Westlake annual shares outstanding
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Westlake Shares Outstanding History (WLK)
Westlake reported 127.9M shares outstanding at the end of fiscal 2025.
View full Westlake company overviewWestlake annual shares outstanding history
| Fiscal year | Period ended | Shares outstanding | Change | Growth |
|---|---|---|---|---|
| 2025 | 2025-12-31 | 127.9M | −319,171 | −0.25% |
| 2024 | 2024-12-31 | 128.2M | 13,302 | +0.01% |
| 2023 | 2023-12-31 | 128.2M | 853,636 | +0.67% |
| 2022 | 2022-12-31 | 127.4M | −558,087 | −0.44% |
| 2021 | 2021-12-31 | 127.9M | 86,539 | +0.07% |
| 2020 | 2020-12-31 | 127.8M | −558,634 | −0.44% |
| 2019 | 2019-12-31 | 128.4M | −81,593 | −0.06% |
| 2018 | 2018-12-31 | 128.5M | −945,459 | −0.73% |
| 2017 | 2017-12-31 | 129.4M | 494,802 | +0.38% |
| 2016 | 2016-12-31 | 128.9M | −1.3M | −0.99% |
| 2015 | 2015-12-31 | 130.2M | −2.6M | −1.99% |
| 2014 | 2014-12-31 | 132.9M | 66.2M | +99.29% |
| 2013 | 2013-12-31 | 66.7M | −67.1M | −50.18% |
| 2012 | 2012-12-31 | 133.8M | 735,920 | +0.55% |
| 2011 | 2011-12-31 | 133.1M | 557,862 | +0.42% |
| 2010 | 2010-12-31 | 132.5M | — | — |
Westlake quarterly shares outstanding
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| Fiscal quarter | Period ended | Shares outstanding | Change | YoY change |
|---|---|---|---|---|
| Q2 2026 | 2026-06-30 | 127.8M | −449,718 | −0.35% |
| Q1 2026 | 2026-03-31 | 128.1M | −115,072 | −0.09% |
| Q4 2025 | 2025-12-31 | 127.9M | −319,171 | −0.25% |
| Q3 2025 | 2025-09-30 | 128.3M | −432,579 | −0.34% |
| Q2 2025 | 2025-06-30 | 128.2M | −339,376 | −0.26% |
| Q1 2025 | 2025-03-31 | 128.2M | −331,952 | −0.26% |
| Q4 2024 | 2024-12-31 | 128.2M | 13,302 | +0.01% |
| Q3 2024 | 2024-09-30 | 128.7M | 565,031 | +0.44% |
| Q2 2024 | 2024-06-30 | 128.6M | 898,346 | +0.70% |
| Q1 2024 | 2024-03-31 | 128.6M | 929,068 | +0.73% |
| Q4 2023 | 2023-12-31 | 128.2M | 853,636 | +0.67% |
| Q3 2023 | 2023-09-30 | 128.1M | 603,169 | +0.47% |
| Q2 2023 | 2023-06-30 | 127.7M | −273,931 | −0.21% |
| Q1 2023 | 2023-03-31 | 127.6M | −688,300 | −0.54% |
| Q4 2022 | 2022-12-31 | 127.4M | −558,087 | −0.44% |
| Q3 2022 | 2022-09-30 | 127.5M | −284,365 | −0.22% |
| Q2 2022 | 2022-06-30 | 128.0M | −189,190 | −0.15% |
| Q1 2022 | 2022-03-31 | 128.3M | 196,587 | +0.15% |
| Q4 2021 | 2021-12-31 | 127.9M | 86,539 | +0.07% |
| Q3 2021 | 2021-09-30 | 127.8M | 100,286 | +0.08% |
| Q2 2021 | 2021-06-30 | 128.2M | 462,107 | +0.36% |
| Q1 2021 | 2021-03-31 | 128.1M | 460,133 | +0.36% |
| Q4 2020 | 2020-12-31 | 127.8M | −558,634 | −0.44% |
| Q3 2020 | 2020-09-30 | 127.7M | −618,372 | −0.48% |
| Q2 2020 | 2020-06-30 | 127.7M | −580,430 | −0.45% |
| Q1 2020 | 2020-03-31 | 127.7M | −920,593 | −0.72% |
| Q4 2019 | 2019-12-31 | 128.4M | −81,593 | −0.06% |
| Q3 2019 | 2019-09-30 | 128.3M | −825,341 | −0.64% |
| Q2 2019 | 2019-06-30 | 128.3M | −1.4M | −1.07% |
| Q1 2019 | 2019-03-31 | 128.6M | −1.0M | −0.77% |
| Q4 2018 | 2018-12-31 | 128.5M | −945,459 | −0.73% |
| Q3 2018 | 2018-09-30 | 129.2M | 57,944 | +0.04% |
| Q2 2018 | 2018-06-30 | 129.7M | 601,321 | +0.47% |
| Q1 2018 | 2018-03-31 | 129.6M | 547,530 | +0.42% |
| Q4 2017 | 2017-12-31 | 129.4M | 494,802 | +0.38% |
| Q3 2017 | 2017-09-30 | 129.1M | 204,306 | +0.16% |
| Q2 2017 | 2017-06-30 | 129.1M | 272,043 | +0.21% |
| Q1 2017 | 2017-03-31 | 129.0M | −1.3M | −0.97% |
| Q4 2016 | 2016-12-31 | 128.9M | −1.3M | −0.99% |
