Interactive Brokers Group Inc

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Interactive Brokers Group Inc
TickerIBKR
CIK #0001381197
CUSIP45841N107
SectorFinance - Security Brokers, Dealers & Flotation Companies
AddressOne Pickwick Plaza, Greenwich, CT 06830
Source [EDGAR]
CIK Filing 2011 - 2026
[0001381197] 10-K
[0001381197] 10-Q
[0001381197] 3
[0001381197] 4
[0001381197] 8-K
[0001381197] SC 13D
[0001381197] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Capital Management LLC Interactive Brokers Group Inc [2026-04-30] 0.0
Orbis Investment Management Ltd Interactive Brokers Group Inc [2024-02-14] 7.3
Select Equity Group LP Interactive Brokers Group Inc [2022-02-14] 5.8
Interactive Brokers Group Inc Up Fintech Holding Ltd [2019-05-20] 7.6
Kayne Anderson Rudnick Investment Management LLC Interactive Brokers Group Inc [2019-02-12] 7.54
Bares Capital Management Inc Interactive Brokers Group Inc [2018-02-14] 6.78
Baillie Gifford & Co Interactive Brokers Group Inc [2017-01-27] 8.09
Ancient Art LP Interactive Brokers Group Inc [2014-02-14] 5.8
Kylin Management LLC Interactive Brokers Group Inc [2013-12-11] 5.1
RS Investment Management Co LLC Interactive Brokers Group Inc [2013-02-15] 7.6
Vanguard Group Inc Interactive Brokers Group Inc [2013-02-13] 5.57
Form 3/4/5 Filer 2011 - 2026
Interactive Brokers Group Inc
Conkling Lori A
Galik Milan
Brody Paul Jonathan
Nemser Earl H
Mendonca Denis
Frank Thomas AJ
Harris Lawrence E
Repetto Richard H
Peterffy William
Bright Jill
Yuen Nicole
Peterffy Thomas
Uhde Philip
Katz Gary
Damgard John M
Echinus Advisors LLC
Winston Kenneth James
Wagner Wayne Hilbert
Gates Richard J
Kimball Rick
Technology Crossover Management VI LLC
Reynolds Jon Q
Drew John
TCV VI L P
Trudeau Robert
Hoag Jay C
Technology Crossover Management VII Ltd
TCV Member Fund LP
TCV VII A L P
Technology Crossover Management VII LP
Marshall Christopher P
TCV VII LP
Yuan David
Rosenberg John C
McAdam Timothy P
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Conkling Lori A
Class A common stock
2026-03-02 Buy 25 $69.21 1,730
Conkling Lori A
Class A common stock
2026-02-25 Buy 50 $73.21 3,660
Nemser Earl H
Class A common stock
2026-01-27 Sell 20,469 $75.75 1,550,527
Nemser Earl H
Class A common stock
2026-01-27 Sell 39,731 $75.07 2,982,606
Nemser Earl H
Class A common stock
2026-01-26 Sell 60,882 $75.83 4,616,682
Nemser Earl H
Class A common stock
2026-01-26 Sell 3,101 $77.98 241,816
Nemser Earl H
Class A common stock
2026-01-26 Sell 30,817 $76.72 2,364,280
Nemser Earl H
Class A common stock
2026-01-23 Sell 60,065 $78.14 4,693,479
Nemser Earl H
Class A common stock
2026-01-23 Sell 84,935 $77.65 6,595,203
Nemser Earl H
Class A common stock
2026-01-22 Sell 100,000 $76.81 7,681,000
Brody Paul Jonathan
Class A common stock
2026-01-01 Grant 389 $64.31 25,017
Peterffy William
Class A common stock
2026-01-01 Grant 389 $64.31 25,017
Nemser Earl H
Class A common stock
2026-01-01 Grant 389 $64.31 25,017
Harris Lawrence E
Class A common stock
2026-01-01 Grant 389 $64.31 25,017
Repetto Richard H
Class A common stock
2026-01-01 Grant 389 $64.31 25,017
Galik Milan
Class A common stock
2026-01-01 Grant 389 $64.31 25,017
Bright Jill
Class A common stock
2026-01-01 Grant 389 $64.31 25,017
Yuen Nicole
Class A common stock
2026-01-01 Grant 389 $64.31 25,017
Conkling Lori A
Class A common stock
2026-01-01 Grant 389 $64.31 25,017
Galik Milan
Class A common stock
2025-12-31 Grant 224,650 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 1,001 365,499,606
2025-12-31 978 382,174,867
2025-09-30 918 387,454,399
2025-06-30 809 381,623,144
2025-03-31 750 94,610,058
2024-12-31 717 92,597,887
2024-09-30 593 94,503,098
2024-06-30 555 95,539,655
2024-03-31 499 99,707,756
2023-12-31 460 93,288,746
2023-09-30 439 90,002,076
2023-06-30 428 88,662,052
Form 13F Holdings
Firm Period DFND Voting Shares
Ninety One UK Ltd [2026-06-30] SOLE 3,216,439 5,258,689
Congress Asset Management Co [2026-06-30] SOLE 1,299,984 1,527,739
Assenagon Asset Management SA [2026-06-30] SOLE 645,171 645,171
Systrade AG [2026-06-30] SOLE 500,000 500,000
Crocodile Capital Partners GmbH [2026-06-30] SOLE 227,226 227,226
Czech National Bank [2026-06-30] SOLE 126,802 126,802
CWA Asset Management Group LLC [2026-06-30] SOLE 0 122,486
QRG Capital Management Inc [2026-06-30] SOLE 100,705 100,705
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 98,395 98,395
PensionDanmark Pensionsforsikringsaktieselskab [2026-06-30] SOLE 0 93,641
Union Bancaire Privee UBP SA [2026-06-30] DFND 75,375 75,375
Ninety One SA PTY Ltd [2026-06-30] SOLE 70,009 74,305
Ninety One North America Inc [2026-06-30] SOLE 60,896 60,896
Blackhawk Capital Partners LLC [2026-06-30] SOLE 0 49,678
Arkfeld Wealth Strategies LLC [2026-06-30] SOLE 0 43,970
Uncommon Cents Investing LLC [2026-06-30] SOLE 0 43,765
Anderson Hoagland & Co [2026-06-30] SOLE 0 43,456
Davenport & Company LLC [2026-06-30] SOLE 42,724 42,824
Insight Wealth Strategies LLC [2026-06-30] SOLE 0 42,061
Yousif Capital Management LLC [2026-06-30] SOLE 9,893 40,562
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 3,104 37,389
Value Partners Investments Inc [2026-06-30] SOLE 36,757 36,757
Swedbank AB [2026-06-30] DFND 34,080 34,080
Envestnet Portfolio Solutions Inc [2026-06-30] SOLE 31,052 31,052
Manchester Financial Inc [2026-06-30] SOLE 0 28,659
Spire Wealth Management [2026-06-30] SOLE 0 28,641
Mitchell & PAHL Private Wealth LLC [2026-06-30] SOLE 28,516 28,516
Sowell Financial Services LLC [2026-06-30] SOLE 26,868 26,868
Hartford Investment Management Co [2026-06-30] SOLE 24,487 24,487
Louisiana State Employees Retirement System [2026-06-30] SOLE 22,700 22,700
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