Watsco, Incorporated shares owned by William Blair $ Company
Quarter-by-quarter ownership of Watsco, Incorporated (WSO) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in Watsco, Incorporated
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Quarterly reported holdings in Watsco, Incorporated by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $323M | 800k | 404.30 |
| 2025-06-30 | $356M | 807k | 441.62 |
| 2025-03-31 | $414M | 815k | 508.30 |
| 2024-12-31 | $365M | 771k | 473.89 |
| 2024-09-30 | $386M | 785k | 491.88 |
| 2024-06-30 | $371M | 801k | 463.24 |
| 2024-03-31 | $342M | 792k | 431.97 |
| 2023-12-31 | $332M | 776k | 428.47 |
| 2023-09-30 | $291M | 771k | 377.72 |
| 2023-06-30 | $292M | 766k | 381.47 |
| 2023-03-31 | $232M | 730k | 318.16 |
| 2022-12-31 | $177M | 710k | 249.40 |
| 2022-09-30 | $180M | 699k | 257.46 |
| 2022-06-30 | $139M | 584k | 238.82 |
| 2022-03-31 | $179M | 588k | 304.64 |
| 2021-12-31 | $182M | 581k | 312.88 |
| 2021-09-30 | $153M | 579k | 264.62 |
| 2021-06-30 | $164M | 573k | 286.64 |
| 2021-03-31 | $147M | 564k | 260.75 |
| 2020-12-31 | $127M | 560k | 226.55 |
| 2020-09-30 | $131M | 562k | 232.89 |
| 2020-06-30 | $103M | 581k | 177.70 |
| 2020-03-31 | $95M | 602k | 158.03 |
| 2019-12-31 | $109M | 604k | 180.15 |
| 2019-09-30 | $104M | 614k | 169.18 |
| 2019-06-30 | $98M | 599k | 163.53 |
| 2019-03-31 | $86M | 602k | 143.21 |
| 2018-12-31 | $84M | 600k | 139.14 |
| 2018-09-30 | $138M | 777k | 178.10 |
| 2018-06-30 | $143M | 803k | 178.28 |
| 2018-03-31 | $149M | 823k | 180.97 |
| 2017-12-31 | $157M | 923k | 170.04 |
| 2017-09-30 | $146M | 903k | 161.07 |
| 2017-06-30 | $102M | 663k | 154.20 |
| 2017-03-31 | $85M | 586k | 144.51 |
| 2016-12-31 | $81M | 546k | 148.12 |
| 2016-09-30 | $76M | 541k | 140.90 |
| 2016-06-30 | $75M | 535k | 140.69 |
| 2016-03-31 | $68M | 508k | 134.74 |
| 2015-12-31 | $53M | 451k | 117.13 |
| 2015-09-30 | $45M | 377k | 118.48 |
| 2015-06-30 | $41M | 331k | 123.74 |
| 2015-03-31 | $42M | 334k | 125.70 |
| 2014-12-31 | $30M | 281k | 107.00 |
| 2014-09-30 | $22M | 257k | 86.18 |
| 2014-06-30 | $19M | 183k | 102.76 |
| 2014-03-31 | $19M | 185k | 99.91 |
| 2013-12-31 | $16M | 161k | 96.06 |
| 2013-09-30 | $15M | 156k | 94.27 |
| 2013-06-30 | $12M | 142k | 83.96 |
| 2013-03-31 | $3.7M | 44k | 84.19 |
| 2012-12-31 | $5.0M | 67k | 74.90 |
| 2012-09-30 | $5.1M | 67k | 75.78 |
| 2012-06-30 | $5.1M | 69k | 73.78 |
| 2011-12-31 | $4.4M | 67k | 65.66 |
| 2011-09-30 | $6.5M | 128k | 51.10 |
| 2011-03-31 | $8.9M | 128k | 69.70 |
| 2010-12-31 | $8.7M | 137k | 63.08 |