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WESTLAKE CHEMICAL CORP

EDGAR
WLK Quarterly report (10-Q) · filed 2026-08-05

Annual consolidated revenue for 2025: about USD 11.17B, using the latest reported figures. The previous period, 2024, was about USD 12.14B.

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Watchlist

Latest quarter

Revenue

3.27 billion USD

2026 Q2 · USD

Exact inputs and evidence
  • Revenue: 3271000000 USD Source

Operating margin

11.13%

2026 Q2 · %

Exact inputs and evidence
  • Operating Income: 364000000 USD Source
  • Revenue: 3271000000 USD Source

Operating cash flow

318 million USD

2026 Q2 · USD

Exact inputs and evidence
  • Operating Cash Flow: 224000000 USD Source
  • Operating Cash Flow: -94000000 USD Source

Free cash flow

111 million USD

2026 Q2 · USD

Exact inputs and evidence
  • Operating Cash Flow: 224000000 USD Source
  • Operating Cash Flow: -94000000 USD Source
  • Capital Expenditure: 416000000 USD Source
  • Capital Expenditure: 209000000 USD Source
Cash and cash equivalents
1.64 billion USD Source
Exact value

1643000000 USD

Long-term debt including current maturities
5.07 billion USD Source
Exact value

5067000000 USD

Shares outstanding
Not available

Trailing twelve months

The four most recent complete quarters added together. This gives a full-year view that includes the latest quarterly results.

Revenue

11.3 billion USD

2025-07-01 – 2026-06-30

Exact inputs and evidence
  • Revenue: 2838000000 USD · 2025-07-01 – 2025-09-30 Source
  • Revenue: 11170000000 USD · 2025-01-01 – 2025-12-31 Source
  • Revenue: 8637000000 USD · 2025-01-01 – 2025-09-30 Source
  • Revenue: 2652000000 USD · 2026-01-01 – 2026-03-31 Source
  • Revenue: 3271000000 USD · 2026-04-01 – 2026-06-30 Source

Net income

-1.24 billion USD

2025-07-01 – 2026-06-30

Exact inputs and evidence
  • Net income: -782000000 USD · 2025-07-01 – 2025-09-30 Source
  • Net income: -1508000000 USD · 2025-01-01 – 2025-12-31 Source
  • Net income: -964000000 USD · 2025-01-01 – 2025-09-30 Source
  • Net income: -169000000 USD · 2026-01-01 – 2026-03-31 Source
  • Net income: 260000000 USD · 2026-04-01 – 2026-06-30 Source

Operating cash flow

631 million USD

2025-07-01 – 2026-06-30

Exact inputs and evidence
  • Operating cash flow: 240000000 USD · 2025-01-01 – 2025-09-30 Source
  • Operating cash flow: 58000000 USD · 2025-01-01 – 2025-06-30 Source
  • Operating cash flow: 465000000 USD · 2025-01-01 – 2025-12-31 Source
  • Operating cash flow: 240000000 USD · 2025-01-01 – 2025-09-30 Source
  • Operating cash flow: -94000000 USD · 2026-01-01 – 2026-03-31 Source
  • Operating cash flow: 224000000 USD · 2026-01-01 – 2026-06-30 Source
  • Operating cash flow: -94000000 USD · 2026-01-01 – 2026-03-31 Source

Capital expenditure

896 million USD

2025-07-01 – 2026-06-30

Exact inputs and evidence
  • Capital expenditure: 754000000 USD · 2025-01-01 – 2025-09-30 Source
  • Capital expenditure: 515000000 USD · 2025-01-01 – 2025-06-30 Source
  • Capital expenditure: 995000000 USD · 2025-01-01 – 2025-12-31 Source
  • Capital expenditure: 754000000 USD · 2025-01-01 – 2025-09-30 Source
  • Capital expenditure: 209000000 USD · 2026-01-01 – 2026-03-31 Source
  • Capital expenditure: 416000000 USD · 2026-01-01 – 2026-06-30 Source
  • Capital expenditure: 209000000 USD · 2026-01-01 – 2026-03-31 Source

