William Blair Investment Management
WEX icon

William Blair Investment Management’s WEX WEX Stock Holding History

William Blair Investment Management’s Portfolio WEX Stock Details WEX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$415K Buy
2,943
+13
+0.4% +$1.93K ﹤0.01% 381
2026
Q1 		$448K Buy
2,930
+73
+3% +$11.4K ﹤0.01% 381
2025
Q4 		$426K Sell
2,857
-260
-8% -$39.2K ﹤0.01% 382
2025
Q3 		$491K Sell
3,117
-105
-3% -$17.4K ﹤0.01% 368
2025
Q2 		$473K Buy
3,222
+709
+28% +$95.2K ﹤0.01% 378
2025
Q1 		$395K Sell
2,513
-7
-0.3% -$1.15K ﹤0.01% 394
2024
Q4 		$442K Buy
2,520
+1
+0% +$188 ﹤0.01% 399
2024
Q3 		$528K Buy
+2,519
New +$469K ﹤0.01% 363
2020
Q4 		– Sell
-82,698
Closed -$11.5M – 368
2020
Q3 		$11.5M Sell
82,698
-788,518
-91% -$124M 0.04% 252
2020
Q2 		$144M Sell
871,216
-25,076
-3% -$3.44M 0.59% 65
2020
Q1 		$93.7M Buy
896,292
+27,015
+3% +$5.04M 0.46% 70
2019
Q4 		$182M Buy
869,277
+4,169
+0.5% +$836K 0.73% 42
2019
Q3 		$175M Buy
865,108
+9,894
+1% +$2.05M 0.75% 40
2019
Q2 		$178M Sell
855,214
-4,355
-0.5% -$876K 0.75% 41
2019
Q1 		$165M Buy
859,569
+6,130
+0.7% +$1.04M 0.69% 45
2018
Q4 		$120M Sell
853,439
-201,352
-19% -$33.1M 0.59% 54
2018
Q3 		$212M Buy
1,054,791
+26,661
+3% +$5.11M 0.73% 36
2018
Q2 		$196M Sell
1,028,130
-545,383
-35% -$95.1M 0.73% 29
2018
Q1 		$246M Buy
1,573,513
+402,785
+34% +$60.5M 0.94% 17
2017
Q4 		$165M Buy
1,170,728
+174,698
+18% +$21.9M 0.64% 40
2017
Q3 		$112M Buy
+996,030
New +$108M 0.4% 83

Other funds holding WEX

JT
Jupiter Topco New York $245B AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PCM
PAR Capital Management Boston, Massachusetts $4.03B AUM 35.05% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
IC
Impactive Capital New York City, New York $1.4B AUM 13.97% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

William Blair Investment Management increased its WEX (WEX) stake by 0.44% in Q2 2026, buying an estimated $1.93K and bringing the position to 2,943 shares worth $415K. The position accounts for ﹤0.01% of the portfolio, ranked #381.

William Blair Investment Management first reported a position in WEX in Q3 2017 and has held it in 21 quarters since. The position peaked at $246M in Q1 2018. 415 funds tracked by Wall St. Rank hold WEX as of Q2 2026.

  • William Blair Investment Management held 2,943 shares of WEX worth $415K as of Q2 2026.
  • William Blair Investment Management bought 13 WEX shares in Q2 2026, an estimated $1.93K.
  • WEX made up ﹤0.01% of William Blair Investment Management's portfolio in Q2 2026, its #381 holding.
  • William Blair Investment Management first reported a position in WEX in Q3 2017 and has held it in 21 quarters since.
  • William Blair Investment Management's WEX position peaked at $246M in Q1 2018.
  • 415 funds tracked by Wall St. Rank held WEX as of Q2 2026.

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