Tower Research Capital (TRC)’s Columbia Banking Systems COLB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$267K Buy
9,738
+3,671
+61% +$106K 0.01% 1389
2025
Q4
$170K Sell
6,067
-4,435
-42% -$120K ﹤0.01% 1560
2025
Q3
$270K Sell
10,502
-1,256
-11% -$31.9K 0.01% 1255
2025
Q2
$275K Buy
11,758
+534
+5% +$12.4K 0.01% 1501
2025
Q1
$280K Sell
11,224
-18,562
-62% -$494K 0.01% 1179
2024
Q4
$805K Buy
29,786
+5,790
+24% +$166K 0.02% 745
2024
Q3
$627K Sell
23,996
-64,220
-73% -$1.53M 0.02% 726
2024
Q2
$1.75M Buy
88,216
+80,093
+986% +$1.52M 0.03% 483
2024
Q1
$157K Sell
8,123
-26,332
-76% -$542K ﹤0.01% 1570
2023
Q4
$919K Buy
34,455
+24,155
+235% +$537K 0.01% 906
2023
Q3
$209K Sell
10,300
-31,453
-75% -$656K 0.01% 1402
2023
Q2
$847K Buy
41,753
+6,778
+19% +$143K 0.03% 614
2023
Q1
$749K Buy
34,975
+32,120
+1,125% +$892K 0.02% 596
2022
Q4
$86K Sell
2,855
-12,754
-82% -$405K ﹤0.01% 1948
2022
Q3
$451K Buy
15,609
+12,883
+473% +$388K 0.01% 1230
2022
Q2
$78K Buy
2,726
+581
+27% +$17.1K ﹤0.01% 2480
2022
Q1
$69K Buy
2,145
+995
+87% +$34.9K ﹤0.01% 2477
2021
Q4
$37K Sell
1,150
-5,442
-83% -$189K ﹤0.01% 3019
2021
Q3
$251K Sell
6,592
-11,859
-64% -$423K 0.01% 1597
2021
Q2
$712K Buy
18,451
+10,864
+143% +$462K 0.02% 907
2021
Q1
$327K Buy
7,587
+2,236
+42% +$97.5K 0.01% 1601
2020
Q4
$192K Sell
5,351
-42,072
-89% -$1.3M 0.01% 1740
2020
Q3
$1.13M Buy
47,423
+31,169
+192% +$860K 0.01% 869
2020
Q2
$461K Buy
+16,254
New +$414K 0.02% 1100
2020
Q1
Sell
-1,612
Closed -$66K 3150
2019
Q4
$66K Buy
1,612
+1,024
+174% +$39.9K 0.01% 1164
2019
Q3
$22K Buy
+588
New +$21K ﹤0.01% 2404
2018
Q4
Sell
-45
Closed -$2K 3872
2018
Q3
$2K Buy
+45
New +$1.87K ﹤0.01% 3414
2018
Q1
Sell
-5
Closed 3330
2017
Q4
$0 Sell
5
-8,456
-100% -$369K ﹤0.01% 3573
2017
Q3
$356K Buy
+8,461
New +$327K 0.03% 388
2017
Q1
Sell
-3,582
Closed -$160K 3159
2016
Q4
$160K Buy
+3,582
New +$135K 0.02% 732
2016
Q3
Sell
-185
Closed -$5K 3729
2016
Q2
$5K Buy
+185
New +$5.43K ﹤0.01% 3352
2016
Q1
Sell
-200
Closed -$7K 4208
2015
Q4
$7K Buy
+200
New +$6.68K ﹤0.01% 2547
2015
Q3
Sell
-5,022
Closed -$163K 4087
2015
Q2
$163K Buy
5,022
+991
+25% +$30.2K 0.01% 480
2015
Q1
$117K Buy
4,031
+3,589
+812% +$98.5K 0.01% 759
2014
Q4
$12K Sell
442
-1,491
-77% -$40.1K ﹤0.01% 1975
2014
Q3
$48K Buy
1,933
+1,703
+740% +$44K 0.01% 1559
2014
Q2
$6K Sell
230
-1,653
-88% -$43K ﹤0.01% 2708
2014
Q1
$54K Buy
1,883
+573
+44% +$15.5K 0.01% 1028
2013
Q4
$36K Sell
1,310
-5,155
-80% -$135K 0.01% 1682
2013
Q3
$160K Buy
+6,465
New +$159K 0.02% 914

Other funds holding COLB

Tower Research Capital (TRC)'s COLB Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its Columbia Banking Systems (COLB) stake by 61% in Q1 2026, buying an estimated $106K and bringing the position to 9,738 shares worth $267K. The position accounts for 0.01% of the portfolio, ranked #1389.

Tower Research Capital (TRC) first reported a position in COLB in Q3 2013 and has held it in 40 quarters since. The position peaked at $1.75M in Q2 2024. 524 funds tracked by Wall St. Rank hold COLB as of Q1 2026.

  • Tower Research Capital (TRC) held 9,738 shares of Columbia Banking Systems worth $267K as of Q1 2026.
  • Tower Research Capital (TRC) bought 3,671 Columbia Banking Systems shares in Q1 2026, an estimated $106K.
  • Columbia Banking Systems made up 0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #1389 holding.
  • Tower Research Capital (TRC) first reported a position in Columbia Banking Systems in Q3 2013 and has held it in 40 quarters since.
  • Tower Research Capital (TRC)'s Columbia Banking Systems position peaked at $1.75M in Q2 2024.
  • 524 funds tracked by Wall St. Rank held Columbia Banking Systems as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.