SeniorSNIRF 58 PB Ratio is 3.09 as of Jul. 01, 2026, which is 98% above its 10-year median of 1.56. GuruFocus rates SNIRF with a GF Score™ of 58/100 and a GF Value™ of $1.90 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 339 Aerospace & Defense companies, Senior ranks better than 58.7% 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 (2026-07-01), Senior's share price is $3.81. Senior's Book Value per Share for the quarter that ended in Dec. 2025 was $1.24. Hence, Senior's PB Ratio of today is 3.09.
Warning Sign:
Senior PLC stock PB Ratio (=3.12) is close to 10-year high of 3.34.
The historical rank and industry rank for Senior's PB Ratio or its related term are showing as below:
SNIRF'
s PB Ratio Range Over the Past 10 Years
Min: 0.32 Med: 1.56 Max: 3.34
Current: 3.18
During the past 13 years, Senior's highest PB Ratio was 3.34. The lowest was 0.32. And the median was 1.56.
SNIRF's PB Ratio is ranked better than 58.7% of 339
companies
in the Aerospace & Defense industry
Industry Median: 3.76
vs SNIRF: 3.18
During the past 12 months, Senior's average Book Value Per Share Growth Rate was -18.80% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -5.30% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 0.80% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -1.70% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Senior was 17.80% per year. The lowest was -13.80% per year. And the median was 3.90% 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.
Senior PB Ratio Related Terms
Senior PB Ratio Historical Data
* Premium members only.
The historical data trend for Senior'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 Aerospace & Defense subindustry, Senior'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.
Senior PB Ratio vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Senior's PB Ratio distribution charts can be found below:
* The bar in red indicates where Senior'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.
Senior'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.
Senior (SNIRF) has a PB Ratio of 3.09 as of Jul. 01, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Senior and its competitors. This is 98% above median its historical median of 1.56. Over the past decade, Senior's PB Ratio has ranged from 0.32 to 3.34. According to the industry distribution chart, Senior ranks #140 out of 339 companies in the Aerospace & Defense industry, placing it in the top 41.3%.
Is Senior's PB Ratio too high?
Senior's current PB Ratio of 3.09 is 98% above median its 10-year median of 1.56. Over the past 10 years, this metric has ranged from a low of 0.32 to a high of 3.34. The Aerospace & Defense industry median PB Ratio is 3.76. Senior's value of 3.09 is 17.8% below this industry median. Based on the distribution chart, Senior ranks #140 out of 339 companies in the Aerospace & Defense industry, which is above the industry midpoint. Overall, Senior has a GF Score™ of 58/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Senior's PB Ratio compare to SPCX and GE?
According to the Aerospace & Defense industry distribution chart, Senior ranks #140 out of 339 companies for PB Ratio. This puts Senior in the upper half of its industry. The industry median PB Ratio is 3.76. Senior's value of 3.09 is 17.8% below this benchmark. Historically, Senior's own PB Ratio has ranged from 0.32 to 3.34 over the past decade. While the company's 10-year median is 1.56 vs. the industry median of 3.76, Senior 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 Aerospace & Defense company?
The median PB Ratio among Aerospace & Defense companies is 3.76, based on 339 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. Senior's current PB Ratio of 3.09 is 17.8% 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 Senior and its competitors. For the Aerospace & Defense industry, the median PB Ratio is 3.76 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Senior's current PB Ratio is 3.09, which is 98% above median its own 10-year median of 1.56. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Senior stock overvalued right now?
Based on GuruFocus' analysis, Senior (SNIRF) is currently considered Significantly Overvalued. The stock's GF Value™ is $1.90, compared to a current price of $3.81 — trading 100.5% above its estimated fair value. The current PB Ratio is 3.09, which is 98% above median its 10-year median of 1.56 and 17.8% below the Aerospace & Defense industry median of 3.76. Senior's overall GF Score™ is 58/100 with 6 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 Senior (SNIRF), the current PB Ratio is 3.09 as of Jul. 01, 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 Senior (SNIRF) Overvalued in 2026?
Based on GuruFocus' analysis, Senior stock appears to be overvalued.
The current stock price of $3.81 is trading 100.5% above its estimated GF Value™ of $1.90.
GuruFocus considers Senior to be Significantly Overvalued.
Key valuation signals for SNIRF:
PB Ratio: 3.09 (98% above median its 10-year median of 1.56)
GF Value™: $1.90 vs. price of $3.81 (100.5% above fair value)
Industry Position: 17.8% below the Aerospace & Defense median (#140 of 339)
No single metric tells the full story. See the SNIRF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Senior PLC produces technology components and systems for original equipment manufacturers in aerospace, defense, land vehicles, and energy markets. It is divided into two divisions: Aerospace and Flexonics. Aerospace technology provides products and systems for demanding applications in aerospace & defense and adjacent markets, its products include fluid conveyance, and thermal management components. Flexonics provides technology products and systems for demanding applications in land vehicles, power & energy, and adjacent markets, its products include petrochemicals, renewable energy, and a variety of other industrial applications. The company has revenue from its Aerospace Segment. Its Operations are located in North America and Europe, majority of revenue from USA.
58GF Score
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