Westlake Corporation (WLK) Stock

NYSE: WLKGlobal manufacturer of chemicals, vinyls, polymers, and building products.

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Westlake annual financials

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Westlake Corporation revenue, net income and EPS by fiscal year
Fiscal yearRevenueNet incomeEPS
FY2025$11.17B-$1.51B-$0.89
FY2024$12.14B$602.0M$5.59
FY2023$12.55B$479.0M$8.34
FY2022$15.79B$2.25B$17.46
FY2021$11.78B$2.02B$15.62

Fiscal year ending December 31. Source: company filings via EODHD.

About Westlake Corporation

Westlake Corporation manufactures and supplies petrochemicals, polymers, and building products on a global scale. The company operates through two primary segments: Performance and Essential Materials, and Housing and Infrastructure Products. The Performance and Essential Materials segment produces and markets polyethylene, styrene monomer, ethylene co-products, PVC, VCM, ethylene dichloride, chlor-alkali, and chlorinated derivative products. The Housing and Infrastructure Products segment manufactures and sells residential PVC siding, trim and moldings, roofing applications, decorative stone, windows, PVC decking, PVC films, polymer composite roof tiles, PVC pipe and fittings, and PVC compounds. Additionally, it produces various consumer and commercial products such as landscape edging, industrial matting, marine dock edging, and masonry joint controls.

Westlake's diverse product offerings serve a wide range of customers, including chemical processors, plastics fabricators, small construction contractors, municipalities, and supply warehouses. These products are used in various consumer and industrial markets, such as residential construction, flexible and rigid packaging, automotive products, healthcare products, water treatment, coatings, and other durable and non-durable goods. The company's extensive portfolio enables it to meet the demands of multiple industries with high-quality materials and innovative solutions.

Formerly known as Westlake Chemical Corporation, the company changed its name to Westlake Corporation in February 2022. Founded in 1986 and headquartered in Houston, Texas, Westlake Corporation is a subsidiary of TTWF LP. With a commitment to excellence and innovation, Westlake continues to play a crucial role in the petrochemical and building materials industries, providing essential products and services worldwide.

Westlake stock FAQ

What is the Westlake stock ticker symbol?

Westlake Corporation trades on the NYSE under the ticker symbol WLK.

What sector and industry is Westlake in?

Westlake Corporation is classified in the Basic Materials sector, Specialty Chemicals industry.

How many employees does Westlake have?

Westlake Corporation has about 14,600 full-time employees.

What were Westlake's revenue and earnings last fiscal year?

Westlake reported revenue of $11.17B and net income of -$1.51B in fiscal 2025, with earnings per share of -$0.89. Revenue declined 8.0% from the prior year.

Is Westlake in the S&P MidCap 400?

Yes. Westlake Corporation (WLK) is a component of the S&P MidCap 400, the benchmark index of U.S. mid-cap stocks.

Is Westlake in the Russell 1000?

Yes. Westlake Corporation (WLK) is a component of the Russell 1000, which tracks roughly the 1,000 largest U.S. companies.

When did Westlake go public?

Westlake stock began trading on August 11, 2004.

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