| Q3 2016 | 2016-09-30 | 128.9M | −1.7M | −1.34% |
| Q2 2016 | 2016-06-30 | 128.8M | −3.2M | −2.39% |
| Q1 2016 | 2016-03-31 | 130.3M | −2.6M | −1.92% |
| Q4 2015 | 2015-12-31 | 130.2M | −2.6M | −1.99% |
| Q3 2015 | 2015-09-30 | 130.7M | −2.4M | −1.83% |
| Q2 2015 | 2015-06-30 | 131.9M | −1.5M | −1.16% |
| Q1 2015 | 2015-03-31 | 132.9M | −567,140 | −0.43% |
| Q4 2014 | 2014-12-31 | 132.9M | 66.2M | +99.29% |
| Q3 2014 | 2014-09-30 | 133.1M | −458,976 | −0.34% |
| Q2 2014 | 2014-06-30 | 133.5M | −138,969 | −0.10% |
| Q1 2014 | 2014-03-31 | 133.4M | −125,614 | −0.09% |
| Q4 2013 | 2013-12-31 | 66.7M | −67.1M | −50.18% |
| Q3 2013 | 2013-09-30 | 133.5M | 145,258 | +0.11% |
| Q2 2013 | 2013-06-30 | 133.6M | 413,644 | +0.31% |
| Q1 2013 | 2013-03-31 | 133.6M | 318,340 | +0.24% |
| Q4 2012 | 2012-12-31 | 133.8M | 735,920 | +0.55% |
| Q3 2012 | 2012-09-30 | 133.4M | 190,864 | +0.14% |
| Q2 2012 | 2012-06-30 | 133.2M | 19,750 | +0.01% |
| Q1 2012 | 2012-03-31 | 133.2M | — | — |
| Q4 2011 | 2011-12-31 | 133.1M | 557,862 | +0.42% |
| Q3 2011 | 2011-09-30 | 133.2M | — | — |
| Q2 2011 | 2011-06-30 | 133.2M | — | — |
| Q4 2010 | 2010-12-31 | 132.5M | — | — |
Westlake Share Buyback History
A share buyback, also called a stock repurchase, is when a company uses cash to buy its own shares. Westlake share buyback history shows the reported cash used for repurchases. Buybacks can reduce shares outstanding, but issuance, stock-based compensation, acquisitions, and stock splits can change the share count separately.
Westlake used $63.0M to repurchase common stock in fy 2025. Across the latest 5 reported fiscal years, total share repurchases were $277.0M. The latest reported quarter showed $30.0M of share repurchases.
| Fiscal year | Period ended | Share repurchases |
|---|---|---|
| 2025 | 2025-12-31 | $63.0M |
| 2024 | 2024-12-31 | $60.0M |
| 2023 | 2023-12-31 | $23.0M |
| 2022 | 2022-12-31 | $101.0M |
| 2021 | 2021-12-31 | $30.0M |
| 2020 | 2020-12-31 | $54.0M |
| 2019 | 2019-12-31 | $30.0M |
| 2018 | 2018-12-31 | $106.0M |
| 2017 | 2017-12-31 | $0 |
| 2016 | 2016-12-31 | $67.0M |
TickerStat uses SEC-reported cash payments for common-stock repurchases. The amounts describe capital returned through buybacks; they are not a forecast or a measure of the number of shares retired.
Westlake shares outstanding trends
Over the last five fiscal years, Westlake's shares outstanding moved from 127.8M to 127.9M, a change of 76,219. The latest reported quarter, Q2 2026, shows 127.8M.
About the metric
What shares outstanding means
Shares outstanding is the number of common shares held by investors at a reporting-period end. The count can change because of stock issuance, repurchases, conversions, acquisitions, or stock splits.
Calculation and source
SEC-reported period-end shares
TickerStat displays period-end common shares from SEC filings and adjusts older values to the current share basis when a stock-split conversion ratio is reported directly or evidenced by a later filing’s restated historical share balance. After repeated reverse splits, an old period can represent less than one current-basis share; this is a split-adjusted equivalent, not a literal historical certificate count. Values remain as reported when no reliable split ratio is available. Fiscal periods can differ from calendar years, so exact period-end dates are included.
Review Westlake source filings ↗