Free cash flow

-265 million USD

2025-07-01 – 2026-06-30

Exact inputs and evidence
  • Operating cash flow: 240000000 USD · 2025-01-01 – 2025-09-30 Source
  • Operating cash flow: 58000000 USD · 2025-01-01 – 2025-06-30 Source
  • Operating cash flow: 465000000 USD · 2025-01-01 – 2025-12-31 Source
  • Operating cash flow: 240000000 USD · 2025-01-01 – 2025-09-30 Source
  • Operating cash flow: -94000000 USD · 2026-01-01 – 2026-03-31 Source
  • Operating cash flow: 224000000 USD · 2026-01-01 – 2026-06-30 Source
  • Operating cash flow: -94000000 USD · 2026-01-01 – 2026-03-31 Source
  • Capital expenditure: 754000000 USD · 2025-01-01 – 2025-09-30 Source
  • Capital expenditure: 515000000 USD · 2025-01-01 – 2025-06-30 Source
  • Capital expenditure: 995000000 USD · 2025-01-01 – 2025-12-31 Source
  • Capital expenditure: 754000000 USD · 2025-01-01 – 2025-09-30 Source
  • Capital expenditure: 209000000 USD · 2026-01-01 – 2026-03-31 Source
  • Capital expenditure: 416000000 USD · 2026-01-01 – 2026-06-30 Source
  • Capital expenditure: 209000000 USD · 2026-01-01 – 2026-03-31 Source

Company performance

Up to ten complete financial years · consolidated figures

Includes later revisions to earlier periods. Annual charts exclude incomplete years.

Latest filing recorded: 2026-08-05.

Financial data available through: 2025-12-31.

Coverage by financial measure
  • Revenue: 11 of 11 periods available· newest 2025-12-31
  • Operating income: 11 of 11 periods available· newest 2025-12-31
  • Net income: 11 of 11 periods available· newest 2025-12-31
  • Operating cash flow: 11 of 11 periods available· newest 2025-12-31
  • Capital expenditure: 11 of 11 periods available· newest 2025-12-31
  • Total assets: 11 of 11 periods available· newest 2025-12-31
  • Total liabilities: 11 of 11 periods available· newest 2025-12-31
  • Current assets: 11 of 11 periods available· newest 2025-12-31
  • Current liabilities: 11 of 11 periods available· newest 2025-12-31
  • Cash and cash equivalents: 11 of 11 periods available· newest 2025-12-31
  • Long-term debt including current maturities: 11 of 11 periods available· newest 2025-12-31
  • shares outstanding: No compatible figures in this window

Coverage describes values retained in this snapshot. Missing values are not zero; loading limits are reported separately.

What changed year over year

Latest complete year compared with the corresponding period one year earlier. These are measured changes; they do not establish their business causes.

  • Revenue

    -8%

    Prior period

    USD 12.14 billion

    –

    Current period

    USD 11.17 billion

    –

    Exact inputs and evidence

    11170000000 − 12142000000 = -972000000 USD

    12142000000 USD · 2024-01-01 – 2024-12-31

    Inspect prior input Prior source

    11170000000 USD · 2025-01-01 – 2025-12-31

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  • Net income

    -350.5%

    Prior period

    USD 602 million

    –

    Current period

    −USD 1.51 billion

    –

    Exact inputs and evidence

    -1508000000 − 602000000 = -2110000000 USD

    602000000 USD · 2024-01-01 – 2024-12-31

    Inspect prior input Prior source

    -1508000000 USD · 2025-01-01 – 2025-12-31

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  • Operating cash flow

    -64.6%

    Prior period

    USD 1.31 billion

    –

    Current period

    USD 465 million

    –

    Exact inputs and evidence

    465000000 − 1314000000 = -849000000 USD

    1314000000 USD · 2024-01-01 – 2024-12-31

    Inspect prior input Prior source

    465000000 USD · 2025-01-01 – 2025-12-31

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  • Capital expenditure

    -1.3%

    Prior period

    USD 1.01 billion

    –

    Current period

    USD 995 million

    –

    Exact inputs and evidence

    995000000 − 1008000000 = -13000000 USD

    1008000000 USD · 2024-01-01 – 2024-12-31

    Inspect prior input Prior source

    995000000 USD · 2025-01-01 – 2025-12-31

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Where revenue goes

How a period’s revenue divides into costs and what remains as profit. Items marked Derived are calculated by subtraction from reported figures.

