Lawrence E. Harris net worth and biography

Lawrence Harris Biography and Net Worth

Larry Harris holds the Fred V. Keenan Chair in Finance at the USC Marshall School of Business. His research, teaching, and consulting address regulatory and practitioner issues in trading and investment management. He authored Trading and Exchanges: Market Microstructure for Practitioners, a widely regarded “must read” for entrants into the securities industry. Professor Harris served as SEC Chief Economist from 2002-2004. He currently serves as lead independent director of Interactive Brokers (IBKR), director of the Selected Funds, and research coordinator of the Q-Group. Dr. Harris received his Ph.D. in Economics from the University of Chicago, and is a CFA charterholder.

What is Lawrence E. Harris' net worth?: The estimated net worth of Lawrence E. Harris is at least $12.75 million as of October 29th, 2025. Harris owns 198,704 shares of Interactive Brokers Group stock worth more than $12,746,862 as of December 14th. This net worth evaluation does not reflect any other investments that Harris may own. Learn More about Lawrence E. Harris' net worth.
How do I contact Lawrence E. Harris?: The corporate mailing address for Harris 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. Learn More on Lawrence E. Harris' contact information.
Has Lawrence E. Harris been buying or selling shares of Interactive Brokers Group?: During the last quarter, Lawrence E. Harris has sold $3,767,363.25 in shares of Interactive Brokers Group stock. Most recently, Lawrence E. Harris sold 10,645 shares of the business's stock in a transaction on Wednesday, October 29th. The shares were sold at an average price of $69.00, for a transaction totalling $734,505.00. Following the completion of the sale, the director now directly owns 198,704 shares of the company's stock, valued at $13,710,576. Learn More on Lawrence E. Harris' trading history.
Who are Interactive Brokers Group's active insiders?: Interactive Brokers Group's insider roster includes Jill Bright (Director), Paul Brody (CFO), Thomas Frank (Insider), Lawrence Harris (Director), Denis Mendonca (CAO), Earl Nemser (Vice Chairman), Thomas Peterffy (Founder & Chairman), and Philip Uhde (Director). Learn More on Interactive Brokers Group's active insiders.
Are insiders buying or selling shares of Interactive Brokers Group?: In the last twelve months, Interactive Brokers Group insiders bought shares 2 times. They purchased a total of 940 shares worth more than $56,013.85. In the last twelve months, insiders at the financial services provider sold shares 22 times. They sold a total of 1,260,683 shares worth more than $80,985,328.37. The most recent insider tranaction occured on October, 29th when Director Lawrence E Harris sold 10,645 shares worth more than $734,505.00. Insiders at Interactive Brokers Group own 3.0% of the company. Learn More about insider trades at Interactive Brokers Group.
Information on this page was last updated on 10/29/2025.

Lawrence E. Harris Insider Trading History at Interactive Brokers Group

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
10/29/2025	Sell	10,645	$69.00	$734,505.00	198,704
10/28/2025	Sell	6,855	$69.15	$474,023.25	209,349
10/27/2025	Sell	7,500	$69.73	$522,975.00	216,204
10/24/2025	Sell	8,000	$68.50	$548,000.00	223,704
10/23/2025	Sell	22,000	$67.63	$1,487,860.00	231,704

Lawrence E. Harris Buying and Selling Activity at Interactive Brokers Group

Interactive Brokers Group Company Overview

Interactive Brokers Group, Inc. operates as an automated electronic broker worldwide. The company engages in the execution, clearance, and settlement of trades in stocks, options, futures, foreign exchange instruments, bonds, mutual funds, exchange traded funds (ETFs), precious metals, and cryptocurrencies. It also custodies and services accounts for hedge and mutual funds, ETFs, registered investment advisors, proprietary trading groups, introducing brokers, and individual investors. In addition, the company offers custody, prime brokerage, securities, and margin lending services. It serves institutional and individual customers through electronic exchanges and market centers. The company was founded in 1977 and is headquartered in Greenwich, Connecticut.

Today's Range

Now: $64.15

$62.58

$66.00

50 Day Range

MA: $67.29

$61.05

$73.08

2 Week Range

Now: $64.15

$32.82

$73.35

Volume

5,181,026 shs

Average Volume

3,852,697 shs

Market Capitalization

$108.81 billion

P/E Ratio

30.80

Dividend Yield

0.50%

Beta

1.26