SAM (Boston Beer Co) 3-Year Book Growth Rate: -2.40% (As of Jun. 2026)

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.

SAM Boston Beer Co Inc SAM
77 GF Score
Price $180.99
GF Value $265.11
Valuation Significantly Undervalued
! 1 Warning Sign
View Full Analysis

What is Boston Beer Co 3-Year Book Growth Rate?

Boston Beer Co SAM -3.01% 77 3-Year Book Growth Rate is -2.40% as of Jun. 2026. GuruFocus rates SAM with a GF Score™ of 77/100 and a GF Value™ of $265.11 (Significantly Undervalued). The stock has 1 warning sign investors should review. Among 191 Beverages - Alcoholic companies, Boston Beer Co ranks worse than 72.77% on this metric.

Boston Beer Co's Book Value per Share for the quarter that ended in Jun. 2026 was $69.43.

During the past 12 months, Boston Beer Co's average Book Value per Share Growth Rate was -16.70% per year. During the past 3 years, the average Book Value per Share Growth Rate was -2.40% per year. During the past 5 years, the average Book Value per Share Growth Rate was 0.50% per year. During the past 10 years, the average Book Value per Share Growth Rate was 11.30% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.

During the past 13 years, the highest 3-Year average Book Value per Share Growth Rate of Boston Beer Co was 32.30% per year. The lowest was -2.40% per year. And the median was 12.70% per year.


Boston Beer Co  (NYSE:SAM) 3-Year Book Growth Rate Explanation

Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.


Boston Beer Co 3-Year Book Growth Rate Related Terms


SAM vs TAP, STZ: 3-Year Book Growth Rate Comparison

For the Beverages - Brewers subindustry, Boston Beer Co's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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.


Boston Beer Co 3-Year Book Growth Rate vs Beverages - Alcoholic Industry

For the Beverages - Alcoholic industry and Consumer Defensive sector, Boston Beer Co's 3-Year Book Growth Rate distribution charts can be found below:

* The bar in red indicates where Boston Beer Co's 3-Year Book Growth Rate falls into.


SAM
77GF Score
Boston Beer Co Inc SAM
3-Year Book Growth Rate is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Boston Beer Co 3-Year Book Growth Rate Calculation

This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.

Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average Book Value per Share growth rate.

What does a 3-Year Book Growth Rate of -2.40% mean?
Boston Beer Co (SAM) has a 3-Year Book Growth Rate of -2.40% as of Jun. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Boston Beer Co and its competitors. According to the industry distribution chart, Boston Beer Co ranks #139 out of 191 companies in the Beverages - Alcoholic industry, placing it in the top 72.8%.
Is Boston Beer Co's 3-Year Book Growth Rate too high?
Boston Beer Co's current 3-Year Book Growth Rate is -2.40%. Based on the distribution chart, Boston Beer Co ranks #139 out of 191 companies in the Beverages - Alcoholic industry, which is below the industry midpoint. Overall, Boston Beer Co has a GF Score™ of 77/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Boston Beer Co's 3-Year Book Growth Rate compare to TAP and STZ?
According to the Beverages - Alcoholic industry distribution chart, Boston Beer Co ranks #139 out of 191 companies for 3-Year Book Growth Rate. This places Boston Beer Co in the lower half of its industry. The industry median 3-Year Book Growth Rate is 2.40. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Book Growth Rate for a Beverages - Alcoholic company?
The median 3-Year Book Growth Rate among Beverages - Alcoholic companies is 2.40, based on 191 companies in the industry. Companies in the top quartile (top 25%) have a 3-Year Book Growth Rate significantly above this median, while those in the bottom quartile fall well below. However, 3-Year Book Growth Rate should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Boston Beer Co and its competitors. For the Beverages - Alcoholic industry, the median 3-Year Book Growth Rate is 2.40 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Boston Beer Co's current 3-Year Book Growth Rate is -2.40%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Boston Beer Co stock overvalued right now?
Based on GuruFocus' analysis, Boston Beer Co (SAM) is currently considered Significantly Undervalued. The stock's GF Value™ is $265.11, compared to a current price of $180.99 — trading 31.7% below its estimated fair value. The current 3-Year Book Growth Rate is -2.40%. Boston Beer Co's overall GF Score™ is 77/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For Boston Beer Co (SAM), the current 3-Year Book Growth Rate is -2.40% as of Jun. 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 Boston Beer Co (SAM) Overvalued in 2026?

Based on GuruFocus' analysis, Boston Beer Co stock appears to be undervalued. The current stock price of $180.99 is trading 31.7% below its estimated GF Value™ of $265.11. GuruFocus considers Boston Beer Co to be Significantly Undervalued.

Key valuation signals for SAM:

  • 3-Year Book Growth Rate: -2.40%
  • GF Value™: $265.11 vs. price of $180.99 (31.7% below fair value)
  • GF Score™: 77/100 with 1 warning sign

No single metric tells the full story. See the SAM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Boston Beer Co Business Description

Other Exchanges BBEA:Germany
Address One Design Center Place, Suite 850, Boston, MA, USA, 02210
Boston Beer is a top player in high-end malt beverages and adjacent categories in the US, with strong positions in craft beer, flavored malt beverages, hard cider, and hard seltzer. The bulk of volume and revenue is concentrated in four brands: Samuel Adams, Angry Orchard, Twisted Tea, and Truly. Beverages are produced using a hybrid model leveraging both in-house capacities and third-party breweries through contract arrangements. While the firm is required to use distributors to reach end markets, including retailers and on-premises operators, it also employs 500 internal sales representatives to educate the market about its products. The firm generates almost all sales in the US.
77GF Score

Get the complete analysis for SAM

3-Year Book Growth Rate is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$180.99
Price
$265.11
GF Value