2025 2025-01-01 – 2025-12-31

  • Revenue USD 11.17 billion 100% of revenue
  • Operating costs Derived USD 12.75 billion 114% of revenue
  • Operating income −USD 1.58 billion −14% of revenue
  • Tax, interest and other Derived −USD 70 million −0.6% of revenue
  • Net income −USD 1.51 billion −14% of revenue

Cash

  • Operating cash flow USD 465 million 4.2% of revenue
  • Capital expenditure USD 995 million 8.9% of revenue
  • Free cash flow Derived −USD 530 million −4.7% of revenue

Share of revenue by period

  • Net income
  • Tax, interest and other
  • Operating costs
  • 2016 89%
  • 2017 Net income was higher than operating income, so the split is not drawn.
  • 2018 12%84%
  • 2019 92%
  • 2020 94%
  • 2021 17%76%
  • 2022 14%81%
  • 2023 94%
  • 2024 93%
  • 2025 Operating loss: operating costs were 114% of revenue.
Values and sources
Revenue breakdown by annual reporting period
PeriodRevenueOperating costsOperating incomeTax, interest and otherNet incomeFree cash flowSource
2016 2016-01-01 – 2016-12-315076000000 4493000000 Derived 583000000 184000000 Derived 399000000 238000000 Derived
Source
2017 2017-01-01 – 2017-12-318041000000 6816000000 Derived 1225000000 -79000000 Derived 1304000000 951000000 Derived
Source
2018 2018-01-01 – 2018-12-318635000000 7227000000 Derived 1408000000 412000000 Derived 996000000 707000000 Derived
Source
2019 2019-01-01 – 2019-12-318118000000 7462000000 Derived 656000000 235000000 Derived 421000000 514000000 Derived
Source
2020 2020-01-01 – 2020-12-317504000000 7075000000 Derived 429000000 99000000 Derived 330000000 772000000 Derived
Source
2021 2021-01-01 – 2021-12-3111778000000 8978000000 Derived 2800000000 785000000 Derived 2015000000 1736000000 Derived
Source
2022 2022-01-01 – 2022-12-3115794000000 12744000000 Derived 3050000000 803000000 Derived 2247000000 2287000000 Derived
Source
2023 2023-01-01 – 2023-12-3112548000000 11819000000 Derived 729000000 250000000 Derived 479000000 1302000000 Derived
Source
2024 2024-01-01 – 2024-12-3112142000000 11267000000 Derived 875000000 273000000 Derived 602000000 306000000 Derived
Source
2025 2025-01-01 – 2025-12-3111170000000 12748000000 Derived -1578000000 -70000000 Derived -1508000000 -530000000 Derived
Source

Amounts are exact, in USD.

Growth

Sales over time and how quickly they are changing.

Revenue

Revenue reported for each complete financial period.

USD 11.2B 2025
Revenue historyRevenue reported for each complete financial period. Values are shown by financial reporting period. Open Values and sources below for the exact observations and evidence.17.1B12.8B8.5B4.3B0.0201620212025
Values and sources
Revenue values and source evidence
PeriodSeriesValue(USD)Source evidence
2016Revenue5076000000
2017Revenue8041000000
2018Revenue8635000000
2019Revenue8118000000
2020Revenue7504000000
2021Revenue11778000000
2022Revenue15794000000
2023Revenue12548000000
2024Revenue12142000000
2025Revenue11170000000

Revenue growth

Change in revenue from the same financial period one year earlier.

-8% 2025
Revenue growth historyChange in revenue from the same financial period one year earlier. Values are shown by financial reporting period. Open Values and sources below for the exact observations and evidence.65%42%19%-4%-27%201620212025
Values and sources
Revenue growth values and source evidence
PeriodSeriesValueSource evidence
2016Year over year13.7%
2017Year over year58.4%
2018Year over year7.4%
2019Year over year-6%
2020Year over year-7.6%
2021Year over year57%
2022Year over year34.1%
2023Year over year-20.6%
2024Year over year-3.2%
2025Year over year-8%

Profit and cash

How much revenue becomes profit, and how much cash operations generate.

