COLB
Columbia Banking System, Inc.Company with tickers: COLB
CIK
887343
CUSIP
197236102
Shares Outstanding
289,490,366
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
Short Volume (Last 90 Days)
| Date | Short Volume | Short Exempt | Total Volume | Short % |
|---|---|---|---|---|
| 2026-05-22 | 221,410 | 2,908 | 359,401 | 61.6% |
| 2026-05-21 | 209,298 | 0 | 497,771 | 42.0% |
| 2026-05-20 | 265,304 | 0 | 533,632 | 49.7% |
| 2026-05-19 | 304,548 | 0 | 695,198 | 43.8% |
| 2026-05-18 | 365,630 | 358 | 548,620 | 66.6% |
| 2026-05-15 | 442,556 | 2,838 | 966,356 | 45.8% |
| 2026-05-14 | 413,810 | 237 | 3,437,139 | 12.0% |
| 2026-05-13 | 378,979 | 46 | 827,723 | 45.8% |
| 2026-05-12 | 354,414 | 0 | 708,969 | 50.0% |
| 2026-05-11 | 378,198 | 11 | 665,113 | 56.9% |
| 2026-05-08 | 413,571 | 334 | 925,066 | 44.7% |
| 2026-05-07 | 336,699 | 292 | 583,122 | 57.7% |
| 2026-05-06 | 472,818 | 1,710 | 902,506 | 52.4% |
| 2026-05-05 | 420,951 | 137 | 669,955 | 62.8% |
| 2026-05-04 | 292,663 | 0 | 1,088,687 | 26.9% |
| 2026-05-01 | 232,800 | 0 | 469,159 | 49.6% |
| 2026-04-30 | 440,068 | 772 | 726,118 | 60.6% |
| 2026-04-29 | 210,851 | 0 | 503,861 | 41.8% |
| 2026-04-28 | 344,201 | 200 | 779,663 | 44.1% |
| 2026-04-27 | 452,507 | 0 | 724,950 | 62.4% |
| 2026-04-24 | 470,438 | 265 | 838,214 | 56.1% |
| 2026-04-23 | 551,949 | 37 | 956,941 | 57.7% |
| 2026-04-22 | 257,305 | 46 | 754,803 | 34.1% |
| 2026-04-21 | 176,450 | 4,225 | 546,603 | 32.3% |
| 2026-04-20 | 220,385 | 0 | 569,276 | 38.7% |
| 2026-04-17 | 295,022 | 0 | 623,825 | 47.3% |
| 2026-04-16 | 225,908 | 807 | 575,886 | 39.2% |
| 2026-04-15 | 233,844 | 0 | 402,393 | 58.1% |
| 2026-04-14 | 233,686 | 50 | 365,469 | 63.9% |
| 2026-04-13 | 515,410 | 323 | 1,224,264 | 42.1% |
| 2026-04-10 | 320,452 | 100 | 671,220 | 47.7% |
| 2026-04-09 | 389,770 | 47 | 899,649 | 43.3% |
| 2026-04-08 | 504,086 | 1,482 | 1,587,788 | 31.7% |
| 2026-04-07 | 469,670 | 54 | 1,664,586 | 28.2% |
| 2026-04-06 | 179,151 | 0 | 553,152 | 32.4% |