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Thomas Peterffy, insider at Interactive Brokers Group
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Thomas Peterffy Insider Information

Thomas Peterffy is the chairman of Interactive Brokers, the world’s largest electronic broker, which he founded in 1995. 

Born in Budapest in 1944, he immigrated to the United States in 1965. When he arrived, he took a position at a New York engineering firm. Peterffy’s first exposure to Wall Street was as a computer consultant for Aranyi Associates, which was owned by a fellow Hungarian immigrant working on stock and bond valuation programming. Additionally, Peterffy worked at commodities trader, Mocatta Metals, before going solo.

Peterffy purchased a seat on the American Stock Exchange in 1977 to trade options. A year later, he was working to automate the process, by using valuation sheets to improve the odds of profitable bidding on contracts. In 1982, he started a market making firm called Timber Hill, using hand held computers he had developed to track and calculate trades. By the late 1980s, he had branched into new markets, such as the early Chicago S&P 500 options pits.

Several years later, Peterffy expanded into Asia and Europe, opening what is known today as Interactive Brokers in 1995 to facilitate individual investors’ electronic trades. Along with his minority partners, Peterffy sold off 10 percent of his controlling partnership of Interactive Brokers in its public offering in 2007. 

Peterffy served as CEO of the company until 2019, when he became chairman. Interactive Brokers is consistently ranked among the Best Online Brokers by Barron’s, as well as other outlets.

What is Thomas Peterffy's net worth?

The estimated net worth of Thomas Peterffy is at least $450.65 million as of September 13th, 2021. Mr. Peterffy owns 6,008,687 shares of Interactive Brokers Group stock worth more than $450,651,525 as of October 20th. This net worth approximation does not reflect any other investments that Mr. Peterffy may own. Learn More.

What is Thomas Peterffy's salary?

As the Chairman of Interactive Brokers Group, Inc., Mr. Peterffy earned a total compensation package of $671,250.00 in 2020. Mr. Peterffy earned a salary of $640,000.00, and other compensation of $31,250.00.

How do I contact Thomas Peterffy?

The corporate mailing address for Mr. Peterffy and other Interactive Brokers Group executives is ONE PICKWICK PLAZA, GREENWICH CT, 06830. Interactive Brokers Group can also be reached via phone at (203) 618-5800.

Has Thomas Peterffy been buying or selling shares of Interactive Brokers Group?

Within the last three months, Thomas Peterffy has sold $9,669,000.00 of Interactive Brokers Group stock. Most recently, Thomas Peterffy sold 20,000 shares of the business's stock in a transaction on Monday, October 18th. The shares were sold at an average price of $71.98, for a transaction totalling $1,439,600.00.

Who are Interactive Brokers Group's active insiders?

Interactive Brokers Group's insider roster includes Paul Brody (CFO), Thomas Frank (Insider), and Thomas Peterffy (Chairman).

Are insiders buying or selling shares of Interactive Brokers Group?

In the last twelve months, Interactive Brokers Group insiders bought shares 1 times. They purchased a total of 15,000 shares worth mmore than $13,050.00. In the last twelve months, insiders at the financial services provider sold shares 219 times. They sold a total of 4,658,775 shares worth mmore than $327,462,024.23. The most recent insider tranaction occured on October, 18th when Thomas Aj Frank Insider bought 18,573 shares worth more than $1,337,441.73. Insiders at Interactive Brokers Group own 11.8 % of the company.

Information on this page was last updated on 10/18/2021.

