Columbia Banking System, Inc. (COLB)

NASDAQ: COLB · Real-Time Price · USD

31.76

+0.57 (1.83%)

At close: Feb 20, 2026, 4:00 PM EST

31.64

-0.12 (-0.39%)

After-hours: Feb 20, 2026, 6:51 PM EST

Columbia Banking System Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Feb 20, 2026	31.17	31.81	30.93	31.76	31.76	1.83%	3,073,179
Feb 19, 2026	31.18	31.41	30.80	31.19	31.19	-0.16%	2,594,563
Feb 18, 2026	31.29	32.12	31.19	31.24	31.24	-0.19%	3,433,633
Feb 17, 2026	31.59	32.00	31.15	31.30	31.30	-0.60%	2,697,725
Feb 13, 2026	31.10	31.63	30.79	31.49	31.49	0.77%	3,291,461
Feb 12, 2026	31.99	32.21	30.75	31.25	31.25	-1.20%	4,139,929
Feb 11, 2026	32.24	32.62	31.38	31.63	31.63	-1.22%	2,035,269
Feb 10, 2026	32.37	32.60	31.72	32.02	32.02	-1.23%	2,382,313
Feb 9, 2026	32.04	32.70	31.88	32.42	32.42	1.09%	2,412,365
Feb 6, 2026	31.43	32.23	31.43	32.07	32.07	2.66%	2,745,689
Feb 5, 2026	30.97	31.40	30.14	31.24	31.24	0.32%	3,445,418
Feb 4, 2026	30.59	31.42	30.59	31.14	31.14	2.30%	3,483,737
Feb 3, 2026	29.74	30.49	29.54	30.44	30.44	2.53%	2,751,820
Feb 2, 2026	29.30	29.96	29.03	29.69	29.69	0.85%	2,396,517
Jan 30, 2026	28.98	29.50	28.92	29.44	29.44	1.38%	2,712,265
Jan 29, 2026	29.18	29.36	28.56	29.04	29.04	0.28%	3,731,540
Jan 28, 2026	28.96	29.34	28.82	28.96	28.96	-	2,580,639
Jan 27, 2026	28.96	29.16	28.72	28.96	28.96	0.31%	3,092,722
Jan 26, 2026	28.91	29.26	28.37	28.87	28.87	-0.03%	3,182,572
Jan 23, 2026	30.31	31.11	28.83	28.88	28.88	-2.66%	8,041,150
Jan 22, 2026	29.80	30.28	29.53	29.67	29.67	-0.10%	3,962,314
Jan 21, 2026	28.61	29.97	28.46	29.70	29.70	4.76%	3,640,735
Jan 20, 2026	28.52	28.84	28.21	28.35	28.35	-1.94%	1,834,401
Jan 16, 2026	29.28	29.39	28.85	28.91	28.91	-1.16%	1,692,767
Jan 15, 2026	28.55	29.36	28.51	29.25	29.25	2.96%	1,900,648
Jan 14, 2026	28.24	28.62	28.04	28.41	28.41	0.42%	2,305,624
Jan 13, 2026	28.61	28.80	28.22	28.29	28.29	-1.12%	2,046,100
Jan 12, 2026	28.74	28.88	28.44	28.61	28.61	-1.51%	1,577,185
Jan 9, 2026	29.50	29.72	29.03	29.05	29.05	-1.06%	1,469,112
Jan 8, 2026	28.75	29.70	28.50	29.36	29.36	1.59%	1,894,025
Jan 7, 2026	28.95	29.16	28.67	28.90	28.90	-0.31%	2,190,422
Jan 6, 2026	28.68	29.09	28.54	28.99	28.99	0.73%	2,525,123
Jan 5, 2026	28.11	29.10	28.06	28.78	28.78	2.09%	2,539,273
Jan 2, 2026	28.05	28.35	27.54	28.19	28.19	0.86%	2,289,219
Dec 31, 2025	28.50	28.50	27.90	27.95	27.95	-1.06%	1,452,345
Dec 30, 2025	28.50	28.50	28.15	28.25	28.25	-0.67%	1,757,730
Dec 29, 2025	28.43	28.69	28.36	28.44	28.44	-0.52%	1,819,525
Dec 26, 2025	28.56	28.72	28.47	28.59	28.59	-0.10%	847,885
Dec 24, 2025	28.65	28.72	28.54	28.62	28.62	0.03%	799,332
Dec 23, 2025	29.00	29.07	28.57	28.61	28.61	-1.41%	1,997,380
Dec 22, 2025	29.02	29.26	28.89	29.02	29.02	0.59%	2,526,802
Dec 19, 2025	28.86	29.12	28.64	28.85	28.85	-0.03%	4,557,724
Dec 18, 2025	29.18	29.26	28.76	28.86	28.86	-0.31%	2,615,451
Dec 17, 2025	28.96	29.33	28.82	28.95	28.95	0.14%	2,410,128
Dec 16, 2025	29.14	29.31	28.79	28.91	28.91	-0.86%	2,377,913
Dec 15, 2025	29.51	29.61	29.09	29.16	29.16	-0.27%	1,885,173
Dec 12, 2025	29.33	29.46	29.05	29.24	29.24	-0.07%	2,098,538
Dec 11, 2025	28.96	29.50	28.91	29.26	29.26	0.76%	3,070,249
Dec 10, 2025	27.99	29.35	27.99	29.04	29.04	3.16%	5,254,509
Dec 9, 2025	28.27	28.71	28.10	28.15	28.15	-0.53%	2,284,861