Aureus Asset Management, LLC

Position in IBKR — Interactive Brokers Group, Inc.

CIK 1381296 BOSTON, MA

Position in IBKR

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

Position Value

$384,194

-$20,841 QoQ

Shares Held

4,414

-26.9% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#751

of 1,105 holders

Holding Since

Mar 2021

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

Aureus Asset Management, LLC holds $72,504,758 across 7 Capital Markets names. IBKR ranks #7 (0.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SCHW	Schwab Charles Corp	600,554	$55,413,117
2	MS	Morgan Stanley	50,794	$10,617,977
3	GS	Goldman Sachs Group Inc	3,132	$3,167,610
4	LAZ	Lazard, Inc.	38,419	$1,611,292
5	LPLA	LPL Financial Holdings Inc.	3,234	$910,953
6	HOOD	Robinhood Markets, Inc.	3,985	$399,615
7	IBKR	Interactive Brokers Group, Inc. This page	4,414	$384,194

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$384,194	4,414	-26.9%	Shares	Sole	2026-08-14
2026-03-31	$405,035	6,039	-1.3%	Shares	Sole	2026-05-13
2025-12-31	$393,319	6,116	0.0%	Shares	Sole	2026-02-17
2025-09-30	$420,841	6,116	0.0%	Shares	Sole	2025-11-17
2025-06-30	$338,887	6,116	+300.0%	Shares	Sole	2025-08-14
2025-03-31	$253,187	1,529	-19.8%	Shares	Sole	2025-05-15
2024-12-31	$336,909	1,907	0.0%	Shares	Sole	2025-02-14
2024-09-30	$265,759	1,907	0.0%	Shares	Sole	2024-11-14
2024-06-30	$233,798	1,907	0.0%	Shares	Sole	2024-08-13
2024-03-31	$213,030	1,907	-26.7%	Shares	Sole	2024-05-13
2023-06-30	$215,982	2,600	0.0%	Shares	Sole	2023-08-11
2023-03-31	$214,656	2,600	-6.2%	Shares	Sole	2023-05-12
2021-12-31	$220,152	2,772	0.0%	Shares	Sole	2022-02-14
2021-03-31	$202,466	2,772	—	Shares	Sole	2021-05-14
No filing history on record for this holder in this stock.