William Blair & Company’s Waste Connections WCN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $5.86M | Sell |
35,134
-5,501
| -14% | -$871K | 0.02% | 488 |
|
|
2026
Q1 | $6.6M | Sell |
40,635
-37,546
| -48% | -$6.26M | 0.02% | 436 |
|
|
2025
Q4 | $13.7M | Sell |
78,181
-7,286
| -9% | -$1.26M | 0.04% | 296 |
|
|
2025
Q3 | $15M | Sell |
85,467
-1,781
| -2% | -$324K | 0.04% | 277 |
|
|
2025
Q2 | $16.3M | Buy |
87,248
+6,449
| +8% | +$1.24M | 0.05% | 259 |
|
|
2025
Q1 | $15.8M | Sell |
80,799
-948
| -1% | -$175K | 0.05% | 247 |
|
|
2024
Q4 | $14M | Sell |
81,747
-1,625
| -2% | -$295K | 0.04% | 291 |
|
|
2024
Q3 | $14.9M | Buy |
83,372
+1,475
| +2% | +$267K | 0.04% | 277 |
|
|
2024
Q2 | $14.4M | Buy |
81,897
+1,998
| +3% | +$334K | 0.04% | 270 |
|
|
2024
Q1 | $13.7M | Sell |
79,899
-2,113
| -3% | -$340K | 0.04% | 283 |
|
|
2023
Q4 | $12.2M | Buy |
82,012
+3,884
| +5% | +$533K | 0.04% | 282 |
|
|
2023
Q3 | $10.5M | Buy |
78,128
+2,702
| +4% | +$378K | 0.04% | 291 |
|
|
2023
Q2 | $10.8M | Buy |
75,426
+2,263
| +3% | +$316K | 0.04% | 304 |
|
|
2023
Q1 | $10.2M | Buy |
73,163
+4,568
| +7% | +$608K | 0.04% | 299 |
|
|
2022
Q4 | $9.09M | Buy |
68,595
+18,709
| +38% | +$2.54M | 0.04% | 308 |
|
|
2022
Q3 | $6.74M | Buy |
49,886
+7,214
| +17% | +$984K | 0.03% | 356 |
|
|
2022
Q2 | $5.29M | Buy |
42,672
+2,148
| +5% | +$278K | 0.02% | 407 |
|
|
2022
Q1 | $5.66M | Buy |
40,524
+10,473
| +35% | +$1.34M | 0.02% | 436 |
|
|
2021
Q4 | $4.09M | Buy |
30,051
+7,185
| +31% | +$955K | 0.01% | 524 |
|
|
2021
Q3 | $2.88M | Buy |
22,866
+441
| +2% | +$55.8K | 0.01% | 606 |
|
|
2021
Q2 | $2.68M | Sell |
22,425
-10
| -0% | -$1.19K | 0.01% | 612 |
|
|
2021
Q1 | $2.42M | Sell |
22,435
-10,739
| -32% | -$1.09M | 0.01% | 629 |
|
|
2020
Q4 | $3.4M | Buy |
33,174
+1,329
| +4% | +$137K | 0.01% | 519 |
|
|
2020
Q3 | $3.31M | Sell |
31,845
-13
| -0% | -$1.3K | 0.01% | 478 |
|
|
2020
Q2 | $2.99M | Buy |
31,858
+328
| +1% | +$29.2K | 0.01% | 477 |
|
|
2020
Q1 | $2.44M | Buy |
31,530
+118
| +0.4% | +$11.1K | 0.02% | 474 |
|
|
2019
Q4 | $2.85M | Buy |
31,412
+1,238
| +4% | +$112K | 0.01% | 524 |
|
|
2019
Q3 | $2.78M | Buy |
30,174
+180
| +0.6% | +$16.6K | 0.02% | 499 |
|
|
2019
Q2 | $2.87M | Buy |
29,994
+15,643
| +109% | +$1.44M | 0.02% | 486 |
|
|
2019
Q1 | $1.27M | Buy |
14,351
+10,604
| +283% | +$874K | 0.01% | 668 |
|
|
2018
Q4 | $278K | Buy |
+3,747
| New | +$285K | ﹤0.01% | 1109 |
|
Other funds holding WCN
William Blair & Company's WCN Position: Q2 2026 in Review
William Blair & Company reduced its Waste Connections (WCN) stake by 14% in Q2 2026, selling an estimated $871K and leaving 35,134 shares worth $5.86M. The position accounts for 0.02% of the portfolio, ranked #488.
William Blair & Company first reported a position in WCN in Q4 2018 and has held it in 31 quarters since. The position peaked at $16.3M in Q2 2025. 841 funds tracked by Wall St. Rank hold WCN as of Q2 2026.
- William Blair & Company held 35,134 shares of Waste Connections worth $5.86M as of Q2 2026.
- William Blair & Company sold 5,501 Waste Connections shares in Q2 2026, an estimated $871K.
- Waste Connections made up 0.02% of William Blair & Company's portfolio in Q2 2026, its #488 holding.
- William Blair & Company first reported a position in Waste Connections in Q4 2018 and has held it in 31 quarters since.
- William Blair & Company's Waste Connections position peaked at $16.3M in Q2 2025.
- 841 funds tracked by Wall St. Rank held Waste Connections as of Q2 2026.
Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.