Columbia Banking System, Inc. (COLB) NASDAQ

Currency In USD

COLB Historical Return

If you invested $1000 in Columbia Banking System, Inc. (COLB) 10 years ago, it would be worth $1,415.9 as of August 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,067.57, while $1000 invested 1 year ago would be worth $1,190.49. This corresponds to total returns of 41.59%, 6.76%, 19.05%, respectively, with annualized returns of 3.54%, 1.32%, 19.05%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

COLB Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 21, 2026	31.01	30.81	30.81	31.23	30.61	1.99M
August 20, 2026	30.97	30.84	30.84	31.1	30.76	2.77M
August 19, 2026	32.19	31.07	31.07	32.35	30.91	5.13M
August 18, 2026	32.37	32.14	32.14	32.49	32.02	2.94M
August 17, 2026	32.69	32.34	32.34	32.83	32.3	2.53M
August 14, 2026	32.46	32.69	32.69	32.78	32.31	2.47M
August 13, 2026	32.5	32.44	32.44	32.6	32.33	4.27M
August 12, 2026	31.88	32.25	32.25	32.28	31.74	3.11M
August 11, 2026	31.29	31.71	31.71	31.88	31.27	2.06M
August 10, 2026	31.19	31.26	31.26	31.39	30.95	2.43M
August 07, 2026	30.94	31.24	31.24	31.29	30.76	2.91M
August 06, 2026	31.64	31.03	31.03	31.69	31.01	1.85M
August 05, 2026	31.93	31.35	31.35	31.99	31.33	1.92M
August 04, 2026	31.65	31.78	31.78	32.17	31.44	2.33M
August 03, 2026	31.43	31.5	31.5	31.75	31.27	2.58M
July 31, 2026	31.5	31.27	31.27	31.5	30.87	2.97M
July 30, 2026	31.06	31.25	31.25	31.4	31	4.17M
July 29, 2026	31.09	30.78	30.78	31.25	30.75	2.57M
July 28, 2026	30.9	31.27	31.27	31.34	30.9	2.63M
July 27, 2026	31.37	30.9	30.9	31.56	30.87	2.94M
July 23, 2026	32.25	32.26	32.26	32.3	31.56	4.88M
July 22, 2026	32.9	32.63	32.63	32.97	32.38	2.55M
July 21, 2026	32.8	32.85	32.85	32.86	32.34	2.55M
July 20, 2026	33.33	32.8	32.8	33.46	32.62	2.85M
July 17, 2026	33.4	33.24	33.24	33.65	32.96	3.22M
July 16, 2026	32.59	33.61	33.61	33.67	32.59	3.5M
July 15, 2026	32.32	32.57	32.57	32.77	32.26	3.39M
July 14, 2026	32.09	32.25	32.25	32.54	32.06	1.97M
July 13, 2026	32.11	31.98	31.98	32.2	31.79	2.01M
July 10, 2026	32	32.05	32.05	32.21	31.79	1.75M
July 09, 2026	31.48	31.82	31.82	31.98	31.48	2.44M
July 08, 2026	32.03	31.27	31.27	32.05	30.84	2.49M
July 07, 2026	32.34	32.12	32.12	32.37	32	2.26M
July 06, 2026	31.73	32.24	32.24	32.25	31.65	2.61M
July 02, 2026	32.63	31.72	31.72	32.77	31.6	3.36M
July 01, 2026	32.2	32.51	32.51	32.72	31.94	3.05M
June 30, 2026	31.92	32.05	32.05	32.26	31.72	2.47M
June 29, 2026	32.08	31.99	31.99	32.21	31.72	2.51M
June 26, 2026	32.12	32.15	32.15	32.26	31.84	5.39M
June 25, 2026	31.58	32.07	32.07	32.25	31.3	2.92M
June 24, 2026	31.29	31.53	31.53	31.57	31.02	2.32M
June 23, 2026	30.8	31.27	31.27	31.32	30.72	2.36M
June 22, 2026	30.56	30.87	30.87	31	30.56	2.57M
June 18, 2026	30.31	30.55	30.55	30.63	30.13	5.94M
June 17, 2026	30.78	30.05	30.05	31.1	29.77	3.7M
June 16, 2026	31.16	30.88	30.88	31.78	30.83	2.44M
June 15, 2026	31.75	30.95	30.95	31.84	30.87	3.58M
June 12, 2026	31	31.31	31.31	31.46	30.95	2.71M
June 11, 2026	30.39	30.82	30.82	30.84	30.15	2.41M
June 10, 2026	30.15	30.32	30.32	30.71	30.13	2.7M
June 09, 2026	30	30.15	30.15	30.87	29.79	3.14M
June 08, 2026	29.74	29.68	29.68	29.99	29.53	4.19M
June 05, 2026	29.56	29.66	29.66	29.93	29.46	2.25M
June 04, 2026	28.87	29.5	29.5	29.58	28.87	2.73M
June 03, 2026	29.04	28.59	28.59	29.1	28.55	2.63M
June 02, 2026	29	29.18	29.18	29.48	28.95	2.79M
June 01, 2026	29.28	29	29	29.42	28.94	2.44M
May 29, 2026	29.27	29.64	29.64	29.81	29.05	3.47M
May 28, 2026	29.7	29.64	29.64	29.73	29.32	2.68M
May 27, 2026	30.13	29.79	29.79	30.24	29.56	3.14M