A detailed history of Mario Gabelli (Gamco Investors, Inc. Et Al) transactions in Columbia Banking System, Inc. stock. As of the latest transaction made, Gamco Investors, Inc. Et Al holds 135,689 shares of COLB stock, worth $3.65 Million. This represents 0.04% of its overall portfolio holdings.

Number of Shares
135,689
Previous 132,435 2.46%
Holding current value
$3.65 Million
Previous $3.1 Million 12.79%
% of portfolio
0.04%
Previous 0.03%

Shares

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

Nov 12, 2025

BUY
$23.26 - $27.31 $75,688 - $88,866
3,254 Added 2.46%
135,689 $3.49 Million
Q2 2025

Aug 13, 2025

BUY
$20.71 - $25.63 $2.74 Million - $3.39 Million
132,435 New
132,435 $3.1 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
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