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Below is a table of the IBKR shares outstanding history going back to 2/26/2010:
Also see: IBKR Market Cap History IBKR YTD Return |
IBKR Shares Outstanding History — Interactive Brokers Group Share Count Over Time
As of 5/5/2026 Interactive Brokers Group has 445.48 million IBKR shares outstanding. Investors often track the IBKR shares outstanding history to compare shareholder return trends against the change in share count over time.
This page shows IBKR share count trends over time, with 63 historical shares outstanding datapoints presented, dating back to 2/26/2010.
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IBKR Historical Shares Outstanding: +6.33% CAGR 
Mouse over chart for data details
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| IBKR Stock Price Chart |
| About Interactive Brokers Group Inc |
| Interactive Brokers Group, Inc. is an automated global electronic broker. Co. custody and service accounts for hedge and mutual funds, exchange-traded funds (ETFs), registered investment advisors, proprietary trading groups, introducing brokers and individual investors. It specializes in routing orders and executing and processing trades in stocks, options, futures, foreign exchange instruments (forex), bonds, mutual funds, ETFs, and precious metals on more than 150 electronic exchanges and market centers. We show 63 historical shares outstanding datapoints in our coverage of IBKR's shares outstanding history. Understanding the changing numbers of IBKR shares outstanding — and comprehending the concept of differing number of shares outstanding in general comparing companies like IBKR versus peers — is critical for investors. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies. Furthermore, via issuance of new shares over time, or the repurchase of existing shares, the number of shares outstanding can fluctuate over the course of history. With this page we aim to empower investors researching IBKR by allowing them to research IBKR shares outstanding history as well as any other stock in our coverage universe. |
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| IBKR Share Performance |
| Shares Outstanding Peers |
| Interactive Brokers Group (IBKR) is categorized under the Financials sector; to help you further research historical shares outstanding numbers, below are some other companies in the same sector:
IBMG Shares Outstanding History IBMH Shares Outstanding History IBMI Shares Outstanding History IBND Shares Outstanding History IBOC Shares Outstanding History IBTX Shares Outstanding History ICBK Shares Outstanding History ICCH Shares Outstanding History ICE Shares Outstanding History ICF Shares Outstanding History More Financials companies » |
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