William Blair & Company
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William Blair & Company’s CarMax KMX Stock Holding History

William Blair & Company’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
2017
Q3 		– Sell
-700
Closed -$44K – 1439
2017
Q2 		$44K Buy
+700
New +$42.3K ﹤0.01% 1479
2017
Q1 		– Sell
-600
Closed -$38K – 1485
2016
Q4 		$38K Buy
+600
New +$33.7K ﹤0.01% 1268

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AQR Capital Management
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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

William Blair & Company's KMX Position: Q1 2026 in Review

William Blair & Company reduced its CarMax (KMX) stake by 8.6% in Q1 2026, selling an estimated $375K and leaving 90,691 shares worth $3.77M. The position accounts for 0.01% of the portfolio, ranked #569.

William Blair & Company first reported a position in KMX in Q2 2013 and has held it in 52 quarters since. The position peaked at $286M in Q4 2021. 548 funds tracked by Wall St. Rank hold KMX as of Q1 2026.

  • William Blair & Company held 90,691 shares of CarMax worth $3.77M as of Q1 2026.
  • William Blair & Company sold 8,560 CarMax shares in Q1 2026, an estimated $375K.
  • CarMax made up 0.01% of William Blair & Company's portfolio in Q1 2026, its #569 holding.
  • William Blair & Company first reported a position in CarMax in Q2 2013 and has held it in 52 quarters since.
  • William Blair & Company's CarMax position peaked at $286M in Q4 2021.
  • 548 funds tracked by Wall St. Rank held CarMax as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.