Westlake Corporation filed its quarterly report on Form 10-Q for the period ended September 30, 2026, with the SEC on November 4, 2026, reporting a return to profitability in the third quarter compared to a significant loss in the same period a year earlier.

Key Highlights

  • Q3 2026 net sales: $2,981 million, up from $2,838 million in Q3 2025, according to the filing.
  • Q3 2026 net income attributable to Westlake Corporation: $6 million, compared to a net loss of $782 million in Q3 2025, which included a $727 million goodwill impairment charge.
  • Nine-month net income attributable to Westlake Corporation: $97 million for the nine months ended September 30, 2026, versus a loss of $964 million for the same period in 2025.
  • Diluted earnings per share: $0.05 for Q3 2026, compared to a loss of $6.06 per diluted share in Q3 2025.
  • Total assets: $19,275 million as of September 30, 2026, down from $19,961 million at December 31, 2025.
  • Cash and cash equivalents: $1,764 million at September 30, 2026, compared to $2,724 million at December 31, 2025.
  • Shares outstanding: 127,886,945 common shares as of October 28, 2026, the filing reported.

Westlake Corporation Q3 2026 Financial Results and Balance Sheet Position

Westlake Corporation (NYSE:WLK) reported third-quarter 2026 net sales of $2,981 million, an increase from $2,838 million in the third quarter of 2025, according to its 10-Q filing. Gross profit for Q3 2026 was $382 million, compared to $236 million in Q3 2025. Income from operations for the quarter was $43 million, a reversal from an operating loss of $766 million in Q3 2025, which the filing attributed in part to a $727 million goodwill impairment charge recorded in that prior-year period.

For the nine months ended September 30, 2026, the company reported net sales of $8,904 million versus $8,637 million for the same period in 2025, and gross profit of $1,146 million compared to $726 million. Restructuring, transaction and integration-related costs were $79 million for the nine-month period in 2026, compared to $139 million in the same period of 2025, according to the filing. Interest expense for the nine months ended September 30, 2026, was $163 million, up from $120 million in the prior-year period.

On the balance sheet, total liabilities declined to $10,110 million at September 30, 2026, from $10,666 million at December 31, 2025. Long-term debt, net, stood at $5,064 million, and the current portion of long-term debt was zero at September 30, 2026, compared to $497 million at year-end 2025. Total Westlake Corporation stockholders' equity was $8,659 million at the end of the quarter. During the second quarter of 2026, the company repurchased 355,721 shares of common stock for $30 million, the filing disclosed.

What Was Disclosed

Westlake Corporation disclosed its unaudited consolidated financial statements for the quarter and nine months ended September 30, 2026, covering net sales, profitability, balance sheet changes, share repurchase activity, and earnings per share figures, as filed with the SEC on November 4, 2026.