JBI (Janus International Group) Market Cap: $623.5 Mil (As of Sep. 10, 2026)

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JBI Janus International Group Inc JBI
67 GF Score
Price $4.57
GF Value $8.99
Valuation Significantly Undervalued
! 3 Warning Signs
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What is Janus International Group Market Cap?

Janus International Group JBI -1.72% 67 Market Cap is $623.5 Mil as of Sep. 10, 2026. GuruFocus rates JBI with a GF Score™ of 67/100 and a GF Value™ of $8.99 (Significantly Undervalued). The stock has 3 warning signs investors should review. Among 1,820 Construction companies, Janus International Group ranks better than 75.49% on this metric.

Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). Janus International Group's share price for the quarter that ended in Jun. 2026 was $5.55. Janus International Group's Shares Outstanding (EOP) for the quarter that ended in Jun. 2026 was 136.5 Mil. Therefore, Janus International Group's market cap for the quarter that ended in Jun. 2026 was $757.4 Mil.

Janus International Group's quarterly market cap declined from Dec. 2025 ($908.1 Mil) to Mar. 2026 ($702.4 Mil) but then increased from Mar. 2026 ($702.4 Mil) to Jun. 2026 ($757.4 Mil).

Janus International Group's annual market cap declined from Dec. 2023 ($1,916.5 Mil) to Dec. 2024 ($1,029.0 Mil) and declined from Dec. 2024 ($1,029.0 Mil) to Dec. 2025 ($908.1 Mil).

Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. Janus International Group's Enterprise Value for Today is $1,049.1 Mil.


Janus International Group  (NYSE:JBI) Market Cap Explanation

Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the company’s debt. The real price you pay is the Enterprise Value.

Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.


Janus International Group Market Cap Related Terms


Janus International Group Market Cap Historical Data

* Premium members only.

The historical data trend for Janus International Group's Market Cap 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.

Janus International Group Market Cap Chart

Janus International Group Annual Data
Trend Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Market Cap
Get a 7-Day Free Trial 1,834.96 1,396.62 1,916.54 1,029.03 908.12

Janus International Group Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Market Cap Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 1,130.35 1,370.06 908.12 702.42 757.38

JBI vs SWIM, LMB, APOG: Market Cap Comparison

For the Building Products & Equipment subindustry, Janus International Group's Market Cap, along with its competitors' market caps and Market Cap 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.


Janus International Group Market Cap vs Construction Industry

For the Construction industry and Industrials sector, Janus International Group's Market Cap distribution charts can be found below:

* The bar in red indicates where Janus International Group's Market Cap falls into.


JBI
67GF Score
Janus International Group Inc JBI
Market Cap is just one metric. See GF Score™, valuation, warning signs, and more.
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Janus International Group Market Cap Calculation

Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.

Janus International Group's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as

Market Cap (A: Dec. 2025 )=Share Price (A: Dec. 2025 )*Shares Outstanding (EOP) (A: Dec. 2025 )
=$6.54*138.857
=$908.1

Janus International Group's Market Cap for the quarter that ended in Jun. 2026 is calculated as

Market Cap (Q: Jun. 2026 )=Share Price (Q: Jun. 2026 )*Shares Outstanding (EOP) (Q: Jun. 2026 )
=$5.55*136.465
=$757.4

* 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.

Frequently Asked Questions Learn more about Market Cap →
What does a Market Cap of $623.5 Mil mean?
Janus International Group (JBI) has a Market Cap of $623.5 Mil as of Sep. 10, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Janus International Group and its competitors. According to the industry distribution chart, Janus International Group ranks #446 out of 1820 companies in the Construction industry, placing it in the top 24.5%.
Is Janus International Group's Market Cap too high?
Janus International Group's current Market Cap is $623.5 Mil. The Construction industry median Market Cap is 123.69. Janus International Group's value of $623.5 Mil is 404.1% above this industry median. Based on the distribution chart, Janus International Group ranks #446 out of 1820 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, Janus International Group has a GF Score™ of 67/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Janus International Group's Market Cap compare to SWIM and LMB?
According to the Construction industry distribution chart, Janus International Group ranks #446 out of 1820 companies for Market Cap. This places Janus International Group in the top 25% of its industry — outperforming the majority of peers. The industry median Market Cap is 123.69. Janus International Group's value of $623.5 Mil is 404.1% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for a Construction company?
The median Market Cap among Construction companies is 123.69, based on 1,820 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Janus International Group's current Market Cap of $623.5 Mil is 404.1% 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 Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Janus International Group and its competitors. For the Construction industry, the median Market Cap is 123.69 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Janus International Group's current Market Cap is $623.5 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Janus International Group stock overvalued right now?
Based on GuruFocus' analysis, Janus International Group (JBI) is currently considered Significantly Undervalued. The stock's GF Value™ is $8.99, compared to a current price of $4.57 — trading 49.2% below its estimated fair value. The current Market Cap is $623.5 Mil and 404.1% above the Construction industry median of 123.69. Janus International Group's overall GF Score™ is 67/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For Janus International Group (JBI), the current Market Cap is $623.5 Mil as of Sep. 10, 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 Janus International Group (JBI) Overvalued in 2026?

Based on GuruFocus' analysis, Janus International Group stock appears to be undervalued. The current stock price of $4.57 is trading 49.2% below its estimated GF Value™ of $8.99. GuruFocus considers Janus International Group to be Significantly Undervalued.

Key valuation signals for JBI:

  • Market Cap: $623.5 Mil
  • GF Value™: $8.99 vs. price of $4.57 (49.2% below fair value)
  • GF Score™: 67/100 with 3 warning signs
  • Industry Position: 404.1% above the Construction median (#446 of 1820)

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


Janus International Group Business Description

Address 135 Janus International Boulevard, Temple, GA, USA, 30179
Janus International Group Inc is a manufacturer and supplier of turnkey solutions for self-storage, commercial, and industrial building Solutions. It provides products that include roll-up and swing doors, hallway systems, relocatable storage MASS (Moveable Additional Storage Structures) units, and technologies for automating facility and door operation. It is operated through two geographic regions; Janus North America and Janus International. The Janus International segment is comprised of a subsidiary whose production and sales are largely in Europe and Australia. The Janus North America segment is comprised of all the other entities.
67GF Score

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Market Cap is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$4.57
Price
$8.99
GF Value