William Blair Investment Management’s Marten Transport MRTN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$17.2M Sell
1,320,316
-110,583
-8% -$1.44M 0.05% 296
2025
Q1
$19.6M Sell
1,430,899
-61,243
-4% -$840K 0.06% 296
2024
Q4
$23.3M Buy
1,492,142
+31,303
+2% +$489K 0.06% 296
2024
Q3
$25.9M Sell
1,460,839
-45,068
-3% -$798K 0.06% 270
2024
Q2
$27.8M Sell
1,505,907
-3,087
-0.2% -$57K 0.07% 240
2024
Q1
$27.9M Sell
1,508,994
-1,381
-0.1% -$25.5K 0.07% 257
2023
Q4
$31.7M Sell
1,510,375
-30,103
-2% -$632K 0.09% 217
2023
Q3
$30.4M Sell
1,540,478
-120,930
-7% -$2.38M 0.1% 214
2023
Q2
$35.7M Buy
1,661,408
+30,918
+2% +$665K 0.11% 187
2023
Q1
$34.2M Buy
1,630,490
+5,844
+0.4% +$122K 0.12% 187
2022
Q4
$32.1M Sell
1,624,646
-61,163
-4% -$1.21M 0.12% 182
2022
Q3
$32.3M Sell
1,685,809
-48,536
-3% -$930K 0.13% 167
2022
Q2
$29.2M Sell
1,734,345
-50,240
-3% -$845K 0.11% 211
2022
Q1
$31.7M Sell
1,784,585
-25,279
-1% -$449K 0.09% 237
2021
Q4
$31.1M Sell
1,809,864
-150,441
-8% -$2.58M 0.08% 251
2021
Q3
$30.8M Buy
1,960,305
+1,956,355
+49,528% +$30.7M 0.09% 261
2021
Q2
$65K Buy
+3,950
New +$65K ﹤0.01% 442