Caledonia Investments Boosts Stake in Watsco, Inc.

Institutional investor increases ownership in construction company to over 0.5% of shares outstanding

Apr. 3, 2026 at 8:55am

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A high-end, photorealistic studio still-life photograph featuring a polished metal HVAC vent cover, a sleek digital thermostat, and a smooth copper pipe fitting arranged elegantly on a clean, monochromatic seamless background, conceptually representing the abstract concepts of climate control, construction supply chains, and corporate strategy.Refined industrial components symbolize the precision and innovation driving Watsco's HVAC distribution business.Today in Miami

Caledonia Investments PLC, a UK-based institutional investor, grew its stake in Watsco, Inc. (NYSE: WSO) by 6.2% during the fourth quarter, according to a recent SEC filing. Caledonia now owns 232,927 shares of the construction company's stock, making it the firm's 4th largest holding and representing 0.57% of Watsco's total shares outstanding.

Why it matters

Watsco is a major distributor of HVAC equipment, parts and supplies, serving both residential and commercial contractors across the U.S. and Canada. The company's stock performance and ownership changes can provide insights into the overall health of the construction and climate control industries.

The details

According to the filing, Caledonia Investments purchased an additional 13,500 shares of Watsco during the fourth quarter, bringing its total position to 232,927 shares. This represents a 6.2% increase in the firm's stake in the company. Watsco makes up about 8.7% of Caledonia's overall investment portfolio, making it one of the firm's top holdings.

  • Caledonia Investments disclosed the increased stake in Watsco in a 13F filing with the SEC on April 3, 2026, covering the fourth quarter of 2025.

The players

Caledonia Investments PLC

A UK-based institutional investment firm that owns a significant stake in Watsco, Inc.

Watsco, Inc.

A leading distributor of HVAC equipment, parts and supplies in the United States and Canada, serving both residential and commercial contractors.

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The takeaway

Caledonia Investments' increased stake in Watsco suggests the institutional investor sees continued growth potential in the HVAC distribution market, which could be a positive sign for the broader construction and climate control industries.