Williams Companies (WMB) Market Capitalization (2009 - 2026)
Williams Companies (WMB) reported Market Capitalization of $90.93 billion for Q2 2026, up 18.5% from $76.75 billion a year earlier and up 2.2% from the prior quarter.
Williams Companies (WMB) Market Capitalization (2009 - 2026) Analysis & Trends
For FY2025, Williams Companies posted Market Capitalization of $73.43 billion, up 11.3% from FY2024.
- Market Capitalization has increased for five consecutive years, with a five-year compound annual growth rate of 24.7% (FY2020 to FY2025).
- By year, Market Capitalization came in at $65.99 billion in FY2024 (+55.6%), $42.42 billion in FY2023 (+5.8%), $40.08 billion in FY2022 (+26.6%) and $31.65 billion in FY2021 (+30.1%).
- The Q2 2026 figure ranks as the highest quarterly Market Capitalization in data going back to Q1 2009.
- Year over year, Market Capitalization has now increased in each of the last 13 quarters, with growth averaging 35.5% over the last eight quarters.
- The high point for year-over-year Market Capitalization in five years was Q4 2024 (growth of 55.6%); the low point was Q1 2023 (a decline of 10.6%).
- Per Business Quant data, the three quarters before Q2 2026 came in at $89.01 billion (Q1 2026), $73.43 billion (Q4 2025) and $77.36 billion (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Enbridge | 104.98 Bn | 100.58 Bn | 4.84 Bn |
| 2 | Williams Companies | 88.87 Bn | 87.59 Bn | 2.54 Bn |
| 3 | Enterprise Products Partners | 79.53 Bn | 77.92 Bn | - |
| 4 | Kinder Morgan | 75.61 Bn | 75.31 Bn | 3.07 Bn |
| 5 | Energy Transfer | 69.41 Bn | 62.59 Bn | 7.40 Bn |
| 6 | Tc Energy | 65.03 Bn | 61.11 Bn | 2.81 Bn |
| 7 | Targa Resources | 63.36 Bn | 62.83 Bn | 2.14 Bn |
| 8 | Cheniere Energy | 59.32 Bn | 54.14 Bn | 5.29 Bn |
| 9 | Mplx | 59.23 Bn | 52.79 Bn | 2.91 Bn |
| 10 | Oneok | 58.49 Bn | 56.88 Bn | 2.81 Bn |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 90.93 Bn |
| Mar 31, 2026 | 89.01 Bn |
| Dec 31, 2025 | 73.43 Bn |
| Sep 30, 2025 | 77.36 Bn |
| Jun 30, 2025 | 76.75 Bn |
| Mar 31, 2025 | 72.97 Bn |
| Dec 31, 2024 | 65.99 Bn |
| Sep 30, 2024 | 55.65 Bn |
| Jun 30, 2024 | 51.80 Bn |
| Mar 31, 2024 | 47.49 Bn |
| Dec 31, 2023 | 42.38 Bn |
| Sep 30, 2023 | 40.98 Bn |
| Jun 30, 2023 | 39.69 Bn |
| Mar 31, 2023 | 36.38 Bn |
| Dec 31, 2022 | 40.09 Bn |
| Sep 30, 2022 | 34.88 Bn |
| Jun 30, 2022 | 38.03 Bn |
| Mar 31, 2022 | 40.69 Bn |
| Dec 31, 2021 | 31.65 Bn |
| Sep 30, 2021 | 31.52 Bn |
Williams Companies Market Capitalization 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=market-capitalization&ticker=WMB&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "WMB", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=market-capitalization&ticker=WMB&period=max&api_key=YOUR_API_KEY");
const data = await res.json();