Interactive Brokers (IBKR) Shares Outstanding (Weighted Average) (2009 - 2026)

Interactive Brokers has disclosed Shares Outstanding (Weighted Average) across 18 years of filings, most recently posting $445.4 million for Q1 2026.

• Shares Outstanding (Weighted Average) for Q1 2026 came in at $445.4 million, up 2.24% year-over-year; the trailing twelve-month figure through Mar 2026 was $445.4 million (up 2.24% YoY), and the FY2025 annual result was $440.9 million, up 1.96% from the prior year.
• Shares Outstanding (Weighted Average) came in at $445.4 million for Q1 2026 at Interactive Brokers, up from $440.9 million in the prior quarter.
• In the past five years, Shares Outstanding (Weighted Average) ranged from a high of $445.4 million in Q1 2026 to a low of $98.2 million in Q1 2022.
• The 5-year median for Shares Outstanding (Weighted Average) is $419.9 million (2023), against an average of $278.1 million.
• Across the five-year window, Shares Outstanding (Weighted Average) jumped 317.94% in 2023 and gained 1.44% in 2025, its largest moves.
• Interactive Brokers' Shares Outstanding (Weighted Average) stood at $100.5 million in 2022, then soared by 317.94% to $419.9 million in 2023, then grew by 3.0% to $432.4 million in 2024, then grew by 1.96% to $440.9 million in 2025, then gained by 1.02% to $445.4 million in 2026.
• The last three Shares Outstanding (Weighted Average) figures came in at $445.4 million (Q1 2026), $440.9 million (Q4 2025), and $439.4 million (Q3 2025), per Business Quant data.