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 Q2	$15.8M	Buy	181,600 +90,500	+99%	+$7.53M	0.01%	1845
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 $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

GWM

Greenwich Wealth Management Greenwich, Connecticut $2.74B AUM 36.19% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Millennium Management's IBKR Position: Q2 2026 in Review

Millennium Management increased its Interactive Brokers (IBKR) stake by 32% in Q2 2026, buying an estimated $15.5M and bringing the position to 772,059 shares worth $67.2M. The position accounts for 0.02% of the portfolio, ranked #721.

Millennium Management first reported a position in IBKR in Q2 2013 and has held it in 43 quarters since. The position peaked at $133M in Q2 2024. 1,117 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

Millennium Management held 772,059 shares of Interactive Brokers worth $67.2M as of Q2 2026.
Millennium Management bought 186,259 Interactive Brokers shares in Q2 2026, an estimated $15.5M.
Interactive Brokers made up 0.02% of Millennium Management's portfolio in Q2 2026, its #721 holding.
Millennium Management first reported a position in Interactive Brokers in Q2 2013 and has held it in 43 quarters since.
Millennium Management's Interactive Brokers position peaked at $133M in Q2 2024.
1,117 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.