Thomas Peterffy - Net Worth and Insider Trading
Thomas Peterffy Net Worth
The estimated net worth of Thomas Peterffy is at least $612 Million dollars as of 2026-08-21. Thomas Peterffy is the Chairman of Interactive Brokers Group Inc and owns about 6,522,420 shares of Interactive Brokers Group Inc (IBKR) stock worth over $612 Million. Details can be seen in Thomas Peterffy's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Thomas Peterffy has not made any transactions after 2023-01-27 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Thomas Peterffy
Thomas Peterffy Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Thomas Peterffy owns 2 companies in total, including Interactive Brokers Group Inc (IBKR) , and Newsmax Inc (NMAX) .
Click here to see the complete history of Thomas Peterffy’s form 4 insider trades.
Insider Ownership Summary of Thomas Peterffy
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| IBKR | Interactive Brokers Group Inc | 2023-01-27 | director & Chairman & CEO & President |
| NMAX | Newsmax Inc | 2025-03-28 | 10 percent owner |
Thomas Peterffy Latest Holdings Summary
Thomas Peterffy currently owns a total of 1 stock. Thomas Peterffy owns 6,522,420 shares of Interactive Brokers Group Inc (IBKR) as of January 27, 2023, with a value of $612 Million.
Latest Holdings of Thomas Peterffy
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| IBKR | Interactive Brokers Group Inc | 2023-01-27 | 6,522,420 | 93.87 | 612,259,565 |
Holding Weightings of Thomas Peterffy
Thomas Peterffy Form 4 Trading Tracker
According to the SEC Form 4 filings, Thomas Peterffy has made a total of 143 transactions in Interactive Brokers Group Inc (IBKR) over the past 5 years, including 0 buys and 143 sells. The most-recent trade in Interactive Brokers Group Inc is the sale of 160,000 shares on January 27, 2023, which brought Thomas Peterffy around $3 Million.
Insider Trading History of Thomas Peterffy
* The information on this page (including Insider Trading Shares, Share Changes, Cost, etc.) is sourced exclusively from Form 4 filings and does not incorporate any data from 13F or 13D/G filings. As a result, it may differ from the values shown on the Guru page.
- 1
Thomas Peterffy Trading Performance
Thomas Peterffy Ownership Network
Ownership Network List of Thomas Peterffy
Ownership Network Relation of Thomas Peterffy
Thomas Peterffy Owned Company Details
What does Interactive Brokers Group Inc do?
Who are the key executives at Interactive Brokers Group Inc?
Thomas Peterffy is the director & Chairman & CEO & President of Interactive Brokers Group Inc. Other key executives at Interactive Brokers Group Inc include director & Vice Chairman Earl H Nemser , director & CFO & Treasurer & Secretary Paul Jonathan Brody , and Exec V.P & Chief Info Officer Thomas Aj Frank .
Interactive Brokers Group Inc (IBKR) Insider Trades Summary
Over the past 18 months, Thomas Peterffy made no insider transaction in Interactive Brokers Group Inc (IBKR). Other recent insider transactions involving Interactive Brokers Group Inc (IBKR) include a net sale of 800,000 shares made by Earl H Nemser , a net sale of 1,000,000 shares made by Paul Jonathan Brody , and a net purchase of 200 shares made by Lori A Conkling .
In summary, during the past 3 months, insiders sold 0 shares of Interactive Brokers Group Inc (IBKR) in total and bought 75 shares, with a net purchase of 75 shares. During the past 18 months, 1,870,355 shares of Interactive Brokers Group Inc (IBKR) were sold and 600 shares were bought by its insiders, resulting in a net sale of 1,869,755 shares.
Interactive Brokers Group Inc (IBKR)'s detailed insider trading history can be found in Insider Trading Tracker table.
Interactive Brokers Group Inc Insider Transactions
Thomas Peterffy Mailing Address
Above is the net worth, insider trading, and ownership report for Thomas Peterffy. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Thomas Peterffy's mailing address is: Greenwich Ct 06830.
We'd love to learn more about your experiences on GuruFocus.com and how we can improve!
Take Survey
