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Interactive Brokers Group, Inc. (IBKR)
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The market capitalization for Interactive Brokers Group, Inc. (IBKR) is $165.11 Billion, making it a Large Cap company. Market cap is calculated by multiplying the current stock price by the total number of shares outstanding.

Market Capitalization

$165.11B

$165.11 Billion

Calculation

Stock Price
$96.00
Shares Outstanding
1.72B
Market Cap
$165.11B

Market Cap = Price × Shares Outstanding

Size Classification

Large Cap

$10B - $1T

Companies with market capitalization between $10 billion and $1 trillion.

Market Cap Size Scale

Micro Cap

<$250M

Small Cap

$250M-$2B

Mid Cap

$2B-$10B

Large Cap

$10B-$1T

Mega Cap

>$1T

IBKR Market Cap: $165.11 Billion

Related Valuation Metrics

Key Statistics

Market Cap$165.11 Billion
Stock Price$96.00
Shares Outstanding1.72B
Size CategoryLarge Cap
P/E Ratio41.38
P/B Ratio7.71
Data as of Sunday, June 21, 2026

About Interactive Brokers Group, Inc.

Interactive Brokers Group, Inc. operates as a sophisticated electronic brokerage, serving clients across the United States and globally. This firm manages the trading, clearing, and settlement for a broad spectrum of financial instruments, including equities, options, futures, foreign exchange, bonds, mutual funds, exchange-traded funds (ETFs), precious metals, and digital currencies. Beyond its core brokerage activities, the company provides custodial and administrative account services tailored for various entities such as hedge funds, mutual funds, ETFs, registered investment advisors, proprietary trading desks, introducing brokers, and individual investors. Its suite of services also includes custody solutions, prime brokerage, and financing options like securities lending and margin lending. Interactive Brokers caters to both institutional and individual clientele, utilizing advanced electronic exchanges and market platforms. The company was established in 1977 and maintains its headquarters in Greenwich, Connecticut.

Greenwich, CT
3,027 employees
Financial Services / Investment - Banking & Investment Services
Sector
Financial Services
Industry
Investment - Banking & Investment Services
CEO
Milan Galik