William Blair Investment Management
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William Blair Investment Management’s WillScot Mobile Mini Holdings WSC Stock Holding History

William Blair Investment Management’s Portfolio WSC Stock Details WSC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-1,494,201
Closed -$25.9M – 455
2026
Q1 		$25.9M Sell
1,494,201
-1,155,226
-44% -$23.6M 0.09% 217
2025
Q4 		$49.9M Sell
2,649,427
-2,667,864
-50% -$53.8M 0.14% 138
2025
Q3 		$112M Sell
5,317,291
-145,667
-3% -$3.75M 0.29% 96
2025
Q2 		$150M Buy
5,462,958
+180,797
+3% +$4.82M 0.4% 75
2025
Q1 		$147M Sell
5,282,161
-273,320
-5% -$9.29M 0.41% 69
2024
Q4 		$186M Buy
5,555,481
+664,805
+14% +$24.4M 0.45% 67
2024
Q3 		$184M Buy
4,890,676
+246,775
+5% +$9.42M 0.45% 67
2024
Q2 		$175M Buy
4,643,901
+2,355,445
+103% +$93.2M 0.46% 67
2024
Q1 		$106M Sell
2,288,456
-96,314
-4% -$4.48M 0.28% 109
2023
Q4 		$106M Sell
2,384,770
-259,524
-10% -$10.5M 0.31% 104
2023
Q3 		$110M Buy
2,644,294
+64,020
+2% +$2.82M 0.37% 87
2023
Q2 		$123M Buy
2,580,274
+183,081
+8% +$8.19M 0.4% 86
2023
Q1 		$112M Sell
2,397,193
-59,912
-2% -$2.88M 0.39% 89
2022
Q4 		$111M Buy
2,457,105
+1,698,753
+224% +$76.2M 0.42% 83
2022
Q3 		$30.6M Buy
758,352
+42,078
+6% +$1.64M 0.12% 188
2022
Q2 		$23.2M Sell
716,274
-81,020
-10% -$2.87M 0.09% 249
2022
Q1 		$31.2M Buy
797,294
+101,693
+15% +$3.82M 0.09% 242
2021
Q4 		$28.4M Buy
695,601
+207,252
+42% +$7.65M 0.08% 259
2021
Q3 		$15.5M Buy
488,349
+6,607
+1% +$191K 0.04% 334
2021
Q2 		$13.4M Buy
481,742
+25,164
+6% +$723K 0.04% 255
2021
Q1 		$12.7M Buy
456,578
+46,819
+11% +$1.23M 0.04% 261
2020
Q4 		$9.49M Buy
+409,759
New +$8.26M 0.03% 305

Other funds holding WSC

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
SC
Samlyn Capital New York $6.14B AUM 42.05% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

William Blair Investment Management's WSC Position: Q2 2026 in Review

William Blair Investment Management sold out of WillScot Mobile Mini Holdings (WSC) in Q2 2026, closing a stake of 1,494,201 shares — an estimated $25.9M sold.

William Blair Investment Management first reported a position in WSC in Q4 2020 and held it in 22 quarters. The position peaked at $186M in Q4 2024. 371 funds tracked by Wall St. Rank hold WSC as of Q2 2026.

  • William Blair Investment Management reported no remaining WillScot Mobile Mini Holdings position as of Q2 2026 after selling out during the quarter.
  • William Blair Investment Management sold 1,494,201 WillScot Mobile Mini Holdings shares in Q2 2026, an estimated $25.9M.
  • William Blair Investment Management first reported a position in WillScot Mobile Mini Holdings in Q4 2020 and held it in 22 quarters.
  • William Blair Investment Management's WillScot Mobile Mini Holdings position peaked at $186M in Q4 2024.
  • 371 funds tracked by Wall St. Rank held WillScot Mobile Mini Holdings as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.