Thomas Peterffy

Thomas Peterffy

Founder of Interactive Brokers

Current Networth - $38.4 Billion

Personal Stats

NameThomas Peterffy
RoleBusinessman
IndustryFinance & Investment
Net Worth$38.4 Billion

Table of Contents

  • About Thomas Peterffy
  • Businesses Owned
  • Early Life
  • Family
  • What Is Thomas Peterffy’s Net Worth?
  • What Is Thomas Peterffy’s Claim To Fame?

About Thomas Peterffy

Thomas Peterffy is a Hungarian-born American billionaire entrepreneur known for revolutionizing the financial industry through technological innovation. Born on September 30, 1944, in Budapest, Hungary, Peterffy grew up under communist rule before immigrating to the United States in 1965. Initially working as a draftsman and later as a computer programmer, he gained prominence for pioneering electronic trading in the financial markets. In 1978, Peterffy founded Interactive Brokers, a brokerage firm that introduced electronic trading platforms and automated market-making systems, significantly reducing trading costs and democratizing access to financial markets worldwide. His visionary leadership and contributions to electronic trading have earned him recognition as a transformative figure in finance and technology.


Businesses Owned

  • Interactive Brokers Group


Early Life

His journey from Budapest to becoming a prominent figure in the American financial industry reflects his entrepreneurial spirit and dedication to technological innovation.

  • Born on September 30, 1944, in Budapest, Hungary.
  • Grew up during communist rule in Hungary.
  • Thomas Peterffy began his studies in engineering in Hungary. However, he left his studies to immigrate to the United States in 1965
  • Immigrated to the United States in 1965, seeking political asylum.
  • Upon arriving in the U.S., he attended New York University's School of Engineering before dropping out from there as well.
  • Initially worked as a architectural draftsman working on highway projects for an engineering firm.
  • Started his career as a computer programmer, gaining expertise in technology and finance.
  • Founded Interactive Brokers in 1978, pioneering electronic trading platforms.
  • Visionary in using technology to automate trading processes and reduce costs.
  • Contributed significantly to advancing electronic trading systems in the financial industry.

Family

Thomas Peterffy keeps his family life private, and there is limited publicly available information about his family members.

  • Thomas Peterffy was previously married to Dale McDonald, with whom he has three children: two daughters and a son named William Peterffy. They later divorced.
  • Outside of his professional endeavors, Peterffy is known for his passion for equestrian sports. He resides in Palm Beach, Florida.
  • In 2020, Peterffy sold his 80-acre estate in Connecticut for $21 million. The property was originally listed for $65 million in 2015.

American millionaire entrepreneur Thomas Peterffy now has an estimated worth of around $38.4 billion. The founder of Interactive Brokers is one of the most significant individuals in the financial sector as he was one of the pioneers of electronic trading. His journey has been quite an inspiring one as he started as a computer programmer and after years of work, he earned the status of a financial tycoon.  In this article, we'll explore what made Thomas Peterffy one of the wealthiest individuals in the world.

Net Worth$38.4 Billion
Salary$725,000
Date of Birth

September 30, 1944

Place of Birth

Budapest, Hungary

GenderMale
Height5’11”
Profession

Businessman, Investor

NationalityHungarian, American
MarriedNo
Children3
No. of Houses2+
No. of CarsN/A

What Is Thomas Peterffy’s Net Worth?

Thomas Peterffy’s Net Worth

According to Forbes, Thomas Peterffy's net worth stands at around $38.4 billion

Peterffy has amassed most of his fortune through Interactive Brokers where he holds a dominant 91% stake in IBG Holdings, which in turn controls roughly 75% of Interactive Brokers. According to Bloomberg, he made approximately $1 billion in sales of shares and dividends during Interactive Brokers' 2007 IPO. It is worth mentioning that he possesses about 1.5% of the $205 million worth of Interactive Brokers Class A shares. At Interactive Brokers, Thomas Peterffy's total compensation as Chairman was $725,000 and from this amount, he received $550,000 as his salary. 


What Is Thomas Peterffy’s Claim To Fame?

