Quick Answer
WESTLAKE CORP reported Total Revenue of $11.17 billion for fiscal year 2025.
WESTLAKE CORP Total Revenue — Annual History
| Fiscal Year | Total Revenue | YoY Change |
|---|---|---|
| 2025 | $11.17B | -8.0% |
| 2024 | $12.14B | -3.2% |
| 2023 | $12.55B | -20.6% |
| 2022 | $15.79B | +34.1% |
| 2021 | $11.78B | +57.0% |
| 2020 | $7.50B | -7.6% |
| 2019 | $8.12B | -6.0% |
| 2018 | $8.63B | +7.4% |
| 2017 | $8.04B | +58.4% |
| 2016 | $5.08B | +13.7% |
| 2015 | $4.46B | +1.1% |
| 2014 | $4.42B | +17.4% |
| 2013 | $3.76B | +5.3% |
| 2012 | $3.57B | -1.3% |
| 2011 | $3.62B | +14.1% |
| 2010 | $3.17B | +36.4% |
| 2009 | $2.33B | — |
Quarterly Total Revenue
| Quarter Ending | Total Revenue | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $2.84B | -9.0% | -3.9% |
| June 30, 2025 | $2.95B | -7.9% | +3.8% |
| March 31, 2025 | $2.85B | -4.3% | -8.7% |
| September 30, 2024 | $3.12B | +0.1% | -2.8% |
| June 30, 2024 | $3.21B | -1.4% | +7.8% |
| March 31, 2024 | $2.98B | -11.4% | -4.5% |
| September 30, 2023 | $3.12B | -21.3% | -4.2% |
| June 30, 2023 | $3.25B | -27.5% | -3.1% |
- WESTLAKE CORP showed a decrease of -8.0% in Total Revenue compared to the prior fiscal year.
- Over the 2009–2025 period, WESTLAKE CORP’s total revenue has grown by 380.3% (from $2.33 billion to $11.17 billion).
- The most recent figure is from WESTLAKE CORP’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 26, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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