XTX Topco’s Interactive Brokers IBKR Stock Holding History

XTX Topco’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	$3.42M	Buy	51,059 +41,553	+437%	+$2.97M	0.06%	479
2025 Q4	$611K	Sell	9,506 -6,759	-42%	-$452K	0.02%	1425
2025 Q3	$1.12M	Buy	+16,265	New	+$1.02M	0.06%	501
2025 Q2	–	Sell	-102,812	Closed	-$4.26M	–	2717
2025 Q1	$4.26M	Buy	102,812 +34,432	+50%	+$1.71M	0.22%	63
2024 Q4	$3.02M	Buy	68,380 +1,976	+3%	+$83.2K	0.25%	39
2024 Q3	$2.31M	Buy	66,404 +56,336	+560%	+$1.74M	0.17%	111
2024 Q2	$309K	Sell	10,068 -6,124	-38%	-$183K	0.03%	939
2024 Q1	$452K	Buy	+16,192	New	+$403K	0.06%	551
2023 Q2	–	Sell	-33,920	Closed	-$700K	–	1593
2023 Q1	$700K	Buy	+33,920	New	+$690K	0.15%	139
2022 Q3	–	Sell	-32,424	Closed	-$446K	–	1224
2022 Q2	$446K	Buy	+32,424	New	+$481K	0.18%	140
2021 Q3	–	Sell	-22,352	Closed	-$367K	–	846
2021 Q2	$367K	Buy	+22,352	New	+$387K	0.12%	280

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

XTX Topco's IBKR Position: Q1 2026 in Review

XTX Topco increased its Interactive Brokers (IBKR) stake by 437% in Q1 2026, buying an estimated $2.97M and bringing the position to 51,059 shares worth $3.42M. The position accounts for 0.06% of the portfolio, ranked #479.

XTX Topco first reported a position in IBKR in Q2 2021 and has held it in 11 quarters since. The position peaked at $4.26M in Q1 2025. 993 funds tracked by Wall St. Rank hold IBKR as of Q1 2026.

XTX Topco held 51,059 shares of Interactive Brokers worth $3.42M as of Q1 2026.
XTX Topco bought 41,553 Interactive Brokers shares in Q1 2026, an estimated $2.97M.
Interactive Brokers made up 0.06% of XTX Topco's portfolio in Q1 2026, its #479 holding.
XTX Topco first reported a position in Interactive Brokers in Q2 2021 and has held it in 11 quarters since.
XTX Topco's Interactive Brokers position peaked at $4.26M in Q1 2025.
993 funds tracked by Wall St. Rank held Interactive Brokers as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.