The Mosaic CoBSP:MOSC34 -0.77%56 PB Ratio is 0.56 as of Jun. 25, 2026, which is 40% below its 10-year median of 0.94. GuruFocus rates BSP:MOSC34 with a GF Score™ of 56/100 and a GF Value™ of R$25.43 (Modestly Undervalued). The stock has 8 warning signs investors should review. Among 249 Agriculture companies, The Mosaic Co ranks better than 85.14% 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 (2026-06-25), The Mosaic Co's share price is R$18.13. The Mosaic Co's Book Value per Share for the quarter that ended in Mar. 2026 was R$32.37. Hence, The Mosaic Co's PB Ratio of today is 0.56.
Good Sign:
The Mosaic Co stock PB Ratio (=0.56) is close to 5-year low of 0.56.
The historical rank and industry rank for The Mosaic Co's PB Ratio or its related term are showing as below:
BSP:MOSC34'
s PB Ratio Range Over the Past 10 Years
Min: 0.4 Med: 0.94 Max: 2.48
Current: 0.56
During the past 13 years, The Mosaic Co's highest PB Ratio was 2.48. The lowest was 0.40. And the median was 0.94.
BSP:MOSC34's PB Ratio is ranked better than 85.14% of 249
companies
in the Agriculture industry
Industry Median: 1.51
vs BSP:MOSC34: 0.56
During the past 12 months, The Mosaic Co's average Book Value Per Share Growth Rate was 0.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 2.30% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 8.40% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 4.40% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of The Mosaic Co was 33.30% per year. The lowest was -34.10% per year. And the median was 2.55% 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.
The Mosaic Co PB Ratio Related Terms
The Mosaic Co PB Ratio Historical Data
* Premium members only.
The historical data trend for The Mosaic 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 Agricultural Inputs subindustry, The Mosaic 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.
The Mosaic Co PB Ratio vs Agriculture Industry
For the Agriculture industry and Basic Materials sector, The Mosaic Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where The Mosaic 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.
The Mosaic 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.
The Mosaic Co (BSP:MOSC34) has a PB Ratio of 0.56 as of Jun. 25, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on The Mosaic Co and its competitors. This is 40% below median its historical median of 0.94. Over the past decade, The Mosaic Co's PB Ratio has ranged from 0.40 to 2.48. According to the industry distribution chart, The Mosaic Co ranks #37 out of 249 companies in the Agriculture industry, placing it in the top 14.9%.
Is The Mosaic Co's PB Ratio too high?
The Mosaic Co's current PB Ratio of 0.56 is 40% below median its 10-year median of 0.94. Over the past 10 years, this metric has ranged from a low of 0.40 to a high of 2.48. The Agriculture industry median PB Ratio is 1.51. The Mosaic Co's value of 0.56 is 62.9% below this industry median. Based on the distribution chart, The Mosaic Co ranks #37 out of 249 companies in the Agriculture industry, which is in the top quartile — a strong position relative to peers. Overall, The Mosaic Co has a GF Score™ of 56/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does The Mosaic Co's PB Ratio compare to SMG and FMC?
According to the Agriculture industry distribution chart, The Mosaic Co ranks #37 out of 249 companies for PB Ratio. This places The Mosaic Co in the top 15% of its industry — outperforming the majority of peers. The industry median PB Ratio is 1.51. The Mosaic Co's value of 0.56 is 62.9% below this benchmark. Historically, The Mosaic Co's own PB Ratio has ranged from 0.40 to 2.48 over the past decade. While the company's 10-year median is 0.94 vs. the industry median of 1.51, The Mosaic Co has consistently been below 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 an Agriculture company?
The median PB Ratio among Agriculture companies is 1.51, based on 249 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. The Mosaic Co's current PB Ratio of 0.56 is 62.9% below 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 The Mosaic Co and its competitors. For the Agriculture industry, the median PB Ratio is 1.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. The Mosaic Co's current PB Ratio is 0.56, which is 40% below median its own 10-year median of 0.94. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is The Mosaic Co stock overvalued right now?
Based on GuruFocus' analysis, The Mosaic Co (BSP:MOSC34) is currently considered Modestly Undervalued. The stock's GF Value™ is R$25.43, compared to a current price of R$18.13 — trading 28.7% below its estimated fair value. The current PB Ratio is 0.56, which is 40% below median its 10-year median of 0.94 and 62.9% below the Agriculture industry median of 1.51. The Mosaic Co's overall GF Score™ is 56/100 with 8 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 The Mosaic Co (BSP:MOSC34), the current PB Ratio is 0.56 as of Jun. 25, 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 The Mosaic Co (BSP:MOSC34) Overvalued in 2026?
Based on GuruFocus' analysis, The Mosaic Co stock appears to be undervalued.
The current stock price of R$18.13 is trading 28.7% below its estimated GF Value™ of R$25.43.
GuruFocus considers The Mosaic Co to be Modestly Undervalued.
Key valuation signals for BSP:MOSC34:
PB Ratio: 0.56 (40% below median its 10-year median of 0.94)
GF Value™: R$25.43 vs. price of R$18.13 (28.7% below fair value)
Industry Position: 62.9% below the Agriculture median (#37 of 249)
No single metric tells the full story. See the BSP:MOSC34 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Mosaic is one of the largest phosphate and potash producers in the world. The company's assets include phosphate rock mines in the US and potash mines in Canada. Mosaic also runs a large fertilizer distribution operation in Brazil through its Mosaic Fertilizantes business.
56GF Score
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