Gibraltar Industries, Inc. (ROCK) Stock

Gibraltar Industries, Inc. (ROCK) is a Materials stock trading at $44.17 (as of 2026-09-02), with a market capitalization of $1.31B. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Gibraltar Industries manufactures and distributes building products for renewable energy, residential, agtech, and infrastructure markets in North America and Asia, operating across four segments: Renewables, Residential, Agtech, and Infrastructure. The company’s offerings include solar racking and related electrical components, residential building and parcel solutions, and agtech growing and processing systems.

Understand Gibraltar Industries, Inc.: how it makes money

Gibraltar makes solar racking systems, residential ventilation units, mailboxes, and Agtech greenhouse structures, selling to installers, homebuilders, farmers, and infrastructure contractors. The mix is dominated by Residential (70% of revenue), with Agtech (15%) and Infrastructure (5%) smaller but project-driven, and Renewables filling the remainder.

Revenue by segment (latest quarter)
Residential$0.3B
Agtech$0.1B
Infrastructure$0.0B
Other$0.0B

Business quality (Weak): Strong post-acquisition top-line growth masks a still-unprofitable operation: 22% gross margin, negative 1% operating margin, and 3.9x leverage leave little cushion if aluminum runs hot or Residential demand stalls.

Bull case

  • Price-materials gap flips positive: Management expects price-material economics to turn positive in Q2 (Q1 FY26 call). That directly lifts the 22% gross margin and pulls the operating line away from negative 1%, resolving the aluminum cost lag that suppressed the quarter.
  • AgTech backlog funds visibility: AgTech backlog of $84 million supports management's four-year plan (Q1 FY26 call). In a segment already growing 23.6% YoY on project-based contracts, that contracted pipeline de-risks the near-term revenue outlook.
  • Commercial initiatives add EBITDA: Commercial initiatives are expected to contribute $4.3 million to 2026 EBITDA (Q1 FY26 call). On a company still at negative 1% operating margin, a $4.3 million add is material for the path to breakeven.

Bear case

  • Residential core is shrinking organically: Residential organic sales fell 3% in Q1 (Q1 FY26 call), meaning the reported segment growth is acquisition-inflated while the underlying mailbox and vent business is contracting. At 70% of revenue, that organic drag is hard to outgrow.
Valuation — source: SEC EDGAR (first-party)
Price$44.17
Market Cap$1.31B
EV / EBITDA20.5
Price / Book1.49
Price / Sales1.09
FCF Yield9.2%
DCF Value (model)$45.47
DCF Upside vs Price2.9%
Profitability & Growth — source: SEC EDGAR
Revenue (TTM)$1.14B
Net Margin-3.9%
Revenue Growth (YoY)22.9%
EPS Growth (YoY)-422.9%
FCF Growth (YoY)-2193.4%
Financial Health — source: SEC EDGAR
Altman Z-Score3.88 (safe)
Piotroski F-Score3/9 (weak)
Valuation vs Sector & Industry
Sector P/E (Materials)23.9
Industry P/E (Steel Works)21.0
Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional HolderBlackRock, Inc. ($201.30M)
Institutional Holders Tracked10
Company
SectorMaterials
IndustrySteel Works
CEOWilliam T. Bosway
Employees2,097
CountryUS
IPO Date1993-11-05

Gibraltar Industries, Inc. earnings call transcripts

  • ROCK Q1 FY26 earnings call transcript (reported 2026-05-07) · analysis
  • ROCK Q4 FY25 earnings call transcript (reported 2026-02-26) · analysis
  • ROCK Q2 FY25 earnings call transcript (reported 2025-08-06) · analysis

All ROCK earnings calls

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ROCK earnings history · ROCK institutional & insider holders · ROCK KPIs & operating metrics · ROCK financials · ROCK investor presentations & press releases · ROCK SEC filings · ROCK peers · Congress trades · Insider trades · Short interest · Stock screener

Data as of 2026-09-02.

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