Acuity Brands, Inc. (AYI) Stock

Acuity Brands, Inc. (AYI) is a Industrials stock trading at $341.69 (as of 2026-08-20), with a market capitalization of $10.23B and a trailing P/E of 22.5. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Acuity Brands, Inc. provides lighting and building management solutions through two segments: Acuity Brands Lighting and Lighting Controls (ABL) and the Intelligent Spaces Group (ISG). ABL offers commercial and specialty lighting products and lighting controls for indoor and outdoor applications, while ISG supplies building management systems and location-aware solutions for system integrators and commercial customers.

Understand Acuity Brands, Inc.: how it makes money

Acuity Brands provides lighting and building management solutions, selling commercial, architectural, and specialty lighting plus lighting controls and related components, it makes money through net sales in its Acuity Brands Lighting and Lighting Controls (ABL) and Intelligent Spaces Group (ISG) segments.

Profitability is driven by turning demand into net sales across its ABL lighting and lighting controls and its smaller ISG Intelligent Spaces business, while keeping inventory efficiently managed (inventory days) to support operating performance.

Revenue by segment (latest quarter)
ABL	$0.9B
ISG	$0.3B

Business quality (Mixed): Good, there is a clean two segment view (ABL, ISG) and usable operational metrics tied to sales channel scale and inventory efficiency, with less direct visibility into product level drivers beyond net sales.

Valuation: At 24× earnings, AYI trades 32% below the Electrical Equipment average (35×). Note: one-time items can distort reported P/E.

Bull case

Inventory efficiency is an explicit operating focus: The company tracks Inventory Days Reduction, which points to active working capital management as a contributor to operating performance.
Core lighting business is larger than ISG: In the provided segment figures, ABL accounts for about $0.95B of net sales versus ISG at about $0.25B, giving a larger base from lighting and lighting controls.

Bear case

ISG is a smaller portion of sales: With ISG at about $0.25B versus ABL at about $0.95B, weaker ISG performance could be less offset if ABL trends soften.
Working capital execution risk: Because Inventory Days Reduction is an operating metric, deterioration in inventory efficiency could pressure operating results.

Valuation — source: SEC EDGAR (first-party)
Price	$341.69
Market Cap	$10.23B
P/E Ratio	22.5
EV / EBITDA	13.5
Price / Book	3.59
Price / Sales	2.30
FCF Yield	9.3%
DCF Value (model)	$193.73
DCF Upside vs Price	-43.3%

Profitability & Growth — source: SEC EDGAR
Revenue (TTM)	$4.35B
Net Margin	9.1%
Revenue Growth (YoY)	1.6%
EPS Growth (YoY)	46.1%
FCF Growth (YoY)	29.9%

Financial Health — source: SEC EDGAR
Altman Z-Score	5.86 (safe)
Piotroski F-Score	5/9 (moderate)

Valuation vs Sector & Industry
Stock P/E	22.5
Sector P/E (Industrials)	25.9
Industry P/E (Electrical Equipment)	37.8
vs Sector	-13.2%
vs Industry	-40.5%

Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional Holder	VANGUARD GROUP INC ($1.07B)
Institutional Holders Tracked	10

Company
Sector	Industrials
Industry	Electrical Equipment
CEO	Neil Ashe
Employees	13,200
Country	US
IPO Date	2001-12-03

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Data as of 2026-08-20.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.