Interactive Brokers Group Ownership & Insider Activity

Interactive Brokers Group (IBKR) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.9% of shares outstanding. Institutional investors hold 53.9%. Over the past 90 days, insiders made 3 purchases worth $7K.

Shares Outstanding

453.078M

Shares Float

390.679M

Insider Shares Owned

8.663M

Insider % Owned

1.9%

Institutional Shares Held

244.078M

Institutional % Held

53.9%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$7K total

Sales (90d)

Net Activity

Net Buying

Net Value (90d)

$7K

Interactive Brokers Group Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Oct 1, 2026	Lori A Conkling	—	BUY	25.000	$85.42	$2K
Sep 1, 2026	Lori A Conkling	—	BUY	25.000	$94.53	$2K
Aug 3, 2026	Lori A Conkling	—	BUY	25.000	$87.03	$2K
Jul 1, 2026	Lori A Conkling	—	BUY	25.000	$88.03	$2K
Jun 1, 2026	Lori A Conkling	—	BUY	25.000	$86.10	$2K
May 1, 2026	Lori A Conkling	—	BUY	25.000	$79.64	$2K
Apr 28, 2026	Lawrence E Harris	—	SELL	26.000K	$76.93	$2.0M

Date	Member	Party	Chamber	Action	Amount
Oct 14, 2025	Lisa McClain	R	House	Sale	$1,001 - $15,000
Aug 13, 2025	Lisa McClain	R	House	Purchase	$1,001 - $15,000
Jun 24, 2025	Lisa McClain	R	House	Sale	$1,001 - $15,000
Jun 17, 2025	Lisa McClain	R	House	Purchase	$1,001 - $15,000
Nov 13, 2024	Morgan McGarvey	D	House	Sale	$1,001 - $15,000
Jun 6, 2024	Morgan McGarvey	D	House	Purchase	$1,001 - $15,000