Profit margins

Operating income, net income and free cash flow as a share of revenue.

Operating margin -14.1% 2025
Net margin -13.5% 2025
Free cash flow margin -4.7% 2025
Profit margins historyOperating income, net income and free cash flow as a share of revenue. Values are shown by financial reporting period. Open Values and sources below for the exact observations and evidence.27%16%5%-6%-17%201620212025
  • Operating margin
  • Net margin
  • Free cash flow margin
Values and sources
Profit margins values and source evidence
PeriodSeriesValueSource evidence
2016Operating margin11.5%
2017Operating margin15.2%
2018Operating margin16.3%
2019Operating margin8.1%
2020Operating margin5.7%
2021Operating margin23.8%
2022Operating margin19.3%
2023Operating margin5.8%
2024Operating margin7.2%
2025Operating margin-14.1%
2016Net margin7.9%
2017Net margin16.2%
2018Net margin11.5%
2019Net margin5.2%
2020Net margin4.4%
2021Net margin17.1%
2022Net margin14.2%
2023Net margin3.8%
2024Net margin5%
2025Net margin-13.5%
2016Free cash flow margin4.7%
2017Free cash flow margin11.8%
2018Free cash flow margin8.2%
2019Free cash flow margin6.3%
2020Free cash flow margin10.3%
2021Free cash flow margin14.7%
2022Free cash flow margin14.5%
2023Free cash flow margin10.4%
2024Free cash flow margin2.5%
2025Free cash flow margin-4.7%

Operating cash flow

Cash generated by the company’s normal business operations.

USD 465M 2025
Operating cash flow historyCash generated by the company’s normal business operations. Values are shown by financial reporting period. Open Values and sources below for the exact observations and evidence.3.7B2.7B1.8B916.7M0.0201620212025
Values and sources
Operating cash flow values and source evidence
PeriodSeriesValue(USD)Source evidence
2016Operating cash flow867000000
2017Operating cash flow1528000000
2018Operating cash flow1409000000
2019Operating cash flow1301000000
2020Operating cash flow1297000000
2021Operating cash flow2394000000
2022Operating cash flow3395000000
2023Operating cash flow2336000000
2024Operating cash flow1314000000
2025Operating cash flow465000000

Free cash flow

Operating cash flow minus capital expenditure for the same period and unit.

USD -530M 2025
Free cash flow historyOperating cash flow minus capital expenditure for the same period and unit. Values are shown by financial reporting period. Open Values and sources below for the exact observations and evidence.2.5B1.7B878.5M61.6M-755.4M201620212025
Values and sources
Free cash flow values and source evidence
PeriodSeriesValue(USD)Source evidence
2016Free cash flow238000000
2017Free cash flow951000000
2018Free cash flow707000000
2019Free cash flow514000000
2020Free cash flow772000000
2021Free cash flow1736000000
2022Free cash flow2287000000
2023Free cash flow1302000000
2024Free cash flow306000000
2025Free cash flow-530000000

Balance sheet

Liabilities and short-term ability to meet obligations at each period end.

Liabilities to assets

Total liabilities as a share of total assets.

53.4% 2025
Liabilities to assets historyTotal liabilities as a share of total assets. Values are shown by financial reporting period. Open Values and sources below for the exact observations and evidence.69%52%35%17%0%201620212025
Values and sources
Liabilities to assets values and source evidence
PeriodSeriesValueSource evidence
2016Liabilities / assets64.3%
2017Liabilities / assets55.5%
2018Liabilities / assets47.6%
2019Liabilities / assets51.7%
2020Liabilities / assets52.5%
2021Liabilities / assets53.8%
2022Liabilities / assets49.1%
2023Liabilities / assets48.8%
2024Liabilities / assets46.8%
2025Liabilities / assets53.4%

Current assets to current liabilities

Current assets divided by current liabilities.

