Watsco (WSO-B) Market Capitalization (2009 - 2026)
Watsco's Market Capitalization came in at $10.77 billion for Q3 2026, down 23.7% from $14.12 billion a year earlier and down 27.4% from the prior quarter.
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Analysis
Watsco (WSO-B) Market Capitalization (2009 - 2026) Analysis & Trends
For FY2025, Watsco's Market Capitalization was $13.14 billion, down 28.6% from FY2024.
- Market Capitalization carries a five-year compound annual growth rate of 9.0% (FY2020 to FY2025).
- Going back by year, Market Capitalization was $18.42 billion in FY2024 (+11.0%), $16.58 billion in FY2023 (+74.5%), $9.5 billion in FY2022 (-19.8%) and $11.85 billion in FY2021 (+38.8%).
- The Q3 2026 figure represents the lowest quarterly Market Capitalization since Q1 2023.
- Year-over-year, Market Capitalization has declined for six consecutive quarters, with an average decline of 9.6% over the last eight quarters.
- The fastest year-over-year change in Market Capitalization over five years came in Q4 2023 (growth of 74.5%), and the weakest in Q4 2025 (a decline of 28.6%).
- Business Quant data shows WSO-B's Market Capitalization at $14.83 billion (Q2 2026), $12.73 billion (Q1 2026) and $13.14 billion (Q4 2025) in the three quarters before Q3 2026.
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Peer Comparison
Historic Data
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Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 10.77 Bn |
| Jun 30, 2026 | 14.83 Bn |
| Mar 31, 2026 | 12.73 Bn |
| Dec 31, 2025 | 13.14 Bn |
| Sep 30, 2025 | 14.12 Bn |
| Jun 30, 2025 | 15.41 Bn |
| Mar 31, 2025 | 17.73 Bn |
| Dec 31, 2024 | 18.42 Bn |
| Sep 30, 2024 | 17.13 Bn |
| Jun 30, 2024 | 16.12 Bn |
| Mar 31, 2024 | 15.01 Bn |
| Dec 31, 2023 | 16.58 Bn |
| Sep 30, 2023 | 12.79 Bn |
| Jun 30, 2023 | 12.79 Bn |
| Mar 31, 2023 | 10.63 Bn |
| Dec 31, 2022 | 9.50 Bn |
| Sep 30, 2022 | 8.56 Bn |
| Jun 30, 2022 | 7.93 Bn |
| Mar 31, 2022 | 10.10 Bn |
| Dec 31, 2021 | 11.85 Bn |
API Access
Watsco 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=WSO-B&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "WSO-B", "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=WSO-B&period=max&api_key=YOUR_API_KEY");
const data = await res.json();