$26.87
-0.27-0.99%
At close: Nov 13, 4:00 PM EST
$26.87
N/A
After Hours: 4:00 PM EST
Short interest in Columbia Banking System Inc (NASDAQ:COLB) decreased during the last reporting period, falling from 9.71M to 9.53M. This put 3.45% of the company's publicly available shares short.
Based on the recent average volume of 5.44M shares traded per day, it would take 1.75 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.
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COLB | Columbia Banking System, Inc. | 10/31/2025 | 11/11/2025 | 3.45% | 276,005,466 | 9,525,714 | 5,440,180 | 1.75 | |
COLB | Columbia Banking System, Inc. | 10/15/2025 | 10/24/2025 | 3.52% | 276,055,745 | 9,711,008 | 5,544,999 | 1.75 | |
COLB | Columbia Banking System, Inc. | 09/30/2025 | 10/09/2025 | 3.09% | 276,055,745 | 8,531,147 | 5,623,170 | 1.52 | |
COLB | Columbia Banking System, Inc. | 09/15/2025 | 09/24/2025 | 2.38% | 276,055,745 | 6,576,023 | 6,179,035 | 1.06 | |
COLB | Columbia Banking System, Inc. | 08/29/2025 | 09/10/2025 | 5.04% | 276,055,745 | 13,917,412 | 4,884,615 | 2.85 | |
COLB | Columbia Banking System, Inc. | 08/15/2025 | 08/26/2025 | 6.45% | 187,185,897 | 12,077,646 | 2,220,133 | 5.44 | |
COLB | Columbia Banking System, Inc. | 07/31/2025 | 08/11/2025 | 5.14% | 187,185,897 | 9,623,585 | 2,815,747 | 3.42 | |
COLB | Columbia Banking System, Inc. | 07/15/2025 | 07/24/2025 | 5.41% | 187,091,532 | 10,119,080 | 2,688,135 | 3.76 | |
COLB | Columbia Banking System, Inc. | 06/30/2025 | 07/10/2025 | 6.12% | 187,091,532 | 11,440,718 | 2,203,571 | 5.19 | |
COLB | Columbia Banking System, Inc. | 06/13/2025 | 06/25/2025 | 5.71% | 187,091,532 | 10,680,746 | 2,003,330 | 5.33 | |
COLB | Columbia Banking System, Inc. | 05/30/2025 | 06/10/2025 | 5.37% | 187,085,288 | 10,039,975 | 1,829,672 | 5.49 | |
COLB | Columbia Banking System, Inc. | 05/15/2025 | 05/27/2025 | 5.14% | 187,085,288 | 9,609,636 | 1,991,231 | 4.83 | |
COLB | Columbia Banking System, Inc. | 04/30/2025 | 05/09/2025 | 4.52% | 187,085,288 | 8,459,918 | 2,393,572 | 3.53 | |
COLB | Columbia Banking System, Inc. | 04/15/2025 | 04/25/2025 | 4.00% | 186,996,905 | 7,487,253 | 2,123,559 | 3.53 | |
COLB | Columbia Banking System, Inc. | 03/31/2025 | 04/09/2025 | 3.89% | 186,709,568 | 7,268,496 | 1,375,578 | 5.28 | |
COLB | Columbia Banking System, Inc. | 03/14/2025 | 03/25/2025 | 3.70% | 186,709,568 | 6,908,567 | 1,927,758 | 3.58 | |
COLB | Columbia Banking System, Inc. | 02/28/2025 | 03/11/2025 | 3.88% | 186,709,568 | 7,242,717 | 1,424,569 | 5.08 | |
COLB | Columbia Banking System, Inc. | 02/14/2025 | 02/26/2025 | 2.89% | 186,709,568 | 5,395,736 | 1,204,920 | 4.48 | |
COLB | Columbia Banking System, Inc. | 01/31/2025 | 02/11/2025 | 2.80% | 186,596,538 | 5,218,521 | 1,489,301 | 3.5 | |
COLB | Columbia Banking System, Inc. | 01/15/2025 | 01/27/2025 | 2.47% | 186,596,538 | 4,612,827 | 1,341,061 | 3.44 | |
COLB | Columbia Banking System, Inc. | 12/31/2024 | 01/10/2025 | 2.22% | 186,591,745 | 4,134,601 | 1,762,668 | 2.35 | |
COLB | Columbia Banking System, Inc. | 12/13/2024 | 12/24/2024 | 2.21% | 186,591,745 | 4,125,818 | 1,288,246 | 3.2 | |
