| COLB Market Cap History Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Below is a table of the COLB market cap history going back to 1/31/2010:
Also see: COLB Shares Outstanding History and COLB YTD Return |
COLB Market Cap History — Columbia Banking System Capitalization Over Time
As of 4/30/2026 Columbia Banking System has a market cap of 8.57 billion. Investors often follow the COLB market cap history to compare the size of the company over time.
This page shows COLB market capitalization trends over time, with 66 market cap datapoints presented, dating back to 1/31/2010.
| COLB Market Cap History Chart | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
COLB Historical Market Cap: +18.61% CAGR 
Mouse over chart for data details
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| COLB Stock Price Chart |
| About Columbia Banking System Inc |
| Columbia Banking System, Inc. is the bank holding company for Umpqua Bank (the Bank). Through the Bank, the Co. provides a broad range of banking, private banking, mortgage, and other financial services to corporate, institutional, small business, and individual customers. The bank offers specialized loans for corporate, middle market, and small business customers, including commercial lines of credit and term loans, and others. It offers deposit products, including non-interest-bearing checking accounts, analyzed business accounts, interest-bearing checking and savings accounts, money market accounts, insured cash sweep and other investment sweep solutions. We show 66 historical shares outstanding datapoints in our COLB shares outstanding history coverage, used to compute COLB market cap on those dates. Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing COLB market cap history over the course of time is important for investors interested in comparing COLB's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of COLB versus a peer is one thing; comparing COLB market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like COLB can fluctuate over the course of history. With this page we aim to empower investors researching COLB by allowing them to research the COLB market cap history. |
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| Video: The Importance of Market Cap | |
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Video: The Importance of Market Cap
| COLB Share Performance |
| Market Cap Peers |
| Columbia Banking System (COLB) is categorized under the Financials sector; to help you further research historical market cap numbers, below are some other companies in the same sector:
COLD Market Cap History CONE Market Cap History COOP Market Cap History COPX Market Cap History CORR Market Cap History COSO Market Cap History COWN Market Cap History CPBI Market Cap History CPF Market Cap History CPI Market Cap History More Financials companies » |
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