Enphase EnergyENPH -1.28%76 PB Ratio is 5.64 as of Jun. 26, 2026, which is 73% below its 10-year median of 20.69. GuruFocus rates ENPH with a GF Score™ of 76/100 and a GF Value™ of $62.52 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 1,000 Semiconductors companies, Enphase Energy ranks worse than 64.9% 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), Enphase Energy's share price is $47.21. Enphase Energy's Book Value per Share for the quarter that ended in Mar. 2026 was $8.37. Hence, Enphase Energy's PB Ratio of today is 5.64.
The historical rank and industry rank for Enphase Energy's PB Ratio or its related term are showing as below:
ENPH'
s PB Ratio Range Over the Past 10 Years
Min: 3.54 Med: 20.69 Max: 145.64
Current: 5.64
During the past 13 years, Enphase Energy's highest PB Ratio was 145.64. The lowest was 3.54. And the median was 20.69.
ENPH's PB Ratio is ranked worse than 64.9% of 1000
companies
in the Semiconductors industry
Industry Median: 3.765
vs ENPH: 5.64
During the past 12 months, Enphase Energy's average Book Value Per Share Growth Rate was 35.40% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 11.10% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 19.20% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Enphase Energy was 372.20% per year. The lowest was -72.00% per year. And the median was 24.50% 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.
Enphase Energy PB Ratio Related Terms
Enphase Energy PB Ratio Historical Data
* Premium members only.
The historical data trend for Enphase Energy'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 Solar subindustry, Enphase Energy'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.
Enphase Energy PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Enphase Energy's PB Ratio distribution charts can be found below:
* The bar in red indicates where Enphase Energy'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.
Enphase Energy'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.
Enphase Energy (ENPH) has a PB Ratio of 5.64 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 Enphase Energy and its competitors. This is 73% below median its historical median of 20.69. Over the past decade, Enphase Energy's PB Ratio has ranged from 3.54 to 145.64. According to the industry distribution chart, Enphase Energy ranks #649 out of 1000 companies in the Semiconductors industry, placing it in the top 64.9%.
Is Enphase Energy's PB Ratio too high?
Enphase Energy's current PB Ratio of 5.64 is 73% below median its 10-year median of 20.69. Over the past 10 years, this metric has ranged from a low of 3.54 to a high of 145.64. The Semiconductors industry median PB Ratio is 3.77. Enphase Energy's value of 5.64 is 49.8% above this industry median. Based on the distribution chart, Enphase Energy ranks #649 out of 1000 companies in the Semiconductors industry, which is below the industry midpoint. Overall, Enphase Energy has a GF Score™ of 76/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Enphase Energy's PB Ratio compare to SEDG and RUN?
According to the Semiconductors industry distribution chart, Enphase Energy ranks #649 out of 1000 companies for PB Ratio. This places Enphase Energy in the lower half of its industry. The industry median PB Ratio is 3.77. Enphase Energy's value of 5.64 is 49.8% above this benchmark. Historically, Enphase Energy's own PB Ratio has ranged from 3.54 to 145.64 over the past decade. While the company's 10-year median is 20.69 vs. the industry median of 3.77, Enphase Energy 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 Semiconductors company?
The median PB Ratio among Semiconductors companies is 3.77, based on 1,000 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. Enphase Energy's current PB Ratio of 5.64 is 49.8% 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 Enphase Energy and its competitors. For the Semiconductors industry, the median PB Ratio is 3.77 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Enphase Energy's current PB Ratio is 5.64, which is 73% below median its own 10-year median of 20.69. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Enphase Energy stock overvalued right now?
Based on GuruFocus' analysis, Enphase Energy (ENPH) is currently considered Modestly Undervalued. The stock's GF Value™ is $62.52, compared to a current price of $47.21 — trading 24.5% below its estimated fair value. The current PB Ratio is 5.64, which is 73% below median its 10-year median of 20.69 and 49.8% above the Semiconductors industry median of 3.77. Enphase Energy's overall GF Score™ is 76/100 with 5 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 Enphase Energy (ENPH), the current PB Ratio is 5.64 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 Enphase Energy (ENPH) Overvalued in 2026?
Based on GuruFocus' analysis, Enphase Energy stock appears to be undervalued.
The current stock price of $47.21 is trading 24.5% below its estimated GF Value™ of $62.52.
GuruFocus considers Enphase Energy to be Modestly Undervalued.
Key valuation signals for ENPH:
PB Ratio: 5.64 (73% below median its 10-year median of 20.69)
GF Value™: $62.52 vs. price of $47.21 (24.5% below fair value)
Industry Position: 49.8% above the Semiconductors median (#649 of 1000)
No single metric tells the full story. See the ENPH stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Enphase Energy is a global energy technology company. It delivers smart, easy-to-use solutions that manage solar generation, storage, and communication on one platform. The company's microinverter technology primarily serves the rooftop solar market and produces a fully integrated solar-plus-storage solution. Enphase derives a majority of revenue from the United States.
76GF Score
Get the complete analysis for ENPH
PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ENPH has been successfully added to your 
