Columbia Banking System (COLB) Shares Outstanding (2009 - 2026)

Columbia Banking System has disclosed Shares Outstanding across 18 years of filings, most recently posting $289.5 million for Q1 2026.

• Shares Outstanding for Q1 2026 came in at $289.5 million, up 37.8% year-over-year; the trailing twelve-month figure through Mar 2026 was $289.5 million (up 37.8% YoY), and the FY2025 annual result was $295.4 million, up 40.99% from the prior year.
• Shares Outstanding came in at $289.5 million for Q1 2026 at Columbia Banking System, down from $295.4 million in the prior quarter.
• In the past five years, Shares Outstanding ranged from a high of $299.1 million in Q3 2025 to a low of $78.6 million in Q1 2022.
• The 5-year median for Shares Outstanding is $209.4 million (2024), against an average of $202.5 million.
• Across the five-year window, Shares Outstanding increased 0.2% in 2022 and surged 165.2% in 2023, its largest moves.
• Columbia Banking System's Shares Outstanding stood at $129.3 million in 2022, then surged by 61.29% to $208.6 million in 2023, then rose by 0.46% to $209.5 million in 2024, then soared by 40.99% to $295.4 million in 2025, then dropped by 1.99% to $289.5 million in 2026.
• The last three Shares Outstanding figures came in at $289.5 million (Q1 2026), $295.4 million (Q4 2025), and $299.1 million (Q3 2025), per Business Quant data.