Columbia Banking System, Inc. (COLB)
NASDAQ: COLB · Real-Time Price · USD
28.92
+0.19 (0.66%)
Oct 2, 2026, 4:00 PM EDT - Market closed

Columbia Banking System Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 2, 202628.9529.2528.8028.9228.920.66%2,376,443
Oct 1, 202628.4228.8327.9628.7328.730.45%3,280,768
Sep 30, 202628.7029.0028.4928.6028.60-0.31%2,446,902
Sep 29, 202629.0729.2028.5228.6928.69-1.27%3,574,688
Sep 28, 202629.6029.6029.0329.0629.06-1.96%2,045,705
Sep 25, 202629.4329.8129.3029.6429.641.58%1,821,196
Sep 24, 202628.8929.2528.7629.1829.181.14%2,822,269
Sep 23, 202629.3429.4928.8228.8528.85-1.67%2,581,281
Sep 22, 202629.9330.1029.3429.3429.34-1.87%2,580,513
Sep 21, 202630.0630.3129.8229.9029.90-0.10%2,130,302
Sep 18, 202629.8529.9729.5929.9329.93-0.05%6,457,154
Sep 17, 202630.1030.3329.8229.9529.950.76%2,166,336
Sep 16, 202630.2330.2629.1829.7229.72-1.43%2,829,548
Sep 15, 202630.1130.5330.0930.1530.150.13%2,407,151
Sep 14, 202629.9930.5529.9030.1130.11-2,897,348
Sep 11, 202630.4030.4529.6830.1130.110.23%2,587,002
Sep 10, 202629.7530.1329.4430.0430.040.67%3,492,683
Sep 9, 202630.1530.4429.7029.8429.84-1.42%2,692,746
Sep 8, 202630.8130.8230.2430.2730.27-1.72%3,433,165
Sep 4, 202630.3530.9130.3530.8030.801.15%2,305,311
Sep 3, 202630.0930.5630.0930.4530.451.23%2,927,399
Sep 2, 202629.4430.4129.4430.0830.082.59%3,838,668
Sep 1, 202629.7630.2029.2229.3229.32-1.08%3,954,757
Aug 31, 202630.1330.1329.6029.6429.64-1.43%2,374,871
Aug 28, 202630.4130.5930.0230.0730.07-0.82%2,649,682
Aug 27, 202630.5130.7630.2530.6930.32-0.07%2,207,899
Aug 26, 202630.6730.8830.4530.7130.340.59%2,523,705
Aug 25, 202630.9030.9030.3730.5330.16-0.36%2,332,954
Aug 24, 202630.8131.0830.5930.6430.27-0.55%2,428,267
Aug 21, 202631.0131.2330.6130.8130.44-0.10%1,991,410
Aug 20, 202630.9731.1030.7630.8430.47-0.74%2,771,870
Aug 19, 202632.1932.3530.9131.0730.70-3.33%5,157,396
Aug 18, 202632.3732.4932.0232.1431.75-0.62%2,956,601
Aug 17, 202632.6932.8332.3032.3431.95-1.07%2,609,411
Aug 14, 202632.4632.7832.3132.6932.300.77%2,543,430
Aug 13, 202632.5032.6032.3332.4432.050.59%4,270,553
Aug 12, 202631.8832.2831.7432.2531.861.70%3,109,029
Aug 11, 202631.2931.8831.2731.7131.331.44%2,056,100
Aug 10, 202631.1931.3930.9531.2630.880.06%2,429,587
Aug 7, 202630.9431.2930.7631.2430.860.68%2,881,825
Aug 6, 202631.6431.6931.0131.0330.66-1.02%1,871,183
Aug 5, 202631.9331.9931.3331.3530.97-1.35%1,924,962
Aug 4, 202631.6532.1831.4431.7831.400.89%2,329,462
Aug 3, 202631.4331.7531.2731.5031.120.74%2,583,661
Jul 31, 202631.5031.5030.8731.2730.890.06%2,966,161
Jul 30, 202631.0631.4031.0031.2530.871.53%4,174,065
Jul 29, 202631.0931.2530.7530.7830.41-1.57%2,676,987
Jul 28, 202630.9031.3430.9031.2730.891.20%2,874,161
Jul 27, 202631.3731.5630.8730.9030.53-0.80%2,940,809
Jul 24, 202631.0431.6530.8231.1530.77-3.44%5,851,563