Institutional shares held 274 Million
183K calls
96.6K puts
Total value of holdings $7.37B
$4.93M calls
$2.6M puts
Market Cap $2.12B
78,646,096 Shares Out.
Institutional ownership 348.17%
# of Institutions 515


Latest Institutional Activity in COLB

Top Purchases

Q4 2025
Oak Thistle LLC Shares Held: 78.4K ($2.11M)
Q4 2025
Zwj Investment Counsel Inc Shares Held: 260K ($7M)
Q4 2025
Ausbil Investment Management LTD Shares Held: 44K ($1.18M)
Q4 2025
Aspire Capital Advisors LLC Shares Held: 7.58K ($204K)
Q4 2025
Legacy Wealth Asset Management, LLC Shares Held: 7.51K ($202K)

Top Sells

Q4 2025
Nordea Investment Management Ab Shares Held: 523K ($14.1M)
Q4 2025
Sg Americas Securities, LLC Shares Held: 26K ($701K)
Q4 2025
Hunter Perkins Capital Management, LLC Shares Held: 227K ($6.12M)
Q4 2025
Gilman Hill Asset Management, LLC Shares Held: 320K ($8.61M)
Q4 2025
Retirement Systems Of Alabama Shares Held: 359K ($9.67M)

About COLB

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 market, and certificate of deposit accounts; home mortgages for purchases and refinances, home equity loans and lines of credit, and other personal loans; debit and credit cards; and digital banking services. The company also provides business banking products and services, such as checking, savings, interest-bearing money market, and certificate of deposit accounts; agricultural, asset-based, builder, and other commercial real estate loans, as well as loans guaranteed by the small business administration; and professional banking, treasury management, merchant card, and international banking services. In addition, it offers wealth management solutions that include financial planning services, such as asset allocation, net worth analysis, estate planning and preservation, education funding, and wealth transfer; long-term care, and life and disability insurance solutions; individual retirement solutions comprising retirement planning, retirement income strategies, and traditional and Roth individual retirement accounts; and business solutions, which comprise business retirement plans, key person insurance, business succession planning, and deferred compensation plans to individuals, families, and professional businesses. Further, the company provides fiduciary, investment, and administrative trust services, such as personal and special needs trusts, estate settlement, and investment agency and charitable management. It operates a network of 153 branch locations, including 68 in the state of Washington, 59 in Oregon, 15 in Idaho, and 11 in California. The company was founded in 1993 and is headquartered in Tacoma, Washington.


Insider Transactions at COLB

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
695K Shares
From 20 Insiders
Grant, award, or other acquisition 695K shares
Sell / Disposition
132K Shares
From 23 Insiders
Sale (or disposition) back to the issuer 12.3K shares
Payment of exercise price or tax liability 115K shares
Open market or private sale 4.48K shares

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