| SC 13G/A | 2019-01-31 | BlackRock Inc. | WATSCO INC | 3,663,158 | 11.4% | EDGAR |
| SC 13G/A | 2018-04-06 | BlackRock Inc. | WATSCO INC | 3,628,080 | 11.3% | EDGAR |
| SC 13G | 2018-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | WATSCO INC | 2,072,770 | 6.7% | EDGAR |
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | WATSCO INC | 2,578,430 | 8.4% | EDGAR |
| SC 13G/A | 2018-01-23 | BlackRock Inc. | WATSCO INC | 2,682,903 | 8.8% | EDGAR |
| SC 13G/A | 2017-02-28 | UNITED TECHNOLOGIES CORP /DE/ | WATSCO INC | 94,784 | 0.3% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | WATSCO INC | 1,936,484 | 6.4% | EDGAR |
| SC 13G/A | 2017-01-27 | BlackRock Inc. | WATSCO INC | 2,221,975 | 7.3% | EDGAR |
| SC 13G/A | 2016-11-07 | JPMORGAN CHASE & CO | WATSCO INC | 998,103 | 3.2% | EDGAR |
| SC 13G/A | 2016-02-11 | VANGUARD GROUP INC | WATSCO INC | 1,728,363 | 5.7% | EDGAR |
| SC 13G | 2016-02-01 | JPMORGAN CHASE & CO | WATSCO INC | - | - | EDGAR |
| SC 13G/A | 2016-01-27 | BlackRock Inc. | WATSCO INC | 2,056,761 | 6.8% | EDGAR |
| SC 13G/A | 2015-09-10 | FMR LLC | WATSCO INC | 1,286,710 | 4.3% | EDGAR |
| SC 13G | 2015-02-13 | FMR LLC | WATSCO INC | 2,933,652 | 9.7% | EDGAR |
| SC 13G/A | 2015-02-10 | VANGUARD GROUP INC | WATSCO INC | 1,598,254 | 5.3% | EDGAR |
| SC 13G/A | 2015-01-23 | BlackRock Inc. | WATSCO INC | 2,435,121 | 8.1% | EDGAR |
| SC 13G/A | 2014-02-12 | VANGUARD GROUP INC | WATSCO INC | 1,533,891 | 5.1% | EDGAR |
| SC 13G/A | 2014-01-31 | BlackRock Inc. | WATSCO INC | 2,773,486 | 9.2% | EDGAR |
| SC 13G/A | 2014-01-10 | FMR LLC | WATSCO INC | 775,341 | 2.6% | EDGAR |
| SC 13G/A | 2013-02-14 | FMR LLC | WATSCO INC | 2,719,883 | 9.1% | EDGAR |