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The series is stated in the current share scale after splits; dividends are not included in the price
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| September 17, 2026 | 309.98 | 311.78 | 302.88 | 305.36 | 421,031 |
| September 16, 2026 | 304.83 | 310.79 | 301.95 | 304.20 | 443,200 |
| September 15, 2026 | 311.48 | 311.59 | 302.24 | 302.66 | 358,500 |
| September 14, 2026 | 310.92 | 315.07 |
Based on reports through December 31, 2025
The issuer has several share classes — market cap covers the whole company.
Watsco distributes heating and cooling equipment to installation crews — a distributor, not a manufacturer.
An air conditioner fails in a heatwave and the installer takes whatever is in the depot round the corner. What decides is therefore not price but network density and availability: hundreds of branches hold equipment and parts near the crews, and the contractor goes where nothing has to be waited for.
The company manufactures nothing and therefore carries no factory capital costs; it grows by buying family-owned distributors and moving them onto a common ordering system. Replacement outweighs new construction, which makes demand steadier. Risks: a cool summer, inventory after refrigerant rule changes and acquisition prices. The dividend is high.
Address:2665 S BAYSHORE DR STE 901, COCONUT GROVE, FL, 33133, US
| 2.3bn |
| ASMLASML Holding N.V. | 1,647 | +1.06 % | 2.1bn |
| CATCaterpillar, Inc. | 801.49 | +0.37 % | 2.0bn |
| MAMastercard Incorporated | 566.25 | +9.20 % | 1.5bn |
| UBERUber Technologies, Inc. | 70.46 | −0.58 % | 1.4bn |
| 306.87 |
| 311.58 |
| 451,300 |
| September 11, 2026 | 314.32 | 318.30 | 313.44 | 314.22 | 323,300 |
| September 10, 2026 | 307.01 | 312.96 | 303.38 | 310.90 | 373,500 |
| September 09, 2026 | 313.21 | 316.56 | 309.43 | 309.75 | 328,500 |
| September 08, 2026 | 316.87 | 319.97 | 315.38 | 316.02 | 402,600 |
| September 04, 2026 | 315.10 | 318.32 | 312.91 | 315.13 | 281,400 |
| September 03, 2026 | 310.91 | 316.58 | 307.01 | 315.38 | 378,400 |
| September 02, 2026 | 313.63 | 316.93 | 305.92 | 308.92 | 550,100 |
| September 01, 2026 | 305.02 | 315.12 | 305.02 | 314.98 | 730,700 |
| August 31, 2026 | 309.55 | 311.50 | 306.93 | 309.82 | 649,200 |
| August 28, 2026 | 315.96 | 319.54 | 306.12 | 310.76 | 416,100 |
| August 27, 2026 | 313.17 | 315.60 | 306.90 | 313.05 | 651,300 |
| August 26, 2026 | 303.98 | 315.65 | 303.00 | 314.39 | 450,500 |
| August 25, 2026 | 312.51 | 313.45 | 295.75 | 302.29 | 1m |
| August 24, 2026 | 312.36 | 316.39 | 309.47 | 310.80 | 296,600 |
| August 21, 2026 | 315.19 | 318.34 | 311.32 | 311.94 | 435,500 |
| August 20, 2026 | 313.26 | 320.12 | 312.05 | 314.45 | 296,600 |