Thomas Peterffy Insider Trading History at Interactive Brokers Group

Transaction DateBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
10/18/2021Sell20,000$71.98$1,439,600.00View SEC Filing Icon  
10/15/2021Sell20,000$71.56$1,431,200.00View SEC Filing Icon  
10/13/2021Sell20,000$71.64$1,432,800.00View SEC Filing Icon  
10/11/2021Sell20,000$71.99$1,439,800.00View SEC Filing Icon  
10/6/2021Sell20,000$68.16$1,363,200.00View SEC Filing Icon  
10/4/2021Sell20,000$64.29$1,285,800.00View SEC Filing Icon  
10/1/2021Sell20,000$63.83$1,276,600.00View SEC Filing Icon  
9/29/2021Sell20,000$64.92$1,298,400.00View SEC Filing Icon  
9/27/2021Sell20,000$64.65$1,293,000.00View SEC Filing Icon  
9/24/2021Sell20,000$62.52$1,250,400.00View SEC Filing Icon  
9/22/2021Sell20,000$60.16$1,203,200.00View SEC Filing Icon  
9/20/2021Sell20,000$59.45$1,189,000.00View SEC Filing Icon  
9/17/2021Sell22,200$61.66$1,368,852.00View SEC Filing Icon  
9/13/2021Sell20,000$62.49$1,249,800.006,008,687View SEC Filing Icon  
9/9/2021Sell20,000$63.36$1,267,200.006,048,226View SEC Filing Icon  
8/31/2021Sell20,000$64.58$1,291,600.006,167,511View SEC Filing Icon  
8/25/2021Sell20,000$63.84$1,276,800.006,247,811View SEC Filing Icon  
8/23/2021Sell20,000$62.39$1,247,800.00View SEC Filing Icon  
8/20/2021Sell20,000$61.67$1,233,400.00View SEC Filing Icon  
8/18/2021Sell20,000$62.10$1,242,000.00View SEC Filing Icon  
8/16/2021Sell20,000$62.34$1,246,800.006,367,511View SEC Filing Icon  
8/13/2021Sell20,000$63.06$1,261,200.006,408,211View SEC Filing Icon  
8/11/2021Sell20,000$63.68$1,273,600.006,447,511View SEC Filing Icon  
8/5/2021Sell20,000$62.31$1,246,200.006,527,511View SEC Filing Icon  
8/3/2021Sell20,000$61.47$1,229,400.00View SEC Filing Icon  
7/28/2021Sell20,000$60.93$1,218,600.00View SEC Filing Icon  
7/26/2021Sell20,000$60.67$1,213,400.006,687,511View SEC Filing Icon  
7/23/2021Sell20,000$61.17$1,223,400.00View SEC Filing Icon  
7/21/2021Sell20,000$62.88$1,257,600.006,780,611View SEC Filing Icon  
7/19/2021Sell20,000$62.40$1,248,000.006,807,511View SEC Filing Icon  
7/16/2021Sell20,000$63.46$1,269,200.006,807,511View SEC Filing Icon  
7/14/2021Sell20,000$63.89$1,277,800.006,849,511View SEC Filing Icon  
7/12/2021Sell20,000$65.22$1,304,400.00View SEC Filing Icon  
7/8/2021Sell20,000$63.41$1,268,200.006,934,810View SEC Filing Icon  
7/6/2021Sell20,000$64.27$1,285,400.006,968,211View SEC Filing Icon  
6/28/2021Sell20,000$65.35$1,307,000.007,087,511View SEC Filing Icon  
6/25/2021Sell20,000$66.14$1,322,800.007,087,511View SEC Filing Icon  
6/23/2021Sell20,000$64.87$1,297,400.007,130,315View SEC Filing Icon  
6/21/2021Sell20,000$63.67$1,273,400.007,167,517View SEC Filing Icon  
6/18/2021Sell20,000$63.77$1,275,400.007,212,111View SEC Filing Icon  
6/16/2021Sell20,000$64.42$1,288,400.007,247,511View SEC Filing Icon  
6/14/2021Sell20,000$64.76$1,295,200.007,288,311View SEC Filing Icon  
6/11/2021Sell20,000$65.31$1,306,200.007,288,311View SEC Filing Icon  
6/9/2021Sell20,000$66.89$1,337,800.007,339,211View SEC Filing Icon  
6/3/2021Sell20,000$68.42$1,368,400.007,422,611View SEC Filing Icon  
5/27/2021Sell20,000$67.16$1,343,200.007,487,811View SEC Filing Icon  
5/25/2021Sell20,000$67.18$1,343,600.007,527,511View SEC Filing Icon  
5/10/2021Sell20,000$68.48$1,369,600.007,769,711View SEC Filing Icon  
5/7/2021Sell20,000$69.52$1,390,400.007,769,711View SEC Filing Icon  
5/3/2021Sell20,000$71.24$1,424,800.007,851,611View SEC Filing Icon  
4/30/2021Sell20,000$71.85$1,437,000.007,888,511View SEC Filing Icon  
4/28/2021Sell20,000$72.27$1,445,400.007,927,511View SEC Filing Icon  
4/26/2021Sell20,000$72.83$1,456,600.007,986,011View SEC Filing Icon  
4/23/2021Sell20,000$73.00$1,460,000.007,986,011View SEC Filing Icon  
4/21/2021Sell20,000$75.07$1,501,400.008,027,211View SEC Filing Icon  
4/19/2021Sell20,000$76.99$1,539,800.008,047,711View SEC Filing Icon  
4/16/2021Sell20,000$76.55$1,531,000.008,103,711View SEC Filing Icon  
4/14/2021Sell20,000$74.81$1,496,200.008,128,011View SEC Filing Icon  
