M Co (HAM:MMM) is currently considered Modestly Overvalued. The stock's GF Value™ is €121.55, compared to a current price of €147.60 — trading 21.4% above its estimated fair value. The current PB Ratio is 27.27, which is 216% above median its 10-year median of 8.63 and 2534.8% above the Conglomerates industry median of 1.04. 3M Co's overall GF Score™ is 70/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For 3M Co (HAM:MMM), the current PB Ratio is 27.27 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 3M Co (HAM:MMM) Overvalued in 2026?
Based on GuruFocus' analysis, 3M Co stock appears to be overvalued.
The current stock price of €147.60 is trading 21.4% above its estimated GF Value™ of €121.55.
GuruFocus considers 3M Co to be Modestly Overvalued.
Key valuation signals for HAM:MMM:
PB Ratio: 27.27 (216% above median its 10-year median of 8.63)
GF Value™: €121.55 vs. price of €147.60 (21.4% above fair value)
Industry Position: 2534.8% above the Conglomerates median (#537 of 544)
No single metric tells the full story. See the HAM:MMM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
3M, a multinational conglomerate founded in 1902, sells tens of thousands of products ranging from sponges to respirators. The firm is well known for its extensive research and development capabilities, and it is a pioneer in inventing new use cases for its proprietary technologies. 3M is organized across three business segments: safety and industrial (representing around 44% of revenue), transportation and electronics (36%), and consumer (20%). The firm recently spun off its healthcare business, now known as Solventum. Nearly half of 3M's revenue comes from outside the Americas.
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