William Blair Investment Management’s Columbia Banking Systems COLB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$26.2M Sell
1,118,924
-90,720
-7% -$2.12M 0.07% 247
2025
Q1
$30.2M Sell
1,209,644
-564,799
-32% -$14.1M 0.08% 219
2024
Q4
$47.9M Buy
1,774,443
+42,527
+2% +$1.15M 0.12% 159
2024
Q3
$45.2M Sell
1,731,916
-54,929
-3% -$1.43M 0.11% 150
2024
Q2
$35.5M Sell
1,786,845
-5,726
-0.3% -$114K 0.09% 187
2024
Q1
$34.7M Buy
1,792,571
+215,220
+14% +$4.16M 0.09% 216
2023
Q4
$42.1M Buy
1,577,351
+72,211
+5% +$1.93M 0.12% 156
2023
Q3
$30.6M Buy
1,505,140
+147,011
+11% +$2.98M 0.1% 213
2023
Q2
$27.5M Buy
1,358,129
+373,437
+38% +$7.57M 0.09% 241
2023
Q1
$21.1M Buy
984,692
+232,833
+31% +$4.99M 0.07% 275
2022
Q4
$22.7M Buy
751,859
+152,210
+25% +$4.59M 0.09% 249
2022
Q3
$17.3M Buy
599,649
+33,273
+6% +$961K 0.07% 269
2022
Q2
$16.2M Buy
+566,376
New +$16.2M 0.06% 279
2021
Q2
Sell
-445,145
Closed -$19.2M 468
2021
Q1
$19.2M Buy
445,145
+110,538
+33% +$4.76M 0.06% 226
2020
Q4
$12M Buy
334,607
+72,426
+28% +$2.6M 0.04% 271
2020
Q3
$6.25M Buy
+262,181
New +$6.25M 0.02% 309
2018
Q2
Sell
-91,946
Closed -$3.86M 483
2018
Q1
$3.86M Buy
91,946
+5,954
+7% +$250K 0.01% 365
2017
Q4
$3.74M Buy
85,992
+35,982
+72% +$1.56M 0.01% 362
2017
Q3
$2.11M Buy
+50,010
New +$2.11M 0.01% 388