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Mount Capital’s CarMax KMX Stock Holding History

Mount Capital’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 		$30.9M Buy
584,800
+174,400
+42% +$7.59M 11.67% 5
2026
Q1 		$17.1M Hold
410,400
– – 6.88% 8
2025
Q4 		$15.9M Sell
410,400
-410,400
-50% -$16.4M 6.41% 7
2025
Q3 		$36.8M Buy
820,800
+381,700
+87% +$22.8M 13.21% 2
2025
Q2 		$29.5M Buy
439,100
+96,400
+28% +$6.48M 9.51% 5
2025
Q1 		$26.7M Hold
342,700
– – 8.61% 5
2024
Q4 		$28M Buy
342,700
+96,200
+39% +$7.56M 9.94% 4
2024
Q3 		$19.1M Buy
246,500
+97,200
+65% +$7.69M 6.67% 6
2024
Q2 		$10.9M Buy
+149,300
New +$10.8M 4.39% 10

Other funds holding KMX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
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
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Mount Capital's KMX Position: Q2 2026 in Review

Mount Capital increased its CarMax (KMX) stake by 42% in Q2 2026, buying an estimated $7.59M and bringing the position to 584,800 shares worth $30.9M. The position accounts for 11.67% of the portfolio, ranked #5.

Mount Capital first reported a position in KMX in Q2 2024 and has held it in 9 quarters since. The position peaked at $36.8M in Q3 2025. 553 funds tracked by Wall St. Rank hold KMX as of Q2 2026.

  • Mount Capital held 584,800 shares of CarMax worth $30.9M as of Q2 2026.
  • Mount Capital bought 174,400 CarMax shares in Q2 2026, an estimated $7.59M.
  • CarMax made up 11.67% of Mount Capital's portfolio in Q2 2026, its #5 holding.
  • Mount Capital first reported a position in CarMax in Q2 2024 and has held it in 9 quarters since.
  • Mount Capital's CarMax position peaked at $36.8M in Q3 2025.
  • 553 funds tracked by Wall St. Rank held CarMax as of Q2 2026.

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