Millennium Management’s Interactive Brokers IBKR Stock Holding History

Millennium 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	$6.11M	Sell	91,100 -244,200	-73%	-$17.4M	﹤0.01%	2716
2025 Q4	$21.6M	Buy	335,300 +258,500	+337%	+$17.3M	0.01%	1516
2025 Q3	$5.28M	Sell	76,800 -18,000	-19%	-$1.13M	﹤0.01%	3095
2025 Q2	$5.25M	Sell	94,800 -50,000	-35%	-$2.37M	﹤0.01%	2935
2025 Q1	$5.99M	Buy	+144,800	New	+$7.17M	﹤0.01%	2679
2022 Q1	–	Sell	-240,000	Closed	-$4.76M	–	7145
2021 Q4	$4.76M	Hold	240,000	–	–	﹤0.01%	2952
2021 Q3	$3.74M	Buy	+240,000	New	+$3.78M	﹤0.01%	3214
2015 Q1	–	Sell	-28,800	Closed	-$210K	–	3813
2014 Q4	$210K	Buy	+28,800	New	+$193K	﹤0.01%	3603

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

Millennium Management's IBKR Position: Q1 2026 in Review

Millennium Management reduced its Interactive Brokers (IBKR) stake by 33% in Q1 2026, selling an estimated $20.2M and leaving 585,800 shares worth $39.3M. The position accounts for 0.02% of the portfolio, ranked #1014.

Millennium Management first reported a position in IBKR in Q2 2013 and has held it in 42 quarters since. The position peaked at $133M in Q2 2024. 994 funds tracked by Wall St. Rank hold IBKR as of Q1 2026.

Millennium Management held 585,800 shares of Interactive Brokers worth $39.3M as of Q1 2026.
Millennium Management sold 282,651 Interactive Brokers shares in Q1 2026, an estimated $20.2M.
Interactive Brokers made up 0.02% of Millennium Management's portfolio in Q1 2026, its #1014 holding.
Millennium Management first reported a position in Interactive Brokers in Q2 2013 and has held it in 42 quarters since.
Millennium Management's Interactive Brokers position peaked at $133M in Q2 2024.
994 funds tracked by Wall St. Rank held Interactive Brokers as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.