4/12/2021Sell20,000$74.16$1,483,200.008,173,811View SEC Filing Icon  
4/9/2021Sell20,000$74.04$1,480,800.008,173,811View SEC Filing Icon  
4/7/2021Sell20,000$73.46$1,469,200.008,209,211View SEC Filing Icon  
4/5/2021Sell20,000$75.46$1,509,200.008,256,211View SEC Filing Icon  
3/31/2021Sell20,000$73.45$1,469,000.008,291,511View SEC Filing Icon  
3/29/2021Sell20,000$72.16$1,443,200.008,329,911View SEC Filing Icon  
3/26/2021Sell20,000$73.32$1,466,400.008,381,911View SEC Filing Icon  
3/24/2021Sell20,000$76.30$1,526,000.008,409,511View SEC Filing Icon  
3/22/2021Sell20,000$78.18$1,563,600.008,453,911View SEC Filing Icon  
3/18/2021Sell40,000$77.82$3,112,800.008,491,011View SEC Filing Icon  
3/15/2021Sell20,000$78.08$1,561,600.008,528,611View SEC Filing Icon  
3/12/2021Sell20,000$78.42$1,568,400.008,585,011View SEC Filing Icon  
3/10/2021Sell40,000$78.46$3,138,400.008,585,011View SEC Filing Icon  
3/8/2021Sell20,000$76.07$1,521,400.008,664,411View SEC Filing Icon  
3/5/2021Sell20,000$73.72$1,474,400.008,664,411View SEC Filing Icon  
2/8/2021Sell22,900$71.10$1,628,190.009,016,111View SEC Filing Icon  
2/5/2021Sell21,200$70.83$1,501,596.009,056,411View SEC Filing Icon  
2/3/2021Sell40,000$68.18$2,727,200.009,056,411View SEC Filing Icon  
1/27/2021Sell14,400$63.80$918,720.009,151,711View SEC Filing Icon  
1/25/2021Sell14,400$67.64$974,016.009,183,411View SEC Filing Icon  
1/21/2021Sell14,400$68.32$983,808.009,216,311View SEC Filing Icon  
1/19/2021Sell14,400$69.90$1,006,560.009,242,711View SEC Filing Icon  
1/15/2021Sell14,400$68.49$986,256.009,266,911View SEC Filing Icon  
1/13/2021Sell14,400$69.82$1,005,408.009,294,711View SEC Filing Icon  
1/11/2021Sell15,500$68.68$1,064,540.009,331,811View SEC Filing Icon  
1/8/2021Sell13,300$70.35$935,655.009,331,811View SEC Filing Icon  
12/23/2020Sell14,400$60.87$876,528.009,467,511View SEC Filing Icon  
12/21/2020Sell14,400$58.07$836,208.009,502,211View SEC Filing Icon  
12/17/2020Sell14,400$59.34$854,496.009,535,211View SEC Filing Icon  
12/9/2020Sell16,300$55.71$908,073.009,631,111View SEC Filing Icon  
12/7/2020Sell5,900$53.60$316,240.009,648,811View SEC Filing Icon  
12/3/2020Sell15,511$54.56$846,280.169,669,111View SEC Filing Icon  
11/30/2020Sell15,800$52.76$833,608.009,739,811View SEC Filing Icon  
11/27/2020Sell8,100$53.81$435,861.009,739,811View SEC Filing Icon  
11/25/2020Sell14,400$52.62$757,728.009,755,511View SEC Filing Icon  
11/23/2020Sell14,400$53.15$765,360.009,784,311View SEC Filing Icon  
11/20/2020Sell15,000$53.18$797,700.009,784,311View SEC Filing Icon  
11/11/2020Sell14,400$51.45$740,880.009,904,011View SEC Filing Icon  
11/9/2020Sell14,400$49.82$717,408.009,928,311View SEC Filing Icon  
11/6/2020Sell14,400$48.87$703,728.009,928,311View SEC Filing Icon  
11/2/2020Sell13,700$48.23$660,751.009,992,211View SEC Filing Icon  
See Full Table

Thomas Peterffy Buying and Selling Activity at Interactive Brokers Group

This chart shows Thomas Peterffy's buying and selling at Interactive Brokers Group by year and by quarter.

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Interactive Brokers Group Company Overview

Interactive Brokers Group logo
Interactive Brokers Group, Inc. operates as an investment holding company, which engages in broker or dealer and proprietary trading businesses. It operates through the following segments: Electronic Brokerage and Corporate. The Electronic Brokerage segment is a direct market access broker, which serve the customers of both traditional brokers and prime brokers. The company was founded by Thomas Pechy Peterffy in 1977 and is headquartered in Greenwich, CT.
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Today's Range

Now: $75.00
Low: $72.45
High: $75.11

50 Day Range

MA: $64.58
Low: $59.39
High: $71.91

2 Week Range

Now: $75.00
Low: $46.71
High: $80.57


1,284,631 shs

Average Volume

859,567 shs

Market Capitalization

$31.35 billion

P/E Ratio


Dividend Yield



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