Westlake (WLK) Shares Outstanding (2009 - 2026)
Westlake (WLK) recorded Weighted Average Shares Outstanding of 128.04 million in Q2 2026, down 0.2% from 128.24 million a year earlier and unchanged from the prior quarter.
Powered by 
Analysis
Westlake (WLK) Shares Outstanding (2009 - 2026) Analysis & Trends
For FY2025, Westlake reported Weighted Average Shares Outstanding of 128.26 million, down 0.2% from FY2024.
- Annual Weighted Average Shares Outstanding has a five-year compound annual growth rate of 0.1% (FY2020 to FY2025).
- Across earlier years, Weighted Average Shares Outstanding came in at 128.54 million in FY2024 (+0.6%), 127.81 million in FY2023 (-0.1%), 127.97 million in FY2022 (unchanged) and 128 million in FY2021 (+0.1%).
- Quarterly Weighted Average Shares Outstanding has ranged from 127.55 million in Q1 2023 to 128.64 million in Q3 2024 over the past five years.
- On a year-over-year basis, Weighted Average Shares Outstanding has declined for five consecutive quarters, with an average year-over-year change of 0.0% over the last eight quarters.
- Peak year-over-year performance for Weighted Average Shares Outstanding in the last five years was growth of 0.7% in Q2 2024, against a decline of 0.5% in Q2 2023 at the low end.
- Per Business Quant, the preceding three quarters came in at 127.99 million (Q1 2026), 128.26 million (Q4 2025) and 128.25 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Qtr) |
|---|---|---|---|---|---|
| 1 | Linde | 239.54 Bn | 223.24 Bn | 4.44 Bn | 460.61 Mn |
| 2 | Corning | 96.61 Bn | 88.91 Bn | 1.81 Bn | 863.00 Mn |
| 3 | Sherwin Williams | 85.84 Bn | 84.86 Bn | 3.28 Bn | 240.70 Mn |
| 4 | Air Products & Chemicals | 69.53 Bn | 72.40 Bn | - | 222.80 Mn |
| 5 | LyondellBasell Industries | 39.13 Bn | 27.31 Bn | 1.50 Bn | 646.00 Mn |
| 6 | Nutrien | 34.78 Bn | 31.35 Bn | 1.86 Bn | 486.34 Mn |
| 7 | Ppg Industries | 27.48 Bn | 20.55 Bn | 1.76 Bn | 222.20 Mn |
| 8 | Qnity Electronics | 25.83 Bn | 22.27 Bn | 743.00 Mn | 209.40 Mn |
| 9 | Ati | 24.82 Bn | 22.90 Bn | 380.20 Mn | 136.10 Mn |
| 10 | Westlake | 8.08 Bn | -644.94 Mn | 382.00 Mn | 127.83 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 127.83 Mn |
| Jun 30, 2026 | 128.04 Mn |
| Mar 31, 2026 | 127.99 Mn |
| Dec 31, 2025 | 128.26 Mn |
| Sep 30, 2025 | 128.25 Mn |
| Jun 30, 2025 | 128.24 Mn |
| Mar 31, 2025 | 128.31 Mn |
| Dec 31, 2024 | 128.54 Mn |
| Sep 30, 2024 | 128.64 Mn |
| Jun 30, 2024 | 128.58 Mn |
| Mar 31, 2024 | 128.36 Mn |
| Dec 31, 2023 | 127.81 Mn |
| Sep 30, 2023 | 127.85 Mn |
| Jun 30, 2023 | 127.65 Mn |
| Mar 31, 2023 | 127.55 Mn |
| Dec 31, 2022 | 127.97 Mn |
| Sep 30, 2022 | 127.94 Mn |
| Jun 30, 2022 | 128.34 Mn |
| Mar 31, 2022 | 128.07 Mn |
| Dec 31, 2021 | 128.00 Mn |
API Access
Westlake Shares Outstanding API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=shares-outstanding&ticker=WLK&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding", "ticker": "WLK", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=shares-outstanding&ticker=WLK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();