2.24× 2025
Current assets to current liabilities historyCurrent assets divided by current liabilities. Values are shown by financial reporting period. Open Values and sources below for the exact observations and evidence.3.02×2.27×1.51×0.76×0.00×201620212025
Values and sources
Current assets to current liabilities values and source evidence
PeriodSeriesValueSource evidence
2016Current assets / current liabilities2.04×
2017Current assets / current liabilities1.76×
2018Current assets / current liabilities2.4×
2019Current assets / current liabilities2.21×
2020Current assets / current liabilities2.56×
2021Current assets / current liabilities2.25×
2022Current assets / current liabilities2.6×
2023Current assets / current liabilities2.37×
2024Current assets / current liabilities2.8×
2025Current assets / current liabilities2.24×

Cash generation

Compare reported profit with operating cash and capital spending. Free cash flow is calculated as operating cash flow minus capital expenditure when both exact, consolidated amounts match the same period and unit.

Cash generation by annual reporting period
PeriodNet incomeOperating cash flowCapital expenditureFree cash flow
2016 2016-01-01 – 2016-12-31
USD 399 million
Exact value

Exact value: 399000000 USD

2016-01-01 – 2016-12-31: 399000000 USD Inspect Net Income Open source
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USD 867 million
Exact value

Exact value: 867000000 USD

2016-01-01 – 2016-12-31: 867000000 USD Inspect Operating Cash Flow Open source
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USD 629 million
Exact value

Exact value: 629000000 USD

2016-01-01 – 2016-12-31: 629000000 USD Inspect Capital Expenditure Open source
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USD 238 million
Calculation and evidence

867000000 − 629000000 USD

Exact free cash flow: 238000000 USD

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2017 2017-01-01 – 2017-12-31
USD 1.3 billion
Exact value

Exact value: 1304000000 USD

2017-01-01 – 2017-12-31: 1304000000 USD Inspect Net Income Open source
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USD 1.53 billion
Exact value

Exact value: 1528000000 USD

2017-01-01 – 2017-12-31: 1528000000 USD Inspect Operating Cash Flow Open source
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USD 577 million
Exact value

Exact value: 577000000 USD

2017-01-01 – 2017-12-31: 577000000 USD Inspect Capital Expenditure Open source
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USD 951 million
Calculation and evidence

1528000000 − 577000000 USD

Exact free cash flow: 951000000 USD

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2018 2018-01-01 – 2018-12-31
USD 996 million
Exact value

Exact value: 996000000 USD

2018-01-01 – 2018-12-31: 996000000 USD Inspect Net Income Open source
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USD 1.41 billion
Exact value

Exact value: 1409000000 USD

2018-01-01 – 2018-12-31: 1409000000 USD Inspect Operating Cash Flow Open source
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USD 702 million
Exact value

Exact value: 702000000 USD

2018-01-01 – 2018-12-31: 702000000 USD Inspect Capital Expenditure Open source
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USD 707 million
Calculation and evidence

1409000000 − 702000000 USD

Exact free cash flow: 707000000 USD

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2019 2019-01-01 – 2019-12-31
USD 421 million
Exact value

Exact value: 421000000 USD

2019-01-01 – 2019-12-31: 421000000 USD Inspect Net Income Open source
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USD 1.3 billion
Exact value

Exact value: 1301000000 USD

2019-01-01 – 2019-12-31: 1301000000 USD Inspect Operating Cash Flow Open source
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USD 787 million
Exact value

Exact value: 787000000 USD

2019-01-01 – 2019-12-31: 787000000 USD Inspect Capital Expenditure Open source
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USD 514 million
Calculation and evidence

1301000000 − 787000000 USD

Exact free cash flow: 514000000 USD

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2020 2020-01-01 – 2020-12-31
USD 330 million
Exact value

Exact value: 330000000 USD

2020-01-01 – 2020-12-31: 330000000 USD Inspect Net Income Open source
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USD 1.3 billion
Exact value

Exact value: 1297000000 USD

2020-01-01 – 2020-12-31: 1297000000 USD Inspect Operating Cash Flow Open source
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USD 525 million
Exact value

Exact value: 525000000 USD

2020-01-01 – 2020-12-31: 525000000 USD Inspect Capital Expenditure Open source
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USD 772 million
Calculation and evidence

