A detailed history of Gw&K Investment Management, LLC transactions in Columbia Banking System, Inc. stock. As of the latest transaction made, Gw&K Investment Management, LLC holds 967,025 shares of COLB stock, worth $26 Million. This represents 0.22% of its overall portfolio holdings.

Number of Shares
967,025
Holding current value
$26 Million
% of portfolio
0.22%

Shares

1 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 12, 2025

BUY
$23.26 - $27.31 $22.5 Million - $26.4 Million
967,025 New
967,025 $24.9 Million

Others Institutions Holding COLB

About COLUMBIA BANKING SYSTEM, INC.


  • Ticker COLB
  • Exchange NASDAQ
  • Sector Financial Services
  • Industry Banks—Regional
  • Shares Outstandng 78,646,096
  • Market Cap $2.12B
  • Description
  • Columbia Banking System, Inc. operates as the bank holding company for Columbia State Bank that provides a range of banking services to small and medium-sized businesses, professionals, and individuals in the United States. It offers personal banking products and services, including noninterest and interest-bearing checking, savings, money marke...
More about COLB
Track This Portfolio

Track Gw&K Investment Management, LLC Portfolio

Follow Gw&K Investment Management, LLC and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Gw&K Investment Management, LLC, based on Form 13F filings with the SEC.

News

Stay updated on Gw&K Investment Management, LLC with notifications on news.