10-KPeriod: FY2025

Interactive Brokers Group, Inc. Annual Report, Year Ended Dec 31, 2025

Filed February 27, 2026For Securities:IBKR

Summary

Interactive Brokers Group, Inc. (IBKR) reported strong financial performance for the year ended December 31, 2025, with total net revenues increasing by 20% to $6.2 billion and income before income taxes rising by 29% to $4.8 billion. This growth was primarily driven by a significant increase in customer trading volumes across equities, options, and futures, leading to a 27% surge in commission revenue. The company also benefited from higher net interest income, fueled by increased customer margin loans and credit balances, despite a slight decline in net interest margin due to lower benchmark interest rates. A key milestone for IBKR in 2025 was its inclusion in the S&P 500 Index, which is expected to enhance investor interest and stock liquidity. The company continues to invest heavily in its proprietary technology to maintain its position as a low-cost, efficient global brokerage platform, offering a wide range of trading products and services. Despite a challenging economic environment with ongoing geopolitical uncertainties, IBKR demonstrated resilience and adaptability, underscoring its robust business model and operational efficiency.

Financial Statements
Beta
Revenue$2.44B
SG&A Expenses$247.00M
Net Income$984.00M
EPS (Basic)$2.23
EPS (Diluted)$2.22
Shares Outstanding (Basic)440.93M
Shares Outstanding (Diluted)443.86M

Key Highlights

  • 1Total net revenues increased by 20% to $6.2 billion in 2025, driven by robust commission growth and higher net interest income.
  • 2Income before income taxes grew by 29% to $4.8 billion, reflecting strong operational leverage and efficient cost management.
  • 3Customer trading volumes saw significant increases across equities (38%), options (26%), and futures (12%), boosting commission revenue by 27%.
  • 4Inclusion in the S&P 500 Index in August 2025 is a significant achievement, expected to increase institutional investor interest and stock liquidity.
  • 5Net interest income rose by 13% to $3.6 billion, supported by higher customer margin loans and credit balances, despite a decrease in net interest margin.
  • 6The company maintained its commitment to low costs and technological innovation, enhancing its competitive edge in the global brokerage market.
  • 7IBKR's operational efficiency is highlighted by a pretax profit margin of 77% for 2025, an improvement from 71% in the prior year.

Frequently Asked Questions

The primary revenue driver for Interactive Brokers in 2025 was commissions, which increased by 27% to $2.15 billion, driven by a substantial rise in customer trading volumes across stocks, options, and futures.

Interactive Brokers achieved a significant milestone in August 2025 by being included in the S&P 500 Index. This inclusion is expected to increase institutional investor interest and enhance the liquidity and trading depth of its common stock.

IBKR's net interest income increased by 13% to $3.56 billion in 2025. This growth was primarily attributed to higher average customer margin loans and credit balances, as well as stronger securities lending activity, despite a slight decrease in the net interest margin due to lower benchmark interest rates.

Interactive Brokers' strategic focus remains on leveraging its proprietary technology to automate broker-dealer functions, offering clients low costs, superior execution, and a wide array of global products. They continue to invest in technology to maintain a competitive advantage and adapt to evolving market conditions.