One Madison Group’s Interactive Brokers IBKR Stock Holding History

One Madison Group’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	$21.7M	Buy	249,500 +30,125	+14%	+$2.51M	2.09%	20
2026 Q1	$14.7M	Buy	219,375 +79,375	+57%	+$5.67M	1.7%	24
2025 Q4	$9M	Sell	140,000 -30,000	-18%	-$2.01M	1.04%	26
2025 Q3	$11.7M	Sell	170,000 -34,000	-17%	-$2.14M	1.28%	26
2025 Q2	$11.3M	Sell	204,000 -36,000	-15%	-$1.71M	1.19%	23
2025 Q1	$9.94M	Sell	240,000 -360,000	-60%	-$17.8M	1.3%	23
2024 Q4	$26.5M	Buy	+600,000	New	+$25.3M	3.03%	15

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

One Madison Group's IBKR Position: Q2 2026 in Review

One Madison Group increased its Interactive Brokers (IBKR) stake by 14% in Q2 2026, buying an estimated $2.51M and bringing the position to 249,500 shares worth $21.7M. The position accounts for 2.09% of the portfolio, ranked #20.

One Madison Group first reported a position in IBKR in Q4 2024 and has held it in 7 quarters since. The position peaked at $26.5M in Q4 2024. 1,107 funds tracked by Wall St. Rank hold IBKR as of Q2 2026.

One Madison Group held 249,500 shares of Interactive Brokers worth $21.7M as of Q2 2026.
One Madison Group bought 30,125 Interactive Brokers shares in Q2 2026, an estimated $2.51M.
Interactive Brokers made up 2.09% of One Madison Group's portfolio in Q2 2026, its #20 holding.
One Madison Group first reported a position in Interactive Brokers in Q4 2024 and has held it in 7 quarters since.
One Madison Group's Interactive Brokers position peaked at $26.5M in Q4 2024.
1,107 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2026.

Based on One Madison Group's 13F filing for Q2 2026, filed 14 Aug 2026.