Interactive Brokers Group, Inc.

NasdaqGS:IBKR Stock Report

Market Cap: US$116.5b

Interactive Brokers Group Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:IBKR Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
29 Oct 25SellUS$734,505Lawrence HarrisIndividual10,645US$69.00
28 Oct 25SellUS$996,998Lawrence HarrisIndividual14,355US$69.73
24 Oct 25SellUS$2,035,860Lawrence HarrisIndividual30,000US$68.50
23 Oct 25BuyUS$26,380Jill BrightIndividual400US$65.95
30 Sep 25SellUS$1,454,991Paul BrodyIndividual21,361US$70.00
26 Sep 25SellUS$2,048,554Paul BrodyIndividual31,354US$66.15
24 Sep 25SellUS$2,174,958Paul BrodyIndividual33,416US$65.54
22 Sep 25SellUS$4,686,587Paul BrodyIndividual72,683US$64.66
18 Sep 25SellUS$14,193,790Paul BrodyIndividual223,382US$65.05
16 Sep 25SellUS$12,252,246Paul BrodyIndividual195,482US$64.26
12 Sep 25SellUS$13,345,630Paul BrodyIndividual209,783US$64.19
10 Sep 25SellUS$13,208,163Paul BrodyIndividual212,399US$62.51
14 Aug 25SellUS$3,449,442Earl NemserIndividual53,900US$64.22
13 Aug 25SellUS$13,592,582Earl NemserIndividual201,686US$67.88
11 Aug 25SellUS$1,691,929Earl NemserIndividual25,682US$66.09
07 Aug 25SellUS$1,636,391Earl NemserIndividual25,682US$64.35
05 Aug 25SellUS$1,648,119Earl NemserIndividual25,682US$64.84
01 Aug 25SellUS$1,793,965Earl NemserIndividual27,482US$66.71
30 Jul 25SellUS$2,640,976Earl NemserIndividual39,786US$66.64
28 Jul 25SellUS$6,590Earl NemserIndividual100US$65.90
31 Jan 25BuyUS$29,634Jill BrightIndividual540US$54.88

Insider Trading Volume

Insider Buying: IBKR insiders have sold more shares than they have bought in the past 3 months.

Ownership Breakdown

What is the ownership structure of IBKR?
Owner TypeNumber of SharesOwnership Percentage
Private Companies49,6440.0111%
State or Government941,0050.211%
Individual Insiders12,953,1532.91%
General Public46,340,81710.4%
Institutions384,962,75786.5%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 53.4% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
11.4%
The Vanguard Group, Inc.
50,758,486US$13.3b21.4%0.04%
6.2%
BlackRock, Inc.
27,591,562US$7.2b-31.4%0.02%
3.4%
State Street Global Advisors, Inc.
15,131,029US$4.0b0.32%0.03%
2.88%
Cantillon Capital Management LLC
12,803,631US$3.3b-2.82%4.51%
2.81%
Kayne Anderson Rudnick Investment Management, LLC
12,490,101US$3.3b-1.52%1.99%
2.44%
Greenwich Wealth Management, LLC
10,864,532US$2.8b0.4%30.77%
2.19%
Orbis Investment Management Limited
9,740,072US$2.5b-30.3%1.73%
2.08%
Wellington Management Group LLP
9,270,551US$2.4b136%0.1%
1.81%
Egerton Capital (UK) LLP
8,056,844US$2.1b9.83%5.32%
1.69%
JP Morgan Asset Management
7,506,260US$2.0b-23.3%0.05%
1.5%
Geode Capital Management, LLC
6,682,629US$1.7b-27.3%0.03%
1.49%
FMR LLC
6,625,388US$1.7b33.2%0.02%
1.36%
Thomas Peterffy
6,064,728US$1.6b0%no data
1.26%
American Century Investment Management Inc
5,602,511US$1.5b-2.33%0.16%
1.22%
Marshall Wace LLP
5,415,370US$1.4b13.3%0.46%
1.21%
Jacobs Levy Equity Management Inc
5,396,930US$1.4b9.68%1.35%
1.15%
Norges Bank Investment Management
5,138,107US$1.3b-1.04%0.02%
1.1%
Neuberger Berman Investment Advisers LLC
4,875,777US$1.3b-0.11%0.24%
1%
W1M Investment Management Limited
4,441,243US$1.2b462%2.64%
0.94%
Baron Capital Group, Inc.
4,198,424US$1.1b14.8%0.68%
0.93%
Invesco Capital Management LLC
4,144,912US$1.1b5.9%0.08%
0.9%
UBS Asset Management AG
4,019,802US$1.1b27%0.02%
0.84%
Jarislowsky, Fraser Limited
3,724,608US$974.2m-11.7%1.24%
0.83%
Northern Trust Global Investments
3,687,831US$964.6m-3.23%0.03%
0.79%
Merrill Lynch, Pierce, Fenner & Smith Incorporated
3,524,414US$921.8m-7.42%0.08%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/10/31 10:27
End of Day Share Price 2025/10/31 00:00
Earnings2025/09/30
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Interactive Brokers Group, Inc. is covered by 25 analysts. 10 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Benjamin BudishBarclays
Brennan HawkenBMO Capital Markets Equity Research
Craig SiegenthalerBofA Global Research