Quick Answer
WESTLAKE CORP reported Total Assets of $19.96 billion for fiscal year 2025.
WESTLAKE CORP Total Assets — Annual History
| Fiscal Year | Total Assets | YoY Change |
|---|---|---|
| 2025 | $19.96B | -3.8% |
| 2024 | $20.75B | -1.4% |
| 2023 | $21.04B | +2.4% |
| 2022 | $20.55B | +11.3% |
| 2021 | $18.46B | +33.4% |
| 2020 | $13.84B | +4.3% |
| 2019 | $13.26B | +14.3% |
| 2018 | $11.60B | -3.9% |
| 2017 | $12.08B | +10.9% |
| 2016 | $10.89B | +95.5% |
| 2015 | $5.57B | +6.8% |
| 2014 | $5.21B | +28.4% |
| 2013 | $4.06B | +19.0% |
| 2012 | $3.41B | +4.5% |
| 2011 | $3.27B | +10.6% |
| 2010 | $2.95B | — |
Quarterly Total Assets
| Quarter Ending | Total Assets | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $19.81B | -6.1% | -4.8% |
| June 30, 2025 | $20.81B | -1.3% | +0.5% |
| March 31, 2025 | $20.71B | -1.2% | -0.2% |
| December 31, 2024 | $20.75B | -1.4% | -1.7% |
| September 30, 2024 | $21.11B | -1.3% | +0.1% |
| June 30, 2024 | $21.08B | +0.5% | +0.6% |
| March 31, 2024 | $20.96B | +0.7% | -0.4% |
| December 31, 2023 | $21.04B | +2.4% | -1.7% |
- WESTLAKE CORP showed a decrease of -3.8% in Total Assets compared to the prior fiscal year.
- Over the 2010–2025 period, WESTLAKE CORP’s total assets has grown by 575.7% (from $2.95 billion to $19.96 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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