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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
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
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SV
Starboard Value New York $4.57B AUM 4.97% 1-Year Est. Return
SIM
SRS Investment Management New York $9.47B AUM 60.12% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

XTX Topco's KMX Position: Q1 2026 in Review

XTX Topco reduced its CarMax (KMX) stake by 8.4% in Q1 2026, selling an estimated $81.3K and leaving 20,185 shares worth $839K. The position accounts for 0.01% of the portfolio, ranked #1574.

XTX Topco first reported a position in KMX in Q2 2021 and has held it in 13 quarters since. The position peaked at $5.37M in Q2 2025. 547 funds tracked by Wall St. Rank hold KMX as of Q1 2026.

  • XTX Topco held 20,185 shares of CarMax worth $839K as of Q1 2026.
  • XTX Topco sold 1,858 CarMax shares in Q1 2026, an estimated $81.3K.
  • CarMax made up 0.01% of XTX Topco's portfolio in Q1 2026, its #1574 holding.
  • XTX Topco first reported a position in CarMax in Q2 2021 and has held it in 13 quarters since.
  • XTX Topco's CarMax position peaked at $5.37M in Q2 2025.
  • 547 funds tracked by Wall St. Rank held CarMax as of Q1 2026.

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