William Blair & Company’s Watsco Inc WSO Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $212M | Sell |
582,700
-92,740
| -14% | -$35.9M | 0.61% | 37 |
|
|
2025
Q4 | $228M | Sell |
675,440
-124,516
| -16% | -$44.5M | 0.61% | 36 |
|
|
2025
Q3 | $323M | Sell |
799,956
-6,700
| -0.8% | -$2.86M | 0.86% | 22 |
|
|
2025
Q2 | $356M | Sell |
806,656
-8,056
| -1% | -$3.74M | 0.99% | 19 |
|
|
2025
Q1 | $414M | Buy |
814,712
+43,776
| +6% | +$21.6M | 1.25% | 14 |
|
|
2024
Q4 | $365M | Sell |
770,936
-14,109
| -2% | -$7.15M | 1.06% | 16 |
|
|
2024
Q3 | $386M | Sell |
785,045
-16,107
| -2% | -$7.74M | 1.13% | 16 |
|
|
2024
Q2 | $371M | Buy |
801,152
+9,141
| +1% | +$4.18M | 1.14% | 17 |
|
|
2024
Q1 | $342M | Buy |
792,011
+16,487
| +2% | +$6.62M | 1.07% | 18 |
|
|
2023
Q4 | $332M | Buy |
775,524
+5,048
| +0.7% | +$1.96M | 1.13% | 18 |
|
|
2023
Q3 | $291M | Buy |
770,476
+4,997
| +0.7% | +$1.81M | 1.12% | 19 |
|
|
2023
Q2 | $292M | Buy |
765,479
+35,609
| +5% | +$12.1M | 1.07% | 18 |
|
|
2023
Q1 | $232M | Buy |
729,870
+20,318
| +3% | +$5.97M | 0.93% | 22 |
|
|
2022
Q4 | $177M | Buy |
709,552
+10,421
| +1% | +$2.74M | 0.77% | 29 |
|
|
2022
Q3 | $180M | Buy |
699,131
+115,614
| +20% | +$31.3M | 0.83% | 24 |
|
|
2022
Q2 | $139M | Sell |
583,517
-3,998
| -0.7% | -$1.05M | 0.62% | 38 |
|
|
2022
Q1 | $179M | Buy |
587,515
+6,740
| +1% | +$1.92M | 0.63% | 38 |
|
|
2021
Q4 | $182M | Buy |
580,775
+1,700
| +0.3% | +$504K | 0.57% | 40 |
|
|
2021
Q3 | $153M | Buy |
579,075
+6,411
| +1% | +$1.8M | 0.52% | 41 |
|
|
2021
Q2 | $164M | Buy |
572,664
+8,305
| +1% | +$2.38M | 0.57% | 41 |
|
|
2021
Q1 | $147M | Buy |
564,359
+4,333
| +0.8% | +$1.07M | 0.56% | 41 |
|
|
2020
Q4 | $127M | Sell |
560,026
-1,613
| -0.3% | -$371K | 0.47% | 51 |
|
|
2020
Q3 | $131M | Sell |
561,639
-19,108
| -3% | -$4.3M | 0.55% | 42 |
|
|
2020
Q2 | $103M | Sell |
580,747
-21,599
| -4% | -$3.57M | 0.49% | 43 |
|
|
2020
Q1 | $95.2M | Sell |
602,346
-1,826
| -0.3% | -$308K | 0.6% | 41 |
|
|
2019
Q4 | $109M | Sell |
604,172
-9,678
| -2% | -$1.7M | 0.56% | 40 |
|
|
2019
Q3 | $104M | Buy |
613,850
+14,517
| +2% | +$2.35M | 0.6% | 38 |
|
|
2019
Q2 | $98M | Sell |
599,333
-2,188
| -0.4% | -$344K | 0.56% | 44 |
|
|
2019
Q1 | $86.1M | Buy |
601,521
+1,534
| +0.3% | +$220K | 0.53% | 47 |
|
|
2018
Q4 | $83.5M | Sell |
599,987
-176,549
| -23% | -$26.9M | 0.61% | 37 |
|
|
2018
Q3 | $138M | Sell |
776,536
-26,713
| -3% | -$4.72M | 0.85% | 23 |
|
|
2018
Q2 | $143M | Sell |
803,249
-19,611
| -2% | -$3.57M | 0.97% | 17 |
|
|
2018
Q1 | $149M | Sell |
822,860
-100,082