Thomas Peterffy’s Claim to Fame

Thomas Peterffy started his career as a draftsman for an engineering firm and eventually transitioned to computer programming.

  • Interactive Brokers: Peterffy's journey to fame has been mostly attributed to his massive level of work in electronic trading and the establishment of Interactive Brokers. Interactive Brokers, which Peterffy founded in 1993, became the nation's preeminent computer trading platform quickly. Soon after, the business became well-known throughout the world, elevating Peterffy to a significant position in the financial industry.

Peterffy was also a market creator who brought about innovations that completely changed the sector. Global traders and investors benefited from his breakthroughs in electronic market-making, which increased efficiency and liquidity. He had a vision and was committed to his work, which shaped the current trading environment.


What Are Thomas Peterffy’s Business Ventures?

Thomas Peterffy’s Business Portfolio

Peterffy currently only owns one company, which is Interactive Brokers. 

  • Interactive Brokers: After beginning his career in market-making, he launched Interactive Brokers in 1993. He served as CEO until December 2019. Currently, Peterffy owns around 75% stake in the electronic trading platform through IBG Holdings, of which he owns a 91% stake. His stake in IB is worth around $35 billion. It is the largest electronic trading platform in the United States by number of daily average revenue trades. The company controls assets worth $128.4 billion and had a revenue of $4.3 billion as of 2023.

How Does Thomas Peterffy Spend His Wealth?

Thomas Peterffy is usually known for leading a modest lifestyle and rather focuses his spending on practical investments and philanthropic efforts. Despite his fortune of billions of dollars, he is known to avoid extravagant displays of wealth.


How Many Houses Does Thomas Peterffy Own?

Thomas Peterffy’s Real-Estate Portfolio

While the exact number of properties owned by Thomas Peterffy is not publicly disclosed, he is known to own quite a few houses across the country. 

  • Aspen Estate: Two Palm Beach billionaires, Steve Wynn and Thomas Peterffy, have purchased a $108 million Aspen estate, reportedly making this the highest residential sale in Colorado history. His impressive estate features five bedrooms and eight bathrooms. Riley Warwick, an agent with Douglas Elliman Real Estate, verified the off-market transaction. The mansion was purchased by the seller, who is connected to retired hockey star Patrick Dovigi, for $72.5 million in 2021. This is Wynn and Peterffy's second big transaction; they both possess substantial Palm Beach properties. 
  • Greenwich Estate: Greenwich's largest estate, nestled in the exclusive Conyers Farm community, sold for $21 million. The 80-acre property at 25 Lower Cross Road was first put up for sale in 2015 for $65 million by millionaire Thomas Peterffy. Built in 1904 and renovated twice, its price dropped to $29 million before finding a buyer. The sale was handled by the local real estate company David Ogilvy & Associates, which was indicative of the thriving Greenwich market, which was supported by improving state finances and increasing stock markets.

What Cars Does Thomas Peterffy Own?

Thomas Peterffy’s car collection has never been disclosed, and this is because the Bulgarian-American billionaire prefers living a rather low-profile life.


What Are Thomas Peterffy’s Charitable Contributions And Philanthropy Endeavors?

homas Peterffy’s Charitable Contributions

The Bulgarian-American businessman is a vocal advocate for free markets and has often publicly opposed excessive regulation and high taxes.

Thomas Peterffy has made significant charitable contributions throughout his career, focusing on various causes. Although the specific sum of donations is not known, he is believed to have donated to the areas of education, healthcare, research, and infrastructure


What Are Thomas Peterffy’s Future Plans?

While Thomas Peterffy tends to keep his future plans private, it is expected that he will continue to focus on the expansion of Interactive Brokers which he has already commenced with approving the launch of Forecast Contracts on Economic and climate Indicators and making further innovations to the multi-billion dollar company.


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FAQs

What is Thomas Peterffy's stance on financial regulation?

While advocating for free markets Thomas Peterffy supports certain financial regulations to ensure the trading practices stay fair.

What was Thomas Peterffy's role at the Kansas City Board of Trade?

Peterffy was a member and was at the forefront to the introduction of electronic trading systems in the Kansas City Board of Trade.


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