Westlake Corporation
WLK Basic Materials Specialty Chemicals
Westlake Corporation’s revenue for fiscal 2025 (year ended December 2025) was $11.2 billion, down 8.01% from fiscal 2024.
- Revenue
- +5.04%
- EPS
- +102.3%
- Free cash flow
- +486.0%
- Total debt
- +8.76%
Quarter to September 2026, against a year earlier
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Westlake Corporation (WLK) Shares outstanding
Westlake Corporation's shares outstanding at the end of fiscal 2025 was $128.3M, unchanged from fiscal 2024. At the end of the quarter to 30 September 2026 it was $128.0M. Over the past ten years it has ranged from $128.1M (fiscal 2020) to $132.3M (fiscal 2015); the current reading is higher than 18% of that period. Westlake Corporation ranks 18th of 59 Specialty Chemicals companies by shares outstanding.
Shares outstanding, annual
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Annual newest first
| Period | Shares outstanding | Change |
|---|---|---|
| FY2025 | $128.3M | (0.73%) |
| FY2024 | $129.2M | 0.47% |
| FY2023 | $128.6M | (0.19%) |
| FY2022 | $128.8M | 0.11% |
| FY2021 | $128.7M | 0.48% |
| FY2020 | $128.1M | (0.52%) |
| FY2019 | $128.8M | (0.95%) |
| FY2018 | $130.0M | 0.34% |
| FY2017 | $129.5M | (0.33%) |
| FY2016 | $130.0M | (1.76%) |
Quarterly newest first
| Period | Shares outstanding | Change |
|---|---|---|
| Sep 2026 | $128.0M | (0.42%) |
| Jun 2026 | $128.5M | 0.40% |
| Mar 2026 | $128.0M | (0.21%) |
| Dec 2025 | $128.3M | 0.01% |
| 43 more quarters | Free account |
Against its own ten years
Shares outstanding against peers
| Company | Shares outstanding |
|---|---|
| SQM Sociedad Quimica y Minera S.A. compare | $285.7M |
| ESI Element Solutions Inc. compare | $243.7M |
| AXTA Axalta Coating Systems Ltd. compare | $215.1M |
| SOLS Solstice Advanced Materials Inc. compare | $159.0M |
| WLK Westlake Corporation | $128.0M |
| ALB Albemarle Corporation compare | $118.5M |
| EMN Eastman Chemical Company compare | $115.3M |
| NEU NewMarket Corporation compare | $9.2M |
| SSL Sasol Ltd. compare | — |
What Shares outstanding is
Shares (Diluted, Weighted) tells an investor how many shares a company’s earnings are spread across once potential new shares are counted.
Reported line item
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- Revenue
- Net income
- EPS (diluted)
- EBITDA
- Free cash flow
- Operating cash flow
- Gross margin
- Operating margin
- Net margin
- Free cash flow margin
- P/E ratio
- P/S ratio
- P/B ratio
- Price to free cash flow
- EV/EBITDA
- EV/Sales
- EV/FCF
- Return on equity
- Return on assets
- Return on invested capital
- Debt to equity
- Current ratio
- Total debt
- Book value per share
- Revenue growth
- Piotroski F-score
- Altman Z-score
- Beneish M-score
- The full statement