Columbia Banking System, Inc. (COLB)

NASDAQ: COLB · Real-Time Price · USD

31.50

+0.23 (0.74%)

At close: Aug 3, 2026, 4:00 PM EDT

31.40

-0.10 (-0.32%)

After-hours: Aug 3, 2026, 7:34 PM EDT

Columbia Banking System Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 3, 2026	31.43	31.75	31.27	31.50	31.50	0.74%	2,583,657
Jul 31, 2026	31.50	31.50	30.87	31.27	31.27	0.06%	2,965,355
Jul 30, 2026	31.06	31.40	31.00	31.25	31.25	1.53%	4,173,645
Jul 29, 2026	31.09	31.25	30.75	30.78	30.78	-1.57%	2,572,499
Jul 28, 2026	30.90	31.34	30.90	31.27	31.27	1.20%	2,627,680
Jul 27, 2026	31.37	31.56	30.87	30.90	30.90	-0.80%	2,940,799
Jul 24, 2026	31.04	31.65	30.82	31.15	31.15	-3.44%	5,851,463
Jul 23, 2026	32.25	32.30	31.56	32.26	32.26	-1.13%	4,889,114
Jul 22, 2026	32.90	32.97	32.38	32.63	32.63	-0.67%	2,549,564
Jul 21, 2026	32.80	32.86	32.34	32.85	32.85	0.15%	2,551,067
Jul 20, 2026	33.33	33.46	32.62	32.80	32.80	-1.32%	2,851,790
Jul 17, 2026	33.40	33.65	32.96	33.24	33.24	-1.10%	3,224,008
Jul 16, 2026	32.59	33.68	32.59	33.61	33.61	3.19%	3,500,895
Jul 15, 2026	32.32	32.77	32.26	32.57	32.57	0.99%	3,430,210
Jul 14, 2026	32.09	32.54	32.06	32.25	32.25	0.84%	2,074,045
Jul 13, 2026	32.11	32.20	31.79	31.98	31.98	-0.22%	2,011,001
Jul 10, 2026	32.00	32.21	31.79	32.05	32.05	0.72%	1,746,335
Jul 9, 2026	31.48	31.98	31.48	31.82	31.82	1.78%	2,467,470
Jul 8, 2026	32.03	32.05	30.84	31.27	31.27	-2.66%	2,613,820
Jul 7, 2026	32.34	32.37	32.00	32.12	32.12	-0.37%	2,281,196
Jul 6, 2026	31.73	32.25	31.65	32.24	32.24	1.64%	2,634,822
Jul 2, 2026	32.63	32.77	31.60	31.72	31.72	-2.43%	3,434,797
Jul 1, 2026	32.20	32.72	31.94	32.51	32.51	1.44%	3,082,273
Jun 30, 2026	31.92	32.26	31.72	32.05	32.05	0.19%	2,470,034
Jun 29, 2026	32.08	32.21	31.72	31.99	31.99	-0.50%	2,640,050
Jun 26, 2026	32.12	32.26	31.84	32.15	32.15	0.25%	5,394,528
Jun 25, 2026	31.58	32.25	31.30	32.07	32.07	1.71%	2,923,447
Jun 24, 2026	31.29	31.57	31.02	31.53	31.53	0.83%	2,354,833
Jun 23, 2026	30.80	31.32	30.72	31.27	31.27	1.30%	2,389,144
Jun 22, 2026	30.56	31.00	30.56	30.87	30.87	1.05%	2,685,048
Jun 18, 2026	30.31	30.63	30.13	30.55	30.55	1.66%	6,000,393
Jun 17, 2026	30.78	31.10	29.77	30.05	30.05	-2.69%	3,700,848
Jun 16, 2026	31.16	31.78	30.83	30.88	30.88	-0.23%	2,463,156
Jun 15, 2026	31.75	31.84	30.87	30.95	30.95	-1.15%	3,584,812
Jun 12, 2026	31.00	31.46	30.95	31.31	31.31	1.59%	2,708,402
Jun 11, 2026	30.39	30.84	30.15	30.82	30.82	1.65%	2,407,730
Jun 10, 2026	30.15	30.71	30.13	30.32	30.32	0.56%	2,757,736
Jun 9, 2026	30.00	30.87	29.79	30.15	30.15	1.58%	3,140,122
Jun 8, 2026	29.74	29.99	29.53	29.68	29.68	0.07%	4,220,199
Jun 5, 2026	29.56	29.93	29.46	29.66	29.66	0.54%	2,249,270
Jun 4, 2026	28.87	29.58	28.87	29.50	29.50	3.18%	2,923,353
Jun 3, 2026	29.04	29.10	28.55	28.59	28.59	-2.02%	2,763,526
Jun 2, 2026	29.00	29.48	28.95	29.18	29.18	0.62%	2,816,869
Jun 1, 2026	29.28	29.42	28.94	29.00	29.00	-2.16%	2,461,672
May 29, 2026	29.27	29.81	29.05	29.64	29.64	1.26%	3,481,833
May 28, 2026	29.70	29.73	29.32	29.64	29.27	-0.50%	2,683,854
May 27, 2026	30.13	30.24	29.56	29.79	29.42	-0.93%	3,201,360
May 26, 2026	29.96	30.23	29.70	30.07	29.69	1.14%	2,237,365
May 22, 2026	29.80	29.82	29.59	29.73	29.36	0.37%	1,438,166
May 21, 2026	29.57	29.65	29.19	29.62	29.25	-0.17%	2,049,513