← All companies
Interactive Brokers Group, Inc.
IBKR - CIK 0001381197
Market cap$38.31 B
Rank#397
SEC filings1,000
Market capitalization of Interactive Brokers Group, Inc.
As of 2026-05-29, Interactive Brokers Group, Inc. (IBKR) has a market capitalization of $38.31 B, making it the #397 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-05-29 | $145.66 B |
| 2026-05-28 | $137.62 B |
| 2026-05-26 | $140.19 B |
| 2026-05-25 | $138.30 B |
| 2026-05-24 | $138.30 B |
| 2026-05-22 | $138.30 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is Interactive Brokers Group, Inc.'s market cap?
As of 2026-05-29, Interactive Brokers Group, Inc. (IBKR) has a market capitalization of $38.31 B, making it the #397 most valuable US-listed company.
Where does Interactive Brokers Group, Inc. rank by market cap?
Interactive Brokers Group, Inc. is the #397 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.