COLB | Columbia Banking System, Inc. | 11/29/2024 | 12/10/2024 | 2.66% | 186,591,745 | 4,968,147 | 1,213,703 | 4.09 | |
COLB | Columbia Banking System, Inc. | 11/15/2024 | 11/26/2024 | 2.18% | 186,591,745 | 4,073,628 | 1,755,636 | 2.32 | |
COLB | Columbia Banking System, Inc. | 10/31/2024 | 11/11/2024 | 2.15% | 186,591,745 | 4,014,742 | 1,679,836 | 2.39 | |
COLB | Columbia Banking System, Inc. | 10/15/2024 | 10/24/2024 | 2.22% | 186,541,839 | 4,136,905 | 1,342,930 | 3.08 | |
COLB | Columbia Banking System, Inc. | 09/30/2024 | 10/09/2024 | 2.72% | 186,541,839 | 5,082,414 | 2,349,616 | 2.16 | |
COLB | Columbia Banking System, Inc. | 09/13/2024 | 09/24/2024 | 3.63% | 186,541,839 | 6,766,599 | 1,480,986 | 4.57 | |
COLB | Columbia Banking System, Inc. | 08/30/2024 | 09/11/2024 | 4.37% | 186,541,839 | 8,160,865 | 1,655,130 | 4.93 | |
COLB | Columbia Banking System, Inc. | 08/15/2024 | 08/26/2024 | 4.57% | 186,541,839 | 8,518,135 | 1,544,579 | 5.51 | |
COLB | Columbia Banking System, Inc. | 07/31/2024 | 08/09/2024 | 4.51% | 186,541,839 | 8,411,267 | 2,703,635 | 3.11 | |
COLB | Columbia Banking System, Inc. | 07/15/2024 | 07/24/2024 | 4.73% | 186,438,820 | 8,827,606 | 2,228,446 | 3.96 | |
COLB | Columbia Banking System, Inc. | 06/28/2024 | 07/10/2024 | 4.75% | 186,438,820 | 8,856,675 | 1,695,846 | 5.22 | |
COLB | Columbia Banking System, Inc. | 06/14/2024 | 06/26/2024 | 4.59% | 186,438,820 | 8,551,862 | 2,168,281 | 3.94 | |
COLB | Columbia Banking System, Inc. | 05/31/2024 | 06/11/2024 | 4.06% | 186,438,820 | 7,564,151 | 1,549,808 | 4.88 | |
COLB | Columbia Banking System, Inc. | 05/15/2024 | 05/24/2024 | 4.19% | 186,438,820 | 7,820,188 | 1,916,058 | 4.08 | |
COLB | Columbia Banking System, Inc. | 04/30/2024 | 05/09/2024 | 4.60% | 186,438,820 | 8,579,539 | 2,513,676 | 3.41 | |
COLB | Columbia Banking System, Inc. | 04/15/2024 | 04/24/2024 | 4.02% | 186,430,538 | 7,487,739 | 2,075,802 | 3.61 | |
COLB | Columbia Banking System, Inc. | 03/28/2024 | 04/09/2024 | 4.31% | 186,371,627 | 8,023,987 | 2,715,236 | 2.96 | |
COLB | Columbia Banking System, Inc. | 03/15/2024 | 03/26/2024 | 2.89% | 186,371,627 | 5,377,713 | 4,651,638 | 1.16 | |
COLB | Columbia Banking System, Inc. | 02/29/2024 | 03/11/2024 | 1.51% | 186,371,627 | 2,819,228 | 2,629,834 | 1.07 | |
COLB | Columbia Banking System, Inc. | 02/15/2024 | 02/27/2024 | — | — | 2,629,865 | 3,099,550 | 1 | |
COLB | Columbia Banking System, Inc. | 01/31/2024 | 02/09/2024 | — | — | 3,226,548 | 3,270,035 | 1 | |
COLB | Columbia Banking System, Inc. | 01/12/2024 | 01/24/2024 | — | — | 3,612,852 | 1,433,459 | 2.52 | |
COLB | Columbia Banking System, Inc. | 12/29/2023 | 01/10/2024 | — | — | 3,361,636 | 1,162,396 | 2.89 | |
COLB | Columbia Banking System, Inc. | 12/15/2023 | 12/27/2023 | — | — | 4,643,020 | 2,233,324 | 2.08 | |
COLB | Columbia Banking System, Inc. | 11/30/2023 | 12/11/2023 | — | — | 3,964,052 | 1,170,092 | 3.39 | |
COLB | Columbia Banking System, Inc. | 11/15/2023 | 11/27/2023 | — | — | 4,547,763 | 1,338,233 | 3.4 |
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