Westlake (WLK) Total Debt (2010 - 2026)
Westlake's quarterly Total Debt came in at $5.6 billion in Q1 2026, up 21.4% year-on-year from $4.6 billion in Q1 2025, and little changed quarter-over-quarter from $5.6 billion in Q4 2025.
Westlake has reported Total Debt for 17 years, with the latest figure at $5.6 billion in Q1 2026.
- For the quarter ending Q1 2026, Total Debt rose 21.4% year-over-year to $5.6 billion; the trailing twelve-month figure through Mar 2026 stood at $5.6 billion (up 21.4% YoY), and the FY2025 full-year result was $5.6 billion, up 22.4% from the prior year.
- Total Debt for Q1 2026 stood at $5.6 billion, roughly flat from $5.6 billion in the prior quarter.
- The five-year high for Total Debt was $5.6 billion in Q4 2025, with the low at $4.6 billion in Q4 2024.
- Average Total Debt over 5 years is $4.9 billion, with a median of $4.9 billion recorded in 2022.
- Peak annual rise in Total Debt reached 45.64% in 2022, while the deepest fall reached 7.27% in 2022.
- Tracing WLK's Total Debt over 5 years: stood at $4.9 billion in 2022, then advanced by 0.55% to $4.9 billion in 2023, then slipped by 7.01% to $4.6 billion in 2024, then increased by 22.4% to $5.6 billion in 2025, then retreated by 0.25% to $5.6 billion in 2026.
- The last three Total Debt figures came in at $5.6 billion (Q1 2026), $5.6 billion (Q4 2025), and $4.7 billion (Q3 2025), per Business Quant data.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Total Debt (Qtr) |
|---|---|---|---|---|---|
| 1 | Linde | 230.79 Bn | 226.84 Bn | 4.26 Bn | 24.68 Bn |
| 2 | Chemical & Mining Co Of Chile | 127.66 Bn | 124.93 Bn | 778.60 Mn | 4.79 Bn |
| 3 | Sherwin Williams | 72.51 Bn | 72.30 Bn | 2.78 Bn | 9.32 Bn |
| 4 | Ecolab | 70.96 Bn | 70.34 Bn | 1.85 Bn | 8.24 Bn |
| 5 | Air Products & Chemicals | 62.15 Bn | 63.70 Bn | 987.40 Mn | 17.40 Bn |
| 6 | Ppg Industries | 25.04 Bn | 23.57 Bn | 1.66 Bn | 7.14 Bn |
| 7 | LyondellBasell Industries | 21.62 Bn | 21.73 Bn | 701.00 Mn | 12.70 Bn |
| 8 | Albemarle | 20.26 Bn | 19.42 Bn | 500.97 Mn | 1.88 Bn |
| 9 | DuPont de Nemours | 19.45 Bn | 19.56 Bn | 602.00 Mn | 3.17 Bn |
| 10 | Westlake | 11.07 Bn | 9.10 Bn | 112.00 Mn | 5.57 Bn |
Historic Data
Download Data| Date | Value |
|---|---|
| Mar 31, 2026 | 5.57 Bn |
| Dec 31, 2025 | 5.58 Bn |
| Sep 30, 2025 | 4.66 Bn |
| Jun 30, 2025 | 4.65 Bn |
| Mar 31, 2025 | 4.59 Bn |
| Dec 31, 2024 | 4.56 Bn |
| Sep 30, 2024 | 4.62 Bn |
| Jun 30, 2024 | 4.89 Bn |
| Mar 31, 2024 | 4.89 Bn |
| Dec 31, 2023 | 4.91 Bn |
| Sep 30, 2023 | 4.87 Bn |
| Jun 30, 2023 | 4.89 Bn |
| Mar 31, 2023 | 4.89 Bn |
| Dec 31, 2022 | 4.88 Bn |
| Sep 30, 2022 | 4.82 Bn |
| Jun 30, 2022 | 4.87 Bn |
| Mar 31, 2022 | 5.17 Bn |
| Dec 31, 2021 | 5.18 Bn |
| Sep 30, 2021 | 5.20 Bn |
| Jun 30, 2021 | 3.56 Bn |
| Mar 31, 2021 | 3.55 Bn |
| Dec 31, 2020 | 3.57 Bn |
| Sep 30, 2020 | 3.68 Bn |
| Jun 30, 2020 | 3.75 Bn |
| Mar 31, 2020 | 4.43 Bn |
| Dec 31, 2019 | 3.45 Bn |
| Sep 30, 2019 | 3.42 Bn |
| Jun 30, 2019 | 2.67 Bn |
| Mar 31, 2019 | 2.67 Bn |
| Dec 31, 2018 | 2.67 Bn |
| Sep 30, 2018 | 2.67 Bn |
| Jun 30, 2018 | 2.67 Bn |
| Mar 31, 2018 | 3.13 Bn |
| Dec 31, 2017 | 3.84 Bn |
| Dec 31, 2016 | 3.68 Bn |
| Sep 30, 2016 | 148.68 Mn |
| Dec 31, 2015 | 764.12 Mn |
| Sep 30, 2015 | 764.09 Mn |
| Jun 30, 2015 | 764.06 Mn |
| Mar 31, 2015 | 764.03 Mn |
| Dec 31, 2014 | 764.00 Mn |
| Sep 30, 2014 | 763.97 Mn |
| Jun 30, 2014 | 763.94 Mn |
| Mar 31, 2014 | 763.91 Mn |
| Dec 31, 2013 | 763.88 Mn |
| Sep 30, 2013 | 763.85 Mn |
| Jun 30, 2013 | 763.82 Mn |
| Mar 31, 2013 | 763.79 Mn |
| Dec 31, 2012 | 763.76 Mn |
| Sep 30, 2012 | 763.73 Mn |
| Jun 30, 2012 | 764.60 Mn |
| Mar 31, 2012 | 764.58 Mn |
| Dec 31, 2011 | 764.56 Mn |
| Sep 30, 2011 | 764.54 Mn |
| Jun 30, 2011 | 764.52 Mn |
| Dec 31, 2010 | 764.48 Mn |