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NASDAQ · COLBFinancialsBanking & Credit

Columbia Banking Systems Inc (COLB)

$31.24+1.76%
Close Nov 2, 2026 · split-adjusted
Oct 30, 2026$30.70▲ 14.04% in range
Nov 3, 2025Low $25.75 · High $33.61Oct 30, 2026
What changed · written from our data
As of Nov 2, 2026

Columbia Banking Systems closed at $31.24 on Nov 2, up 1.76%, 7.1% below its 52-week closing high. Volume of 3.5M shares was 1.23× its 20-day average (close to normal).

Split-adjusted performance: +8.0% over one month, +7.5% over six months, +20.1% over one year.

In the quarter ended Jun 30, 2026, revenue was $898M, up 22.2% from a year earlier, with a net margin of 23.2%.

Short interest was 11.6M shares at the Oct 15 settlement, up 5.0% from the prior report (4.1% of float, 4.5 days to cover).

Market cap$8.84B282.9M shares
Revenue · quarter$898.0M+22.2% YoY
Diluted EPS$0.730.0% YoY
P/E · TTM12.4×P/S 2.5×
Net margin23.2%Gross 75.4%
Dividend yield4.74%$0.37 last paid
52-week range25.75 – 33.61−7.1% from high
Volume3.5M1.23× 20-day avg
Volatility · 60d20.7%Annualised
Short % of float4.1%4.5 days to cover
Net cash$8.56BCash $13.25B
Next earnings—Not scheduled
Split-adjusted performance
1W +0.6%1M +8.0%3M −1.7%6M +7.5%YTD +11.8%1Y +20.1%3Y +57.9%5Y −11.7%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Banking & Credit

Percentile among 436 companies (100 = best)

6-month momentum47
Revenue growth80
Net margin76
Value (low P/E)51
Size90

Industry medians: 6-month return +8.5%, revenue growth +5.4%, net margin 18.1%, P/E 12.5×.

Short interest

Details →
Shares short11.6M+5.0% vs prior
Days to cover4.5Settled Oct 15
% of float4.1%
Short vol. 10d57.8%of daily volume

Closest peers by size in Banking & Credit

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
COLBColumbia Banking Systems$31.24+1.76%+7.5%+22.2%23.2%12.4$8.84B
PBProsperity Bancshares$73.91+2.68%+7.8%+19.4%32.4%15.7$8.85BCompare
CBCCentral Bancompany$36.85+2.59%+36.4%—34.5%—$8.82BCompare
IRENIREN Limited$22.02−8.06%−55.5%−26.7%−498.5%—$8.68BCompare
WALWestern Alliance Bancorporation$78.67+3.12%−1.5%+3.6%18.2%8.7$8.58BCompare
ZIONZions Bancorporation N.A.$66.38+1.55%+6.9%+19.2%30.2%8.4$9.69BCompare
BOKFBOK Financial$132.51+1.76%−0.4%+3.2%20.0%12.4$8.05BCompare
ONBOld National Bancorp$25.77+2.71%+8.4%−0.2%23.9%10.4$9.75BCompare
VLYValley National Bancorp$14.45+2.19%+7.4%+4.1%18.1%12.0$7.94BCompare

News about Columbia Banking Systems

All news →
Why Columbia Banking (COLB) is Poised to Beat Earnings Estimates AgainZacks Investment Research · Oct 14, 2026▲ PositiveSOUND Behavioral Health Launches Corporate Community Partner Program During 60th Anniversary YearGlobeNewswire Inc. · Jul 29, 2026▲ PositiveColumbia Banking System Announces $0.37 Per Common Share DividendBenzinga · May 15, 2026▲ Positive

Quick answers

What does Columbia Banking Systems do?
Columbia Banking System Inc is a registered bank holding company whose wholly-owned banking subsidiary is Columbia State Bank. The company provides a full range of banking services to small and medium sized businesses, professionals, and individuals throughout Washington, Oregon, Idaho, and California.
What is COLB's market cap?
$8.84B, based on the Nov 2 close of $31.24.
What is COLB's P/E ratio?
12.4× trailing-twelve-month earnings of $711M.
Does Columbia Banking Systems pay a dividend?
Yes. The latest regular dividend was $0.37 per share (ex-date Aug 28), an annualised yield of 4.74%.
How much of COLB is sold short?
11.6M shares, 4.1% of float, as of Oct 15, 2026.
What sector is COLB in?
Financials, in the Banking & Credit industry.

About Columbia Banking Systems

Columbia Banking System Inc is a registered bank holding company whose wholly-owned banking subsidiary is Columbia State Bank. The company provides a full range of banking services to small and medium sized businesses, professionals, and individuals throughout Washington, Oregon, Idaho, and California. The company's subsidiary Columbia Trust Company is an Oregon trust company that provides agency, fiduciary, and other related trust services with offices in Washington, Oregon, and Idaho. The firm offers various products and services under Personal Banking, Business Banking, and Wealth Management divisions.

HQ: Tacoma, WA6,005 employeesListed Mar 1, 2023columbiabank.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology