Filing Flows › Westlake (WLK) › Q3 2025
Westlake (WLK) Q3 2025 earnings results (third quarter 2025)
10-Q filed Oct 31, 2025
Westlake (WLK) reported revenue of $2.8B for the third quarter 2025 (Q3 2025), -9% from a year earlier and -4% from the quarter before. Operating margin was -27.0%, net loss $772M (27.2% of revenue).
Westlake, Q3 2025: revenue $2.8B (-9% year over year), operating margin -27.0%, net loss $772M, operating cash flow $182M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $2.8B | -4% | -9% |
| Operating profit | −$766M | — | — |
| Net earnings | −$772M | — | — |
| Operating cash flow | $182M | +35% | -62% |
What changed
Revenue was $2.8B in Q3 2025, down 9% year over year and down 4% from the previous quarter.
Gross margin was 8.3%, down 7.7 points from a year earlier. Operating costs exceeded revenue by $0.77B, an operating margin of -27.0%. Operating expenses grew 214% against a revenue fall of 9%. The fastest-growing cost line was Other operating costs (+644%). The quarter ended with a net loss of $0.77B, wider than the previous quarter's $0.13B loss.
Operating cash flow was $0.18B (down 62% year over year). Non-cash charges added back $0.30B of depreciation and amortization and $0.01B of share-based compensation. Working capital and other items added $0.64B. Capital expenditures of $0.24B exceeded it, leaving free cash flow of −$0.06B.
Questions
What was Westlake's revenue in the third quarter 2025?
Westlake (WLK) reported revenue of $2.8B for the third quarter 2025 (Q3 2025), -9% from a year earlier and -4% from the quarter before.
Was Westlake profitable in the third quarter 2025?
Operating loss was $766M (-27.0% of revenue) and net loss $772M.
Source: Westlake 10-Q on SEC EDGAR.