What A Share

Nasdaq

COLB

Columbia Banking System, Inc.

1 day
−1.0%
1 month
−3.4%
1 year
+30.0%

$31.03 · Mkt cap $8.78B · P/E 13.49

At the 6 Aug 2026 close

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About Columbia Banking System, Inc. (COLB)

Columbia Banking System, Inc. trades under the ticker COLB on Nasdaq, in the Finance sector (Major Banks). It has been listed since 1992. Its market capitalisation is $8.78B. The last closing price was $31.03, on 6 Aug 2026. It trades at 13.49 times its last reported annual diluted earnings per share. Over the past year the share price is +30.0%, and −3.4% over the past month. Returns are price returns and exclude dividends.

This page exists because COLB is one of the shares What A Share can show you. It is not a recommendation, and its appearance here says nothing about whether the company is worth owning.