Invesaro

Stocks Comparison

Westlake vs Westlake Chemical Partners: revenue, profit, margins and growth compared

Westlake brought in $11.2B of revenue in fiscal 2025, Westlake Chemical Partners $1.2B in fiscal 2025. Revenue changed by -8.0% at Westlake and +2.7% at Westlake Chemical Partners on the year before, so Westlake Chemical Partners grew faster. Westlake kept -13.5% of its revenue as net profit, Westlake Chemical Partners 4.2%. Free cash flow was -$530M at Westlake and $201.7M at Westlake Chemical Partners.

Side by side, latest fiscal year

WLKWLKP
Fiscal year endedFY2025 (December 31, 2025)FY2025 (December 31, 2025)
Revenue$11.2B$1.2B
Revenue growth-8.0%+2.7%
Net income-$1.5B$48.7M
Net margin-13.5%4.2%
Free cash flow-$530M$201.7M
Free cash flow margin-4.7%17.3%
Earnings per share (diluted)-$11.70n/a
Cash$2.7B$44.3M
Debt$5.6Bn/a
Price to earningsn/an/a
Market value$8.7B$761.3M
Dividend yield3.12%n/a
Rank by revenue in sector#58 of 451 · Industrials#260 of 451 · Industrials

Over the years

Revenue
WLK FY2018: $8.6BWLK FY2019: $8.1BWLK FY2020: $7.5BWLK FY2021: $11.8BWLK FY2022: $15.8BWLK FY2023: $12.5BWLK FY2024: $12.1BWLK FY2025: $11.2BWLKP FY2018: $1.3BWLKP FY2019: $1.1BWLKP FY2020: $966.7MWLKP FY2021: $1.2BWLKP FY2022: $1.6BWLKP FY2023: $1.2BWLKP FY2024: $1.1BWLKP FY2025: $1.2BFY18FY19FY20FY21FY22FY23FY24FY25
WLK $11.2BWLKP $1.2B
Net income
WLK FY2018: $996MWLK FY2019: $421MWLK FY2020: $330MWLK FY2021: $2BWLK FY2022: $2.2BWLK FY2023: $479MWLK FY2024: $602MWLK FY2025: -$1.5BWLKP FY2018: $49.3MWLKP FY2019: $61MWLKP FY2020: $66.2MWLKP FY2021: $82.5MWLKP FY2022: $64.2MWLKP FY2023: $54.3MWLKP FY2024: $62.4MWLKP FY2025: $48.7MFY18FY19FY20FY21FY22FY23FY24FY25
WLK -$1.5BWLKP $48.7M
Net margin
WLK FY2018: 11.5%WLK FY2019: 5.2%WLK FY2020: 4.4%WLK FY2021: 17.1%WLK FY2022: 14.2%WLK FY2023: 3.8%WLK FY2024: 5.0%WLK FY2025: -13.5%WLKP FY2018: 3.8%WLKP FY2019: 5.6%WLKP FY2020: 6.8%WLKP FY2021: 6.8%WLKP FY2022: 4.0%WLKP FY2023: 4.6%WLKP FY2024: 5.5%WLKP FY2025: 4.2%FY18FY19FY20FY21FY22FY23FY24FY25
WLK -13.5%WLKP 4.2%
Revenue growth
WLK FY2019: -6.0%WLK FY2020: -7.6%WLK FY2021: +57.0%WLK FY2022: +34.1%WLK FY2023: -20.6%WLK FY2024: -3.2%WLK FY2025: -8.0%WLKP FY2019: -15.1%WLKP FY2020: -11.5%WLKP FY2021: +25.7%WLKP FY2022: +31.1%WLKP FY2023: -25.3%WLKP FY2024: -4.6%WLKP FY2025: +2.7%FY19FY20FY21FY22FY23FY24FY25
WLK -8.0%WLKP +2.7%
Free cash flow
WLK FY2018: $707MWLK FY2019: $514MWLK FY2020: $772MWLK FY2021: $1.7BWLK FY2022: $2.3BWLK FY2023: $1.3BWLK FY2024: $306MWLK FY2025: -$530MWLKP FY2018: $396.3MWLKP FY2019: $407.1MWLKP FY2020: $336.4MWLKP FY2021: $327.3MWLKP FY2022: $409.6MWLKP FY2023: $405.2MWLKP FY2024: $436MWLKP FY2025: $201.7MFY18FY19FY20FY21FY22FY23FY24FY25
WLK -$530MWLKP $201.7M

Fiscal years as each company reports them; the two may end in different months.

Questions about Westlake and Westlake Chemical Partners

Which is bigger by revenue, Westlake or Westlake Chemical Partners?

Westlake is bigger by revenue: $11.2B in fiscal 2025, against $1.2B for Westlake Chemical Partners in fiscal 2025.

Which keeps more of its revenue as profit, Westlake or Westlake Chemical Partners?

Westlake had a net margin of -13.5% in fiscal 2025; Westlake Chemical Partners had 4.2% in fiscal 2025.

Which grew revenue faster, Westlake or Westlake Chemical Partners?

In their latest fiscal years revenue changed by -8.0% at Westlake and +2.7% at Westlake Chemical Partners.

Where do these numbers come from?

From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.

More comparisons

Compare more companies