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
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | 28.95 | 29.25 | 28.80 | 28.92 | 28.92 | 0.66% | 2,376,443 |
| Oct 1, 2026 | 28.42 | 28.83 | 27.96 | 28.73 | 28.73 | 0.45% | 3,280,768 |
| Sep 30, 2026 | 28.70 | 29.00 | 28.49 | 28.60 | 28.60 | -0.31% | 2,446,902 |
| Sep 29, 2026 | 29.07 | 29.20 | 28.52 | 28.69 | 28.69 | -1.27% | 3,574,688 |
| Sep 28, 2026 | 29.60 | 29.60 | 29.03 | 29.06 | 29.06 | -1.96% | 2,045,705 |
| Sep 25, 2026 | 29.43 | 29.81 | 29.30 | 29.64 | 29.64 | 1.58% | 1,821,196 |
| Sep 24, 2026 | 28.89 | 29.25 | 28.76 | 29.18 | 29.18 | 1.14% | 2,822,269 |
| Sep 23, 2026 | 29.34 | 29.49 | 28.82 | 28.85 | 28.85 | -1.67% | 2,581,281 |
| Sep 22, 2026 | 29.93 | 30.10 | 29.34 | 29.34 | 29.34 | -1.87% | 2,580,513 |
| Sep 21, 2026 | 30.06 | 30.31 | 29.82 | 29.90 | 29.90 | -0.10% | 2,130,302 |
| Sep 18, 2026 | 29.85 | 29.97 | 29.59 | 29.93 | 29.93 | -0.05% | 6,457,154 |
| Sep 17, 2026 | 30.10 | 30.33 | 29.82 | 29.95 | 29.95 | 0.76% | 2,166,336 |
| Sep 16, 2026 | 30.23 | 30.26 | 29.18 | 29.72 | 29.72 | -1.43% | 2,829,548 |
| Sep 15, 2026 | 30.11 | 30.53 | 30.09 | 30.15 | 30.15 | 0.13% | 2,407,151 |
| Sep 14, 2026 | 29.99 | 30.55 | 29.90 | 30.11 | 30.11 | - | 2,897,348 |
| Sep 11, 2026 | 30.40 | 30.45 | 29.68 | 30.11 | 30.11 | 0.23% | 2,587,002 |
| Sep 10, 2026 | 29.75 | 30.13 | 29.44 | 30.04 | 30.04 | 0.67% | 3,492,683 |
| Sep 9, 2026 | 30.15 | 30.44 | 29.70 | 29.84 | 29.84 | -1.42% | 2,692,746 |
| Sep 8, 2026 | 30.81 | 30.82 | 30.24 | 30.27 | 30.27 | -1.72% | 3,433,165 |
| Sep 4, 2026 | 30.35 | 30.91 | 30.35 | 30.80 | 30.80 | 1.15% | 2,305,311 |
| Sep 3, 2026 | 30.09 | 30.56 | 30.09 | 30.45 | 30.45 | 1.23% | 2,927,399 |
| Sep 2, 2026 | 29.44 | 30.41 | 29.44 | 30.08 | 30.08 | 2.59% | 3,838,668 |
| Sep 1, 2026 | 29.76 | 30.20 | 29.22 | 29.32 | 29.32 | -1.08% | 3,954,757 |
| Aug 31, 2026 | 30.13 | 30.13 | 29.60 | 29.64 | 29.64 | -1.43% | 2,374,871 |
| Aug 28, 2026 | 30.41 | 30.59 | 30.02 | 30.07 | 30.07 | -0.82% | 2,649,682 |
| Aug 27, 2026 | 30.51 | 30.76 | 30.25 | 30.69 | 30.32 | -0.07% | 2,207,899 |
| Aug 26, 2026 | 30.67 | 30.88 | 30.45 | 30.71 | 30.34 | 0.59% | 2,523,705 |
| Aug 25, 2026 | 30.90 | 30.90 | 30.37 | 30.53 | 30.16 | -0.36% | 2,332,954 |
| Aug 24, 2026 | 30.81 | 31.08 | 30.59 | 30.64 | 30.27 | -0.55% | 2,428,267 |
| Aug 21, 2026 | 31.01 | 31.23 | 30.61 | 30.81 | 30.44 | -0.10% | 1,991,410 |
| Aug 20, 2026 | 30.97 | 31.10 | 30.76 | 30.84 | 30.47 | -0.74% | 2,771,870 |
| Aug 19, 2026 | 32.19 | 32.35 | 30.91 | 31.07 | 30.70 | -3.33% | 5,157,396 |
| Aug 18, 2026 | 32.37 | 32.49 | 32.02 | 32.14 | 31.75 | -0.62% | 2,956,601 |
| Aug 17, 2026 | 32.69 | 32.83 | 32.30 | 32.34 | 31.95 | -1.07% | 2,609,411 |
| Aug 14, 2026 | 32.46 | 32.78 | 32.31 | 32.69 | 32.30 | 0.77% | 2,543,430 |
| Aug 13, 2026 | 32.50 | 32.60 | 32.33 | 32.44 | 32.05 | 0.59% | 4,270,553 |
| Aug 12, 2026 | 31.88 | 32.28 | 31.74 | 32.25 | 31.86 | 1.70% | 3,109,029 |
| Aug 11, 2026 | 31.29 | 31.88 | 31.27 | 31.71 | 31.33 | 1.44% | 2,056,100 |
| Aug 10, 2026 | 31.19 | 31.39 | 30.95 | 31.26 | 30.88 | 0.06% | 2,429,587 |
| Aug 7, 2026 | 30.94 | 31.29 | 30.76 | 31.24 | 30.86 | 0.68% | 2,881,825 |
| Aug 6, 2026 | 31.64 | 31.69 | 31.01 | 31.03 | 30.66 | -1.02% | 1,871,183 |
| Aug 5, 2026 | 31.93 | 31.99 | 31.33 | 31.35 | 30.97 | -1.35% | 1,924,962 |
| Aug 4, 2026 | 31.65 | 32.18 | 31.44 | 31.78 | 31.40 | 0.89% | 2,329,462 |
| Aug 3, 2026 | 31.43 | 31.75 | 31.27 | 31.50 | 31.12 | 0.74% | 2,583,661 |
| Jul 31, 2026 | 31.50 | 31.50 | 30.87 | 31.27 | 30.89 | 0.06% | 2,966,161 |
| Jul 30, 2026 | 31.06 | 31.40 | 31.00 | 31.25 | 30.87 | 1.53% | 4,174,065 |
| Jul 29, 2026 | 31.09 | 31.25 | 30.75 | 30.78 | 30.41 | -1.57% | 2,676,987 |
| Jul 28, 2026 | 30.90 | 31.34 | 30.90 | 31.27 | 30.89 | 1.20% | 2,874,161 |
| Jul 27, 2026 | 31.37 | 31.56 | 30.87 | 30.90 | 30.53 | -0.80% | 2,940,809 |
| Jul 24, 2026 | 31.04 | 31.65 | 30.82 | 31.15 | 30.77 | -3.44% | 5,851,563 |