XTX Topco’s CarMax KMX Stock Holding History

XTX Topco’s Portfolio KMX Stock Details KMX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.8M	Buy	52,908 +32,723	+162%	+$1.42M	0.04%	793
2026 Q1	$839K	Sell	20,185 -1,858	-8%	-$81.3K	0.01%	1574
2025 Q4	$852K	Sell	22,043 -33,913	-61%	-$1.36M	0.02%	1146
2025 Q3	$2.51M	Sell	55,956 -24,016	-30%	-$1.43M	0.13%	154
2025 Q2	$5.37M	Buy	79,972 +61,105	+324%	+$4.11M	0.22%	69
2025 Q1	$1.47M	Buy	+18,867	New	+$1.51M	0.08%	367
2024 Q4	–	Sell	-20,712	Closed	-$1.6M	–	2619
2024 Q3	$1.6M	Buy	+20,712	New	+$1.64M	0.12%	217
2024 Q2	–	Sell	-16,041	Closed	-$1.4M	–	2173
2024 Q1	$1.4M	Buy	+16,041	New	+$1.21M	0.19%	74
2023 Q4	–	Sell	-7,655	Closed	-$541K	–	1853
2023 Q3	$541K	Sell	7,655 -12,710	-62%	-$1.04M	0.09%	352
2023 Q2	$1.7M	Buy	+20,365	New	+$1.49M	0.31%	20
2022 Q4	–	Sell	-12,079	Closed	-$797K	–	1321
2022 Q3	$797K	Buy	12,079 +7,437	+160%	+$680K	0.2%	86
2022 Q2	$420K	Buy	+4,642	New	+$437K	0.17%	160
2021 Q4	–	Sell	-1,930	Closed	-$247K	–	845
2021 Q3	$247K	Sell	1,930 -936	-33%	-$125K	0.08%	414
2021 Q2	$370K	Buy	+2,866	New	+$354K	0.12%	278

Other funds holding KMX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

SIM

SRS Investment Management New York $10.8B AUM 34.05% 1-Year Est. Return

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

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

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

XTX Topco's KMX Position: Q2 2026 in Review

XTX Topco increased its CarMax (KMX) stake by 162% in Q2 2026, buying an estimated $1.42M and bringing the position to 52,908 shares worth $2.8M. The position accounts for 0.04% of the portfolio, ranked #793.

XTX Topco first reported a position in KMX in Q2 2021 and has held it in 14 quarters since. The position peaked at $5.37M in Q2 2025. 555 funds tracked by Wall St. Rank hold KMX as of Q2 2026.

XTX Topco held 52,908 shares of CarMax worth $2.8M as of Q2 2026.
XTX Topco bought 32,723 CarMax shares in Q2 2026, an estimated $1.42M.
CarMax made up 0.04% of XTX Topco's portfolio in Q2 2026, its #793 holding.
XTX Topco first reported a position in CarMax in Q2 2021 and has held it in 14 quarters since.
XTX Topco's CarMax position peaked at $5.37M in Q2 2025.
555 funds tracked by Wall St. Rank held CarMax as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.