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

Columbia Banking System has disclosed Shares Outstanding (Diluted Average) across 18 years of filings, most recently posting $292.2 million for Q1 2026.

• Shares Outstanding (Diluted Average) for Q1 2026 came in at $292.2 million, up 39.11% year-over-year; the trailing twelve-month figure through Mar 2026 was $292.2 million (up 39.11% YoY), and the FY2025 annual result was $239.1 million, up 14.23% from the prior year.
• Shares Outstanding (Diluted Average) came in at $292.2 million for Q1 2026 at Columbia Banking System, up from $239.1 million in the prior quarter.
• In the past five years, Shares Outstanding (Diluted Average) ranged from a high of $292.2 million in Q1 2026 to a low of $129.7 million in Q2 2022.
• The 5-year median for Shares Outstanding (Diluted Average) is $209.0 million (2024), against an average of $194.0 million.
• Peak annual rise in Shares Outstanding (Diluted Average) reached 82.45% in 2022, while the deepest fall reached 0.99% in 2022.
• Columbia Banking System's Shares Outstanding (Diluted Average) stood at $129.7 million in 2022, then surged by 50.98% to $195.9 million in 2023, then grew by 6.87% to $209.3 million in 2024, then climbed by 14.23% to $239.1 million in 2025, then climbed by 22.18% to $292.2 million in 2026.
• The last three Shares Outstanding (Diluted Average) figures came in at $292.2 million (Q1 2026), $239.1 million (Q4 2025), and $238.9 million (Q3 2025), per Business Quant data.