Alumasc Group (LSE:ALU) Insider Ownership: 27.82 % (As of Sep. 21, 2026)

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LSE:ALU Alumasc Group PLC LSE:ALU
67 GF Score
Price £2.30
GF Value £2.55
Valuation Modestly Undervalued
! 1 Warning Sign
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What is Alumasc Group Insider Ownership?

Alumasc Group LSE:ALU +0.66% 67 Insider Ownership is 27.82 % as of Sep. 21, 2026. GuruFocus rates LSE:ALU with a GF Score™ of 67/100 and a GF Value™ of £2.55 (Modestly Undervalued). The stock has 1 warning sign investors should review.

Insider ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Alumasc Group's insider ownership is 27.82%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Alumasc Group's Institutional Ownership is 12.21%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Alumasc Group's Float Percentage Of Total Shares Outstanding is 0.00%.

Alumasc Group Insider Ownership Historical Data

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The historical data trend for Alumasc Group's Insider Ownership 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.

Alumasc Group Insider Ownership Chart

Alumasc Group Historical Data

The historical data trend for Alumasc Group can be seen below:

2025-08-31 2025-09-30 2025-10-31 2025-11-30 2026-01-31 2026-02-28 2026-05-31 2026-06-30 2026-07-31 2026-08-31
Insider Ownership 27.19 27.19 27.19 27.61 27.61 27.61 27.82 27.82 27.82 27.82
LSE:ALU
67GF Score
Alumasc Group PLC LSE:ALU
Insider Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Alumasc Group Insider Ownership Calculation

The percentage of shares that are owned by company insiders relative to the total shares outstanding.

Frequently Asked Questions Learn more about Insider Ownership →
What does a Insider Ownership of 27.82 % mean?
Alumasc Group (LSE:ALU) has a Insider Ownership of 27.82 % as of Sep. 21, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Alumasc Group and its competitors.
Is Alumasc Group's Insider Ownership too high?
Alumasc Group's current Insider Ownership is 27.82 %. Overall, Alumasc Group has a GF Score™ of 67/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Alumasc Group's Insider Ownership compare to AWK and WTRG?
Alumasc Group's Insider Ownership of 27.82 % can be compared against companies in the Utilities - Regulated industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Insider Ownership for an Utilities - Regulated company?
A good Insider Ownership depends on the Utilities - Regulated industry context. However, Insider Ownership 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 Insider Ownership mean?
A high Insider Ownership can signal that a stock is expensive relative to its fundamentals. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Alumasc Group and its competitors. Alumasc Group's current Insider Ownership is 27.82 %. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alumasc Group stock overvalued right now?
Based on GuruFocus' analysis, Alumasc Group (LSE:ALU) is currently considered Modestly Undervalued. The stock's GF Value™ is £2.55, compared to a current price of £2.30 — trading 9.8% below its estimated fair value. The current Insider Ownership is 27.82 %. Alumasc Group's overall GF Score™ is 67/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Insider Ownership calculated?
Insider Ownership is calculated from a company's financial statements. For Alumasc Group (LSE:ALU), the current Insider Ownership is 27.82 % as of Sep. 21, 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 Alumasc Group (LSE:ALU) Overvalued in 2026?

Based on GuruFocus' analysis, Alumasc Group stock appears to be undervalued. The current stock price of £2.30 is trading 9.8% below its estimated GF Value™ of £2.55. GuruFocus considers Alumasc Group to be Modestly Undervalued.

Key valuation signals for LSE:ALU:

  • Insider Ownership: 27.82 %
  • GF Value™: £2.55 vs. price of £2.30 (9.8% below fair value)
  • GF Score™: 67/100 with 1 warning sign

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

Alumasc Group Business Description

Other Exchanges 0JL:Germany
Address Station Road, Burton Latimer, Kettering, Northamptonshire, GBR, NN15 5JP
Alumasc Group PLC is a building product, system, and solution company. Its segment includes Water Management, Building Envelope, and Housebuilding Products. The company operates in the UK, Europe, North America, the Middle East, the Far East, and the Rest of the World. It generates the majority of its revenue from the United Kingdom. The company generates the majority of its revenue from Water Management, which provides rainwater and drainage products that capture, retain, and control the flow of rainwater inside and outside buildings from the original source to water course, sewer, or ground.
67GF Score

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

£2.30
Price
£2.55
GF Value