Interactive Brokers Group, Inc.

NasdaqGS:IBKR Stock Report

Market Cap: US$113.1b

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
27 Jan 26SellUS$11,755,911Earl NemserIndividual155,000US$77.98
23 Jan 26SellUS$18,969,682Earl NemserIndividual245,000US$78.14
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

Insider Trading Volume

Insider Buying: IBKR insiders have only sold shares 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 Government785,5480.176%
Individual Insiders11,568,7782.6%
General Public39,664,0098.9%
Institutions393,371,87988.3%

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

Top Shareholders

Top 25 shareholders own 55.15% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
11.7%
The Vanguard Group, Inc.
52,254,357US$13.3b-1.14%0.04%
7.11%
BlackRock, Inc.
31,656,622US$8.0b2.3%0.03%
4.23%
State Street Global Advisors, Inc.
18,836,521US$4.8b1.01%0.04%
2.86%
Cantillon Capital Management LLC
12,759,904US$3.2b0.76%4.54%
2.52%
Kayne Anderson Rudnick Investment Management, LLC
11,206,753US$2.8b-7.95%1.9%
2.29%
Geode Capital Management, LLC
10,203,434US$2.6b-1.36%0.04%
2.08%
Orbis Investment Management Limited
9,273,735US$2.4b-2.83%1.48%
2.06%
Greenwich Wealth Management, LLC
9,185,108US$2.3b-11.4%27.4%
1.86%
Wellington Management Group LLP
8,284,218US$2.1b-24%0.09%
1.58%
Norges Bank Investment Management
7,046,279US$1.8b37.1%0.03%
1.56%
Egerton Capital (UK) LLP
6,939,581US$1.8b11%5.27%
1.36%
Thomas Peterffy
6,064,728US$1.5b0%no data
1.32%
W1M Asset Management Limited
5,861,042US$1.5b909%4.06%
1.29%
American Century Investment Management Inc
5,762,860US$1.5b-3.2%0.15%
1.23%
JP Morgan Asset Management
5,474,421US$1.4b-22.3%0.03%
1.13%
1832 Asset Management L.P.
5,027,916US$1.3b260%0.34%
1.08%
Jacobs Levy Equity Management Inc
4,813,320US$1.2b1.6%1.26%
1.06%
FMR LLC
4,736,308US$1.2b-23.2%0.02%
1.04%
Baron Capital Group, Inc.
4,643,376US$1.2b0.73%0.81%
1.04%
Neuberger Berman Investment Advisers LLC
4,616,728US$1.2b-4.62%0.22%
1.03%
Two Sigma Advisers, LP
4,597,600US$1.2b9.65%0.6%
0.99%
UBS Asset Management AG
4,411,378US$1.1b41%0.02%
0.94%
Invesco Ltd.
4,200,644US$1.1b114%0.07%
0.92%
Invesco Capital Management LLC
4,087,735US$1.0b7.86%0.07%
0.84%
Jarislowsky, Fraser Limited
3,724,608US$946.0m0%1.31%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/03/09 12:55
End of Day Share Price 2026/03/06 00:00
Earnings2025/12/31
Annual Earnings2025/12/31

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. 8 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