Aureus Asset Management’s Interactive Brokers IBKR Stock Holding History

Aureus Asset Management’s Portfolio IBKR Stock Details IBKR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$405K	Sell	6,039 -77	-1%	-$5.5K	0.03%	167
2025 Q4	$393K	Hold	6,116	–	–	0.03%	150
2025 Q3	$421K	Hold	6,116	–	–	0.03%	141
2025 Q2	$339K	Hold	6,116	–	–	0.02%	160
2025 Q1	$253K	Sell	6,116 -1,512	-20%	-$74.9K	0.02%	172
2024 Q4	$337K	Hold	7,628	–	–	0.02%	152
2024 Q3	$266K	Hold	7,628	–	–	0.02%	170
2024 Q2	$234K	Hold	7,628	–	–	0.02%	177
2024 Q1	$213K	Buy	+7,628	New	+$190K	0.01%	183
2023 Q3	–	Sell	-10,400	Closed	-$216K	–	197
2023 Q2	$216K	Hold	10,400	–	–	0.02%	162
2023 Q1	$215K	Buy	+10,400	New	+$212K	0.02%	166
2022 Q1	–	Sell	-11,088	Closed	-$220K	–	223
2021 Q4	$220K	Buy	+11,088	New	+$206K	0.01%	195
2021 Q2	–	Sell	-11,088	Closed	-$202K	–	235
2021 Q1	$202K	Buy	+11,088	New	+$200K	0.02%	171

Other funds holding IBKR

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

CCM

Cantillon Capital Management New York $15.1B AUM 23.54% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return

GWM

Greenwich Wealth Management Greenwich, Connecticut $2.45B AUM 39.53% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Aureus Asset Management's IBKR Position: Q1 2026 in Review

Aureus Asset Management reduced its Interactive Brokers (IBKR) stake by 1.3% in Q1 2026, selling an estimated $5.5K and leaving 6,039 shares worth $405K. The position accounts for 0.03% of the portfolio, ranked #167.

Aureus Asset Management first reported a position in IBKR in Q1 2021 and has held it in 13 quarters since. The position peaked at $421K in Q3 2025. 993 funds tracked by Wall St. Rank hold IBKR as of Q1 2026.

Aureus Asset Management held 6,039 shares of Interactive Brokers worth $405K as of Q1 2026.
Aureus Asset Management sold 77 Interactive Brokers shares in Q1 2026, an estimated $5.5K.
Interactive Brokers made up 0.03% of Aureus Asset Management's portfolio in Q1 2026, its #167 holding.
Aureus Asset Management first reported a position in Interactive Brokers in Q1 2021 and has held it in 13 quarters since.
Aureus Asset Management's Interactive Brokers position peaked at $421K in Q3 2025.
993 funds tracked by Wall St. Rank held Interactive Brokers as of Q1 2026.

Based on Aureus Asset Management's 13F filing for Q1 2026, filed 13 May 2026.