The financials
Westlake Corporation by the numbers
Westlake Corporation (WLK) reported revenue of $2.65B in Q1 2026 (quarter ended Mar 31, 2026), down 6.8% from the same quarter a year earlier. That came with a gross margin of 4.2% and net loss of $169M. For the full year FY2025, revenue was $11.2B (−8.0% year on year) and net income −$1.51B. Its largest product in Jun 2026 was Performance Materials at $1.24B, 38% of the disclosed total, ahead of Housing Products at 31%.
| Income statement | Q1 2026 | Q1 2025 | Change |
|---|---|---|---|
| Revenue | $2.65B | $2.85B | −6.8% |
| Gross profit | $112M | $232M | −52% |
| Operating income | −$172M | −$32M | n/a |
| Net income | −$169M | −$40M | n/a |
| Diluted EPS | −$1.31 | −$0.31 | n/a |
| Product | Revenue | Share |
|---|---|---|
| Performance Materials | $1.24B | 38% |
| Housing Products | $1.01B | 31% |
| Essential Materials | $783M | 24% |
| Infrastructure Products | $241M | 7.4% |
Business Segments
Revenue split by product segment, from SEC XBRL filings.
Latest period: Jun 2026Total $3.27B (+23%)
Infrastructure Products grew +34% year on yearEssential Materials +1.6% year on year
Segment Latestquarter on quarteryear on year
- Performance Materials$1.24B$1.24BQoQ +23%year on year +21%+23%+21%
- Housing Products$1.01B$1.01BQoQ +28%year on year +3.2%+28%+3.2%
- Essential Materials$783.0M$783.0MQoQ +19%year on year +1.6%+19%+1.6%
- Infrastructure Products$241.0M$241.0MQoQ +18%year on year +34%+18%+34%