Westlake Corporation Revenue 2009–2025
Westlake Corporation reported $11.17B of revenue for fiscal 2025. That was 8.0% lower than fiscal 2024. Compared with fiscal 2020, the change was +48.9%.
| Fiscal year | Revenue | Change (YoY) |
|---|---|---|
| FY 2025 | $11.17B | -8.0% |
| FY 2024 | $12.14B | -3.2% |
| FY 2023 | $12.55B | -20.6% |
| FY 2022 | $15.79B | +34.1% |
| FY 2021 | $11.78B | +57.0% |
| FY 2020 | $7.50B | -7.6% |
| FY 2019 | $8.12B | -6.0% |
| FY 2018 | $8.63B | +7.4% |
| FY 2017 | $8.04B | +58.4% |
| FY 2016 | $5.08B | +4584.6% |
| FY 2015 | $108.35M | -26.8% |
| FY 2014 | $147.92M | -54.1% |
| FY 2013 | $322.41M | +0.8% |
| FY 2012 | $319.93M | -28.3% |
| FY 2011 | $446.36M | -85.9% |
| FY 2010 | $3.17B | +36.4% |
| FY 2009 | $2.33B | — |
Source: Westlake Corporation SEC filings — income statement (10-K). Computed deterministically; refreshed nightly (last updated August 2, 2026). Open WLK 10-K filings at SEC EDGAR · Methodology · Download CSV.
How to read this history
Westlake Corporation reported $11.17B of revenue for fiscal 2025. That was 8.0% lower than fiscal 2024. Compared with fiscal 2020, the change was +48.9%. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.
Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.
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What is Westlake Corporation's revenue?
Westlake Corporation (WLK) reported revenue of $11.17B for fiscal year 2025, per its SEC filings.
How has Westlake Corporation's revenue changed over time?
Between fiscal 2009 and 2025, WLK's revenue grew at roughly 10.3% per year (compound annual rate), from $2.33B to $11.17B.
Where does this data come from?
Figures are computed from Westlake Corporation's official SEC filings (income statement (10-K)), refreshed nightly. Not investment advice.