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.
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.
Insteel IndustriesIIIN -0.86%82 3-Year Book Growth Rate is -1.50% as of Jun. 2026. GuruFocus rates IIIN with a GF Score™ of 82/100 and a GF Value™ of $39.13 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 2,956 Industrial Products companies, Insteel Industries ranks worse than 78.82% on this metric.
During the past 12 months, Insteel Industries's average Book Value per Share Growth Rate was 4.50% per year.
During the past 3 years, the average Book Value per Share Growth Rate was -1.50% per year.
During the past 5 years, the average Book Value per Share Growth Rate was 6.10% per year.
During the past 10 years, the average Book Value per Share Growth Rate was 6.80% 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 Insteel Industries was 55.10% per year. The lowest was -33.00% per year. And the median was 5.10% per year.
Insteel Industries (NYSE:IIIN) 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.
Insteel Industries 3-Year Book Growth Rate Related Terms
IIIN vs MEC, TG, LQMT: 3-Year Book Growth Rate Comparison
For the Metal Fabrication subindustry, Insteel Industries'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.
Insteel Industries 3-Year Book Growth Rate vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Insteel Industries's 3-Year Book Growth Rate distribution charts can be found below:
* The bar in red indicates where Insteel Industries's 3-Year Book Growth Rate falls into.
Insteel Industries 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 -1.50% mean?
Insteel Industries (IIIN) has a 3-Year Book Growth Rate of -1.50% 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 Insteel Industries and its competitors. According to the industry distribution chart, Insteel Industries ranks #2330 out of 2956 companies in the Industrial Products industry, placing it in the top 78.8%.
Is Insteel Industries' 3-Year Book Growth Rate too high?
Insteel Industries' current 3-Year Book Growth Rate is -1.50%. Based on the distribution chart, Insteel Industries ranks #2330 out of 2956 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Insteel Industries has a GF Score™ of 82/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Insteel Industries' 3-Year Book Growth Rate compare to MEC and TG?
According to the Industrial Products industry distribution chart, Insteel Industries ranks #2330 out of 2956 companies for 3-Year Book Growth Rate. This places Insteel Industries in the lower half of its industry. The industry median 3-Year Book Growth Rate is 5.90. 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 an Industrial Products company?
The median 3-Year Book Growth Rate among Industrial Products companies is 5.90, based on 2,956 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 Insteel Industries and its competitors. For the Industrial Products industry, the median 3-Year Book Growth Rate is 5.90 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Insteel Industries's current 3-Year Book Growth Rate is -1.50%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Insteel Industries stock overvalued right now?
Based on GuruFocus' analysis, Insteel Industries (IIIN) is currently considered Modestly Undervalued. The stock's GF Value™ is $39.13, compared to a current price of $30.40 — trading 22.3% below its estimated fair value. The current 3-Year Book Growth Rate is -1.50%. Insteel Industries' overall GF Score™ is 82/100 with 5 warning signs 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 Insteel Industries (IIIN), the current 3-Year Book Growth Rate is -1.50% 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 Insteel Industries (IIIN) Overvalued in 2026?
Based on GuruFocus' analysis, Insteel Industries stock appears to be undervalued.
The current stock price of $30.40 is trading 22.3% below its estimated GF Value™ of $39.13.
GuruFocus considers Insteel Industries to be Modestly Undervalued.
Key valuation signals for IIIN:
3-Year Book Growth Rate: -1.50%
GF Value™: $39.13 vs. price of $30.40 (22.3% below fair value)
No single metric tells the full story. See the IIIN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Insteel Industries Inc produces and sells prestressed concrete strand (PC strand) and welded wire reinforcement (WWR). PC strand, a high-strength seven-wire cable, is used to strengthen precast concrete in structures like bridges, parking decks, and buildings, enabling longer spans and slimmer designs. WWR includes engineered structural mesh for primary reinforcement, concrete pipe reinforcement for drainage and sewage systems, and standard WWR for crack control in residential and light commercial construction. The company serves markets in the United States and internationally, with the majority of revenue generated in the United States.
82GF Score
Get the complete analysis for IIIN
3-Year Book Growth Rate is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
IIIN has been successfully added to your 
