Arrowstreet Capital’s Interactive Brokers IBKR Stock Holding History

Arrowstreet Capital’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	$312K	Buy	+3,585	New	+$298K	﹤0.01%	1806
2025 Q1	–	Sell	-272,040	Closed	-$12M	–	1899
2024 Q4	$12M	Buy	+272,040	New	+$11.5M	0.01%	770
2015 Q4	–	Sell	-181,960	Closed	-$1.79M	–	1489
2015 Q3	$1.79M	Buy	+181,960	New	+$1.87M	0.01%	771
2014 Q3	–	Sell	-380,104	Closed	-$2.21M	–	1041
2014 Q2	$2.21M	Buy	380,104 +106,092	+39%	+$610K	0.01%	571
2014 Q1	$1.48M	Sell	274,012 -652,256	-70%	-$3.61M	0.01%	728
2013 Q4	$5.64M	Buy	926,268 +469,728	+103%	+$2.62M	0.03%	412
2013 Q3	$2.14M	Buy	+456,540	New	+$1.96M	0.01%	538

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 $3.38T AUM 44.17% 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

Arrowstreet Capital's IBKR Position: Q2 2026 in Review

Arrowstreet Capital opened a new position in Interactive Brokers (IBKR) in Q2 2026: 3,585 shares worth $312K. The stake represents ﹤0.01% of the portfolio and ranks #1806 among its holdings. This is a return to the name: Arrowstreet Capital previously reported a position in IBKR as recently as Q4 2024.

Arrowstreet Capital first reported a position in IBKR in Q3 2013 and has held it in 7 quarters since. The position peaked at $12M in Q4 2024. 1,118 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

Arrowstreet Capital held 3,585 shares of Interactive Brokers worth $312K as of Q2 2026.
Interactive Brokers was a new Arrowstreet Capital position in Q2 2026.
Interactive Brokers made up ﹤0.01% of Arrowstreet Capital's portfolio in Q2 2026, its #1806 holding.
Arrowstreet Capital first reported a position in Interactive Brokers in Q3 2013 and has held it in 7 quarters since.
Arrowstreet Capital's Interactive Brokers position peaked at $12M in Q4 2024.
1,118 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

Based on Arrowstreet Capital's 13F filing for Q2 2026, filed 13 Aug 2026.