Interactive Brokers (IBKR) Shares Outstanding (2016 - 2026)

Interactive Brokers' Shares Outstanding history spans 17 years, with the latest figure at $446.1 million for Q4 2025.

  • On a quarterly basis, Shares Outstanding rose 2.27% to $446.1 million in Q4 2025 year-over-year; TTM through Dec 2025 was $446.1 million, a 2.27% increase, with the full-year FY2025 number at $446.1 million, up 2.27% from a year prior.
  • Shares Outstanding hit $445.4 million in Q4 2025 for Interactive Brokers, roughly flat from $445.9 million in the prior quarter.
  • Over the last five years, Shares Outstanding for IBKR hit a ceiling of $445.9 million in Q3 2025 and a floor of $91.0 million in Q1 2021.
  • Historically, Shares Outstanding has averaged $267.1 million across 5 years, with a median of $259.7 million in 2022.
  • Biggest five-year swings in Shares Outstanding: soared 319.1% in 2022 and later increased 1.75% in 2025.
  • Tracing IBKR's Shares Outstanding over 5 years: stood at $98.4 million in 2021, then soared by 319.1% to $412.2 million in 2022, then rose by 4.0% to $428.7 million in 2023, then increased by 1.76% to $436.2 million in 2024, then rose by 2.27% to $446.1 million in 2025.
  • Business Quant data shows Shares Outstanding for IBKR at $446.1 million in Q4 2025, $445.9 million in Q3 2025, and $442.1 million in Q2 2025.