Two Sigma Advisers’s Interactive Brokers IBKR Stock Holding History

Two Sigma Advisers’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	–	Sell	-4,597,600	Closed	-$296M	–	1012
2025 Q4	$296M	Buy	4,597,600 +404,800	+10%	+$27.1M	0.57%	32
2025 Q3	$289M	Buy	4,192,800 +813,900	+24%	+$51.2M	0.58%	39
2025 Q2	$187M	Sell	3,378,900 -14,300	-0.4%	-$678K	0.38%	58
2025 Q1	$140M	Buy	3,393,200 +1,529,600	+82%	+$75.8M	0.32%	68
2024 Q4	$82.3M	Buy	1,863,600 +1,528,400	+456%	+$64.3M	0.19%	101
2024 Q3	$11.7M	Buy	335,200 +238,400	+246%	+$7.38M	0.03%	448
2024 Q2	$2.97M	Buy	+96,800	New	+$2.89M	0.01%	990
2023 Q2	–	Sell	-25,200	Closed	-$520K	–	2509
2023 Q1	$520K	Sell	25,200 -260,800	-91%	-$5.31M	﹤0.01%	1935
2022 Q4	$5.17M	Sell	286,000 -158,800	-36%	-$2.97M	0.01%	769
2022 Q3	$7.11M	Buy	+444,800	New	+$6.85M	0.02%	598
2020 Q4	–	Sell	-166,364	Closed	-$2.01M	–	2476
2020 Q3	$2.01M	Hold	166,364	–	–	0.01%	1164
2020 Q2	$1.74M	Hold	166,364	–	–	0.01%	1274
2020 Q1	$1.79M	Hold	166,364	–	–	0.01%	1175
2019 Q4	$1.94M	Hold	166,364	–	–	﹤0.01%	1240
2019 Q3	$2.24M	Hold	166,364	–	–	0.01%	1072
2019 Q2	$2.25M	Hold	166,364	–	–	0.01%	1154
2019 Q1	$2.16M	Hold	166,364	–	–	0.01%	1187
2018 Q4	$2.27M	Hold	166,364	–	–	0.01%	1120
2018 Q3	$2.3M	Hold	166,364	–	–	0.01%	1163
2018 Q2	$2.68M	Hold	166,364	–	–	0.01%	1163
2018 Q1	$2.8M	Hold	166,364	–	–	0.01%	1082
2017 Q4	$2.46M	Hold	166,364	–	–	0.01%	1148
2017 Q3	$1.87M	Hold	166,364	–	–	0.01%	1242
2017 Q2	$1.56M	Hold	166,364	–	–	0.01%	1325
2017 Q1	$1.44M	Hold	166,364	–	–	﹤0.01%	1412
2016 Q4	$1.52M	Sell	166,364 -12,000	-7%	-$109K	0.01%	1322
2016 Q3	$1.57M	Buy	178,364 +55,200	+45%	+$489K	0.01%	1138
2016 Q2	$1.09M	Buy	+123,164	New	+$1.17M	0.01%	1126
2015 Q4	–	Sell	-78,764	Closed	-$777K	–	1933
2015 Q3	$777K	Buy	+78,764	New	+$811K	﹤0.01%	1120
2015 Q2	–	Sell	-28,364	Closed	-$241K	–	1968
2015 Q1	$241K	Buy	+28,364	New	+$225K	﹤0.01%	1669

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

Two Sigma Advisers's IBKR Position: Q1 2026 in Review

Two Sigma Advisers sold out of Interactive Brokers (IBKR) in Q1 2026, closing a stake of 4,597,600 shares — an estimated $296M sold.

Two Sigma Advisers first reported a position in IBKR in Q1 2015 and held it in 30 quarters. The position peaked at $296M in Q4 2025. 993 funds tracked by Wall St. Rank hold IBKR as of Q1 2026.

Two Sigma Advisers reported no remaining Interactive Brokers position as of Q1 2026 after selling out during the quarter.
Two Sigma Advisers sold 4,597,600 Interactive Brokers shares in Q1 2026, an estimated $296M.
Two Sigma Advisers first reported a position in Interactive Brokers in Q1 2015 and held it in 30 quarters.
Two Sigma Advisers's Interactive Brokers position peaked at $296M in Q4 2025.
993 funds tracked by Wall St. Rank held Interactive Brokers as of Q1 2026.

Based on Two Sigma Advisers's 13F filing for Q1 2026.