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Interactive Brokers Group, Inc. Weighted Avg Shares (Basic) 2008-2026 | IBKR

Annual FY2008–FY2025 · quarterly through Q1 FY2026

Latest annual · FY2025

440.9M

+2.0%YoY vs FY2024Source: 10-KFY2025

From 161.7M in FY2008 to 440.9M in FY2025: 2.7× in 17 years.

By quarter▲▼ vs a year before
Fiscal yearQ1Q2Q3Q4
FY26445M+2.2%Not reportedNot reportedNot reported
FY25436M+1.7%438M+1.8%444M+2.1%Not reported
FY24428M+4.0%431M+4.0%435M+2.4%Not reported
FY23412M+4.8%414M+4.8%425M+4.3%Not reported
FY22393M+8.2%395M+8.2%407M+5.8%Not reported

Shaded by size: darkest is the largest quarter shown; ringed is the latest reported; a dash marks a quarter with no separate figure. Each quarter sits by its period-end date.

Key Statistics

Trend DirectionStable
CAGR

+6.6%

FY2020
319.8M
FY2025
440.9M

5 years selected · on the chart

01—History

Weighted Avg Shares (Basic) History

Year-over-year comparison from 10-K annual reports

  18. 440.9M
YoY changeLargest recent move+17.8%in FY21Latest +2.0%

02—Ledger

Weighted Avg Shares (Basic), period by period

PeriodValueChangeSource
FY2025440.9M+2.0%10-K
FY2024432.4M+3.0%10-K
FY2023419.9M+4.5%10-K
FY2022401.8M+6.7%10-K
FY2021376.7M+17.8%10-K
FY2020319.8M+5.0%10-K
FY2019304.5M+3.7%10-K
FY2018293.8M+5.0%10-K
FY2017279.7M+5.9%10-K
FY2016264.1M+8.1%10-K
FY2015244.2M+8.1%10-K
FY2014226.0M+13.6%10-K
FY2013199.0M+6.3%10-K
FY2012187.3M+6.6%10-K
FY2011175.7M+4.9%10-K
FY2010167.5M+2.2%10-K
FY2009163.9M+1.3%10-K
FY2008161.7M—10-K

03—Questions

What is weighted avg shares (basic)?

Weighted average shares outstanding (basic) is the time-weighted average number of common shares outstanding during the reporting period, used as the denominator to calculate basic earnings per share.

What is Interactive Brokers Group, Inc.'s current weighted avg shares (basic)?

Interactive Brokers Group, Inc. (IBKR) annual weighted avg shares (basic) for 2025 was 440.9M, a 1.96% increase from 2024. Interactive Brokers Group, Inc. weighted avg shares (basic) for the quarter ending March 31, 2026 was 445.4M.

What was Interactive Brokers Group, Inc.'s weighted avg shares (basic) in 2024?

Interactive Brokers Group, Inc. annual weighted avg shares (basic) for 2024 was 432.4M, a 3.00% increase from 2023.

What was Interactive Brokers Group, Inc.'s weighted avg shares (basic) in 2023?

Interactive Brokers Group, Inc. annual weighted avg shares (basic) for 2023 was 419.9M, a 4.48% increase from 2022.

What is Interactive Brokers Group, Inc.'s 5-year weighted avg shares (basic) CAGR?

Interactive Brokers Group, Inc. weighted avg shares (basic) grew at a compound annual growth rate (CAGR) of 6.64% from FY2020 to FY2025, going from 319.8M to 440.9M over 5 years.

Company
Interactive Brokers Group, Inc.
Ticker
IBKR
Sector
Other
Industry
Security Brokers, Dealers & Flotation Companies
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