1297000000 − 525000000 USD

Exact free cash flow: 772000000 USD

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2021 2021-01-01 – 2021-12-31
USD 2.02 billion
Exact value

Exact value: 2015000000 USD

2021-01-01 – 2021-12-31: 2015000000 USD Inspect Net Income Open source
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USD 2.39 billion
Exact value

Exact value: 2394000000 USD

2021-01-01 – 2021-12-31: 2394000000 USD Inspect Operating Cash Flow Open source
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USD 658 million
Exact value

Exact value: 658000000 USD

2021-01-01 – 2021-12-31: 658000000 USD Inspect Capital Expenditure Open source
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USD 1.74 billion
Calculation and evidence

2394000000 − 658000000 USD

Exact free cash flow: 1736000000 USD

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2022 2022-01-01 – 2022-12-31
USD 2.25 billion
Exact value

Exact value: 2247000000 USD

2022-01-01 – 2022-12-31: 2247000000 USD Inspect Net Income Open source
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USD 3.4 billion
Exact value

Exact value: 3395000000 USD

2022-01-01 – 2022-12-31: 3395000000 USD Inspect Operating Cash Flow Open source
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USD 1.11 billion
Exact value

Exact value: 1108000000 USD

2022-01-01 – 2022-12-31: 1108000000 USD Inspect Capital Expenditure Open source
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USD 2.29 billion
Calculation and evidence

3395000000 − 1108000000 USD

Exact free cash flow: 2287000000 USD

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2023 2023-01-01 – 2023-12-31
USD 479 million
Exact value

Exact value: 479000000 USD

2023-01-01 – 2023-12-31: 479000000 USD Inspect Net Income Open source
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USD 2.34 billion
Exact value

Exact value: 2336000000 USD

2023-01-01 – 2023-12-31: 2336000000 USD Inspect Operating Cash Flow Open source
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USD 1.03 billion
Exact value

Exact value: 1034000000 USD

2023-01-01 – 2023-12-31: 1034000000 USD Inspect Capital Expenditure Open source
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USD 1.3 billion
Calculation and evidence

2336000000 − 1034000000 USD

Exact free cash flow: 1302000000 USD

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2024 2024-01-01 – 2024-12-31
USD 602 million
Exact value

Exact value: 602000000 USD

2024-01-01 – 2024-12-31: 602000000 USD Inspect Net Income Open source
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USD 1.31 billion
Exact value

Exact value: 1314000000 USD

2024-01-01 – 2024-12-31: 1314000000 USD Inspect Operating Cash Flow Open source
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USD 1.01 billion
Exact value

Exact value: 1008000000 USD

2024-01-01 – 2024-12-31: 1008000000 USD Inspect Capital Expenditure Open source
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USD 306 million
Calculation and evidence

1314000000 − 1008000000 USD

Exact free cash flow: 306000000 USD

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2025 2025-01-01 – 2025-12-31
−USD 1.51 billion
Exact value

Exact value: -1508000000 USD

2025-01-01 – 2025-12-31: -1508000000 USD Inspect Net Income Open source
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USD 465 million
Exact value

Exact value: 465000000 USD

2025-01-01 – 2025-12-31: 465000000 USD Inspect Operating Cash Flow Open source
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USD 995 million
Exact value

Exact value: 995000000 USD

2025-01-01 – 2025-12-31: 995000000 USD Inspect Capital Expenditure Open source
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−USD 530 million
Calculation and evidence

465000000 − 995000000 USD

Exact free cash flow: -530000000 USD

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Capital expenditure uses the canonical mapped positive-spending convention. A missing, ambiguous, incompatible, or negative-sign input is left blank. Values use the latest reported version.

Dataset coverage and company identifiers

Coverage reflects filings processed into this Fundies dataset; it does not imply every source filing is loaded.

116 filings · 10,881 latest values · 10,888 originally reported values

Dataset published . Source filing dates and reporting periods are shown separately.

Identifiers: 0001262823, 1262823, WLK, edgar:1262823

Also known as WESTLAKE CHEMICAL CORP, WESTLAKE CORP, Westlake Chemical Corporation, Westlake Corporation