| -11% | -$17.3M | 1.05% | 15 |
|
|
2017
Q4 | $157M | Buy |
922,942
+19,622
| +2% | +$3.24M | 1.07% | 16 |
|
|
2017
Q3 | $145M | Buy |
903,320
+240,327
| +36% | +$36.3M | 1.09% | 12 |
|
|
2017
Q2 | $102M | Buy |
662,993
+76,844
| +13% | +$11M | 0.77% | 27 |
|
|
2017
Q1 | $84.7M | Buy |
586,149
+39,700
| +7% | +$5.94M | 0.68% | 32 |
|
|
2016
Q4 | $80.9M | Buy |
546,449
+5,267
| +1% | +$763K | 0.72% | 28 |
|
|
2016
Q3 | $76.3M | Buy |
541,182
+5,939
| +1% | +$851K | 0.67% | 33 |
|
|
2016
Q2 | $75.3M | Buy |
535,243
+27,337
| +5% | +$3.67M | 0.7% | 33 |
|
|
2016
Q1 | $68.4M | Buy |
507,906
+57,017
| +13% | +$6.92M | 0.64% | 37 |
|
|
2015
Q4 | $52.8M | Buy |
450,889
+74,023
| +20% | +$9.13M | 0.5% | 60 |
|
|
2015
Q3 | $44.7M | Buy |
376,866
+45,999
| +14% | +$5.73M | 0.39% | 76 |
|
|
2015
Q2 | $40.9M | Sell |
330,867
-3,074
| -0.9% | -$383K | 0.06% | 399 |
|
|
2015
Q1 | $42M | Buy |
333,941
+53,329
| +19% | +$6.12M | 0.06% | 374 |
|
|
2014
Q4 | $30M | Buy |
280,612
+23,533
| +9% | +$2.34M | 0.05% | 464 |
|
|
2014
Q3 | $22.2M | Buy |
257,079
+74,281
| +41% | +$6.87M | 0.04% | 544 |
|
|
2014
Q2 | $18.8M | Sell |
182,798
-2,198
| -1% | -$222K | 0.03% | 589 |
|
|
2014
Q1 | $18.5M | Buy |
184,996
+24,020
| +15% | +$2.32M | 0.03% | 581 |
|
|
2013
Q4 | $15.5M | Buy |
160,976
+4,698
| +3% | +$446K | 0.03% | 634 |
|
|
2013
Q3 | $14.7M | Buy |
156,278
+13,967
| +10% | +$1.28M | 0.03% | 604 |
|
|
2013
Q2 | $11.9M | Buy |
+142,311
| New | +$12M | 0.02% | 645 |
|
Other funds holding WSO
VPM
VCM
William Blair & Company's WSO Position: Q1 2026 in Review
William Blair & Company reduced its Watsco Inc (WSO) stake by 14% in Q1 2026, selling an estimated $35.9M and leaving 582,700 shares worth $212M. The position accounts for 0.61% of the portfolio, ranked #37.
William Blair & Company first reported a position in WSO in Q2 2013 and has held it in 52 quarters since. The position peaked at $414M in Q1 2025. 767 funds tracked by Wall St. Rank hold WSO as of Q1 2026.
- William Blair & Company held 582,700 shares of Watsco Inc worth $212M as of Q1 2026.
- William Blair & Company sold 92,740 Watsco Inc shares in Q1 2026, an estimated $35.9M.
- Watsco Inc made up 0.61% of William Blair & Company's portfolio in Q1 2026, its #37 holding.
- William Blair & Company first reported a position in Watsco Inc in Q2 2013 and has held it in 52 quarters since.
- William Blair & Company's Watsco Inc position peaked at $414M in Q1 2025.
- 767 funds tracked by Wall St. Rank held Watsco Inc as of Q1 2026.
Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.