LONE PINE CAPITAL LLC

Position in IBKR — Interactive Brokers Group, Inc.

CIK 1061165 GREENWICH, CT

Position in IBKR

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$50,280,048

New position

Shares Held

577,666

first reported quarter

Ownership

0.127%

of shares outstanding

% of Portfolio

0.31%

of 13F equity value

Holder Rank

#104

of 1,105 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

LONE PINE CAPITAL LLC holds $1,656,517,271 across 4 Capital Markets names. IBKR ranks #4 (3.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HUT	Hut 8 Corp.	5,773,045	$666,469,180
2	WULF	Terawulf Inc.	24,144,625	$596,372,237
3	LPLA	LPL Financial Holdings Inc.	1,219,099	$343,395,806
4	IBKR	Interactive Brokers Group, Inc. This page	577,666	$50,280,048

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$50,280,048	577,666	—	Shares	Sole	2026-08-14
No filing history on record for this holder in this stock.