WESTLAKE CORP

WLK - CIK 0001262823

Market cap$11.16 B

Rank#880

SEC filings1,689

WESTLAKE CORP trades as WLK and has a market capitalization of $11.16 B, making it the #880 largest US-listed company by market value. In its fiscal 2025 annual report the company posted revenue of $11.17B, down 8.0% from the prior year and net income of -$1.51B. This page tracks WESTLAKE CORP through 1,689 SEC filings, with financial statements and metrics updated as new reports are filed.

Key metrics

Revenue (latest FY)$11.17BFY 2025

Net income (latest FY)-$1.51BFY 2025

Operating cash flow (latest FY)$465.00MFY 2025

Total assets (latest FY)$19.96BFY 2025

Gross margin7.3%latest FY

Net margin-13.5%latest FY

Financial performance

Over the last 9 fiscal years WESTLAKE CORP's revenue grew from $5.08B to $11.17B, a compound annual growth rate of 9.2%. Net profit margin compressed from 7.9% to -13.5% over the same period - every figure below comes from the company's audited annual filings.

WLK annual revenueView details

Key statistics

Market cap: $11.16 B
Share price (derived)market cap / shares outstanding: $87.12
EPS (diluted)FY 2025: $-11.70
Shares outstandingas of 2026-04-29: 0.13B
Total equityas of 2026-03-31: $8.55B
Return on equity: -17.6%
Long-term debtas of 2026-03-31: $5.57B
Cash & equivalentsas of 2026-03-31: $2.27B

Latest filings

Filing	Type	Filed
SD	-	2026-05-18
Major company event	8-K	2026-05-18
Insider trade	4	2026-05-14
Quarterly report	10-Q	2026-05-06
Major company event	8-K	2026-05-05
Major company event	8-K	2026-05-01
Major company event	8-K	2026-04-20
Major company event	8-K	2026-04-14

Browse the full filing history (1,689 filings)

Recent press releases

Westlake Corporation Reports First Quarter 2026 Results - 06:30
In the first quarter of 2026, Westlake reported net sales of $2.7 billion , a net loss of $169 million , or $1.31 per share, and EBITDA ( ...
Westlake Announces Fourth Quarter and Full Year Earnings for ...
Westlake Announces Fourth Quarter and Full Year Earnings for 2025 Conference Call ; Tuesday, February 24, 2026 . The company will host a ...
Westlake Corporation Declares Quarterly Dividend | Fri, 02/20/2026
20, 2026-- The Board of Directors of Westlake Corporation (NYSE: WLK) today declared a regular dividend distribution of $0.53 per share for the fourth quarter ...

Similar companies

The largest companies sharing WESTLAKE CORP's SEC industry classification (industrial organic chemicals).

LYBLyondellBasell Industries N.V.$21.22 B WLK vs LYB

IFFInternational Flavors & Fragrances Inc.$18.95 B WLK vs IFF

NEUNewMarket Corporation$7.18 B WLK vs NEU

SXTSensient Technologies Corporation$5.08 B WLK vs SXT

MEOHMethanex Corporation$4.55 B WLK vs MEOH

Frequently asked questions

What is WESTLAKE CORP's market cap?

WESTLAKE CORP (WLK) has a market capitalization of $11.16 B as of 2026-06-10, ranking #880 among US-listed companies.

How much revenue does WESTLAKE CORP make?

WESTLAKE CORP reported revenue of $11.17B for fiscal year 2025, a decrease of 8.0% year over year.

Is WESTLAKE CORP profitable?

In its latest fiscal year WESTLAKE CORP reported a net loss of $1.51B.

Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.