CARMAX INC (KMX) Institutional Ownership Changes & 13F Activity

CARMAX INC (KMX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Vulcan Value Partners, Renaissance Technologies LLC, Hillman Value Fund, Ariel Appreciation Fund, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2016Dodge & Cox Stock FundSell-2,56361,477$3,959
Q3 2016Renaissance Technologies LLCBuy289,900457,400$24,402
Q3 2016Giverny CapitalBuy3,312842,196$44,931
Q3 2016Dodge & Cox Stock FundSell-1,50064,040$3,417
Q2 2016Akre Capital ManagementBuy639,9454,958,266$288,869
Q2 2016Giverny CapitalBuy13,791838,884$41,130
Q2 2016Dodge & Cox Stock FundSell-8,10065,540$3,213
Q1 2016Akre Capital ManagementBuy900,9624,318,321$220,666
Q1 2016Giverny CapitalBuy144,426825,093$42,162
Q1 2016Greenbrier Partners Capital ManagementSell-100,000150,000$7,665
Q1 2016Dodge & Cox Stock FundSell-2,86573,640$3,763
Q4 2015Akre Capital ManagementBuy643,6993,417,359$184,435
Q4 2015Dodge & Cox Stock FundSell-502,28376,505$4,129
Q4 2015Renaissance Technologies LLCSell-483,700167,500$9,040
Q4 2015Giverny CapitalBuy27,833680,667$36,736
Q3 2015Akre Capital ManagementBuy1,073,6602,773,660$164,534
Q3 2015Renaissance Technologies LLCBuy605,300651,200$38,629
Q3 2015Giverny CapitalBuy119,650652,834$38,726
Q3 2015Greenbrier Partners Capital ManagementSell-26,732250,000$14,830
Q3 2015Dodge & Cox Stock FundSell-960578,788$34,334
Q2 2015Dodge & Cox Stock FundSell-6,099,173579,748$38,385
Q2 2015Renaissance Technologies LLCSell-102,20045,900$3,039
Q2 2015Giverny CapitalBuy26,433533,184$35,302
Q1 2015Dodge & Cox Stock FundSell-821,6506,678,921$460,912
Q1 2015Giverny CapitalBuy506,751506,751$34,971
Q1 2015Mairs & Power Growth FundSell-8753,000$207
Q4 2014Akre Capital ManagementBuy505,0001,700,000$113,186
Q4 2014Dodge & Cox Stock FundSell-111,5397,500,571$499,388
Q3 2014Akre Capital ManagementBuy595,0001,195,000$55,508
Q3 2014Dodge & Cox Stock FundSell-112,4007,612,110$353,583

Frequently asked questions about KMX activity

  • Which institutional owners are buying KMX?

    Institutional owners buying KMX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in KMX activity?

    "Buy" means an investor increased their reported position in KMX compared to the prior reporting period. This reflects growing exposure to CARMAX INC (KMX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in KMX increasing?

    Institutional interest in KMX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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