What is Westlake's market cap?

Westlake (WLK) has a market capitalization of $9.3B and trades on NYSE.

What is Westlake's revenue and profitability?

Westlake generated $11.0B in trailing twelve-month revenue with a net loss of $1.6B, representing a net margin of -14.9%. Gross margin stands at 6.3%, with free cash flow of -$508.0M. These figures are based on the Q1 2026 filing.

Who are Westlake's competitors?

Westlake's key competitors include Olin Corporation, Dow Inc., James Hardie, and others. These companies compete in similar markets and product categories.

Who does Westlake partner with?

Westlake's notable partners include LACC, LLC.

What subsidiaries does Westlake have?

Westlake's subsidiaries include Westlake Chemical Partners LP, Westlake Chemical OpCo LP, Westlake Epoxy, and others.

Where is Westlake headquartered?

Westlake is headquartered in United States of America and employs approximately 15,520 people. It has been publicly traded since 2004.

Westlake

WLK

Westlake Corporation is a vertically integrated global manufacturer of housing and infrastructure products and performance and essential materials.

Market cap

$9.27B-9.3%

Revenue$11.0B-8.6%

Net income-$1.6B-522%

Free cash flow-$508.0M-705%

EPS (diluted)-$12.70-526%

Trailing twelve months · change vs. prior year

Table of contents

Earnings

Q2 2026 report

May 5, 2026

Revenue$2.7BMiss by $133.8M EPS-$0.77Miss by $0.55

Read the full report

Next report

Aug 4, 2026 (In 6 days)

Revenue estimate$3.2B

EPS estimate$1.83

Financials

Q1 2026

Income statement

See full

Revenue$2.7B-6.8%

Gross profit$112.0M-51.7%

Operating income-$172.0M-438%

Net income-$169.0M-323%

EPS (diluted)-$1.31-323%

Balance sheet

See full

Cash & equivalents$2.3B-1.1%

Total debt$6.4B+16.9%

Total equity$8.5B-17.9%

Total assets$19.7B-4.8%

Cash flow

See full

Operating cash flow-$94.0M-22.1%

CapEx$209.0M-15.7%

Free cash flow-$303.0M+6.8%

Valuation & ratios

Valuation

See full

Market cap$9.27B-9.3%

Enterprise value$13.36B-7.4%

P/S0.8×-0.1×

Profitability

See full

Gross margin6.3%-8.0pp

Operating margin-15.7%-20.8pp

Net margin-14.9%-18.1pp

FCF margin-4.6%-5.3pp

Returns & leverage

See full

Return on equity-17.3%-21.0pp

Debt / equity0.7×+0.2×

Current ratio2.2×-0.5×

Segments

By product

See full

Performance Materials$1.0B-5.0%

Housing Products$788.0M-6.0%

Essential Materials$656.0M-17.4%

Infrastructure Products$205.0M+29.7%

By segment

See full

Performance and Essential Materials Segment$1.7B-10.3%

Housing and Infrastructure Products Segment$993.0M-0.3%

Competitors

By market cap

Exxon Mobil$641.51B+33.6%

Dow$20.8B+14.0%

LyondellBasell Industries N.V.$18.9B-6.4%

JHX

James Hardie Industries plc$15.5B—

Westlake$9.3B-15.8%

Trex Company$4.6B-36.8%

Olin$2.5B+4.0%

Future Fuel$202.6M+10.2%

By revenue growth

Westlake-8.6%

LyondellBasell Industries N.V.-9.4%

Future Fuel-45.6%

By net margin

Trex Company16.25%-2.5pp

Exxon Mobil7.57%-1.9pp

LyondellBasell Industries N.V.-2.66%-9.2pp

Dow-2.7%-0.6pp

Olin-2.76%-3.7pp

Westlake-14.91%-18.1pp

Future Fuel-47.51%-44.1pp

Profile

Westlake Corporation is a vertically integrated global manufacturer of housing and infrastructure products and performance and essential materials. The company leverages a highly integrated materials chain, converting feedstocks like ethylene and chlor-alkali into downstream products such as vinyls, polyethylene, and building materials. Its value proposition centers on operational excellence and cost advantages derived from significant internal sourcing of raw materials.

Competitive position

A leading global producer of chlor-alkali and PVC with a highly integrated low-cost production model.

GeographiesNorth America, Europe, Asia

Customer segmentsConstruction, Infrastructure, Consumer Packaging, Healthcare, Automotive

Business modelVertical integration, Manufacturing, B2B, Licensing

SuppliersEthane, Natural gas liquids, Salt brine, Electricity, Butene and hexene

CustomersResidential construction firms, Municipal water authorities, Food and beverage packagers, Automotive OEMs, Wind turbine manufacturers

CountryUnited States of America

Listed2004

Employees15.5K

CEOJean-Marc Gilson

SectorBasic Materials

IndustryChemicals - Specialty

Websitewestlake.com

FilingsSEC EDGAR

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Questions, answered.

What is Westlake's market cap?: Westlake (WLK) has a market capitalization of $9.3B and trades on NYSE.
What is Westlake's revenue and profitability?: Westlake generated $11.0B in trailing twelve-month revenue with a net loss of $1.6B, representing a net margin of -14.9%. Gross margin stands at 6.3%, with free cash flow of -$508.0M. These figures are based on the Q1 2026 filing.
Who are Westlake's competitors?: Westlake's key competitors include Olin Corporation, Dow Inc., James Hardie, and others. These companies compete in similar markets and product categories.
Who does Westlake partner with?: Westlake's notable partners include LACC, LLC.
What subsidiaries does Westlake have?: Westlake's subsidiaries include Westlake Chemical Partners LP, Westlake Chemical OpCo LP, Westlake Epoxy, and others.
Where is Westlake headquartered?: Westlake is headquartered in United States of America and employs approximately 15,520 people. It has been publicly traded since 2004.