CarMax Inc

KMX

Exchange: NYSE
Industry: Retail-Auto Dealers & Gasoline Stations
SEC CIK: 0001170010

SEC filings (opens in a new tab)

No open-market purchases or sales by CarMax Inc insiders were filed in the last 90 days; 557 institutions reported holding it in 13F filings for Q2 2026, worth $7.80B in total; superinvestors Starboard Value and Markel Group hold it.

13F holders, Q3 2026

Institutional positions in CarMax Inc as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 4; +1 vs. Q2 2026
Shares held: 3.96K; +625 (+18.7%) vs. Q2 2026
Total value: $218.5K; +$41.6K (+23.5%) vs. Q2 2026
New holders: 1; 2 more added
Sold out: 0; 0 more reduced

554 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting KMX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding KMX and their total value by quarter
Quarter	Holders	Value
Q2 2026	557	$7.80B
Q1 2026	550	$6.36B
Q4 2025	537	$5.83B
Q3 2025	622	$6.54B
Q2 2025	731	$10.7B
Q1 2025	753	$12.6B
Q4 2024	750	$13.1B
Q3 2024	743	$12.6B
Q2 2024	707	$12.4B
Q1 2024	716	$15.0B
Q4 2023	706	$13.0B
Q3 2023	683	$11.9B
Q2 2023	705	$13.9B
Q1 2023	674	$11.0B
Q4 2022	659	$10.4B
Q3 2022	640	$10.9B
Q2 2022	693	$14.7B
Q1 2022	696	$16.0B
Q4 2021	737	$20.3B
Q3 2021	685	$19.9B
Q2 2021	682	$20.3B
Q1 2021	699	$20.4B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding CarMax Inc; share changes are against Q2 2026.

Institutions holding KMX in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Mirae Asset Global Investments Co., Ltd.	–	–	–	–	Not filed
BankPlus Trust Department	–	–	–	–	Not filed
Pinnacle Wealth Planning Services, Inc.	–	–	–	–	Not filed
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	–	–	–	–	Not filed
MetLife Investment Management	–	–	–	–	Not filed
Smartleaf Asset Management LLC	–	–	–	–	Not filed
Federated Hermes, Inc.	–	–	–	–	Not filed
Nomura Asset Management Co Ltd	–	–	–	–	Not filed
Parallel Advisors, LLC	–	–	–	–	Not filed
IFP Advisors, Inc	–	–	–	–	Not filed
Umb Bank N A	–	–	–	–	Not filed
Geneos Wealth Management Inc.	–	–	–	–	Not filed
Smithfield Trust Co	–	–	–	–	Not filed
MCF Advisors LLC	–	–	–	–	Not filed
Clean Yield Group	–	–	–	–	Not filed
PEAK6 LLC	–	–	–	–	Not filed
Rakuten Securities, Inc.	–	–	–	–	Not filed
Salomon & Ludwin, LLC	–	–	–	–	Not filed
Eurizon Capital SGR S.p.A.	–	–	–	–	Not filed
National Bank of Canada	–	–	–	–	Not filed
Alphadyne Asset Management LP	–	–	–	–	Not filed
True Wealth Design, LLC	–	–	–	–	Not filed
Deseret Mutual Benefit Administrators	–	–	–	–	Not filed
BI Asset Management Fondsmaeglerselskab A/S	–	–	–	–	Not filed
Signaturefd, LLC	–	–	–	–	Not filed
Kerr Financial Planning Corp	–	–	–	–	Not filed
Steward Partners Investment Advisory, LLC	–	–	–	–	Not filed
Quarry LP	–	–	–	–	Not filed
St Germain D J Co Inc	–	–	–	–	Not filed
Cape Investment Advisory, Inc.	–	–	–	–	Not filed
Center for Financial Planning, Inc.	–	–	–	–	Not filed
Commonwealth Retirement Investments LLC	–	–	–	–	Not filed
South State Corp.	–	–	–	–	Not filed
North Star Investment Management Corp.	–	–	–	–	Not filed
SJS Investment Consulting Inc.	–	–	–	–	Not filed
Hollencrest Capital Management	–	–	–	–	Not filed
Aberdeen Wealth Management LLC	–	–	–	–	Not filed
Abound Financial, LLC	–	–	–	–	Not filed
Los Angeles Capital Management LLC	–	–	–	–	Not filed
Anchor Investment Management, LLC	–	–	–	–	Not filed
Bryn Mawr Trust Co	–	–	–	–	Not filed
Ameriflex Group, Inc.	–	–	–	–	Not filed
Murphy & Mullick Capital Management Corp	–	–	–	–	Not filed
Steigerwald, Gordon & Koch Inc.	–	–	–	–	Not filed
Global Retirement Partners, LLC	–	–	–	–	Not filed
Massmutual Trust Co FSB	–	–	–	–	Not filed
Basecamp Wealth Advisors LLC	–	–	–	–	Not filed
Paradigm Asset Management Co LLC	–	–	–	–	Not filed
Quent Capital, LLC	–	–	–	–	Not filed
Optiver Holding B.V.	–	–	–	–	Not filed
Blume Capital Management, Inc.	–	–	–	–	Not filed
Activest Wealth Management	–	–	–	–	Not filed
Continuum Advisory, LLC	–	–	–	–	Not filed
ZRC Wealth Management, LLC	–	–	–	–	Not filed
Owl Creek Wealth Partners LLC	–	–	–	–	Not filed
Salem Investment Counselors Inc	–	–	–	–	Not filed
Compass Financial Management LLC	–	–	–	–	Not filed
First Community Trust NA	–	–	–	–	Not filed
Bare Financial Services, Inc	–	–	–	–	Not filed
Strengthening Families & Communities, LLC	–	–	–	–	Not filed
Capital Advisors, Ltd. LLC	–	–	–	–	Not filed
Investment Research & Advisory Group, Inc.	–	–	–	–	Not filed
Ancora Advisors, LLC	–	–	–	–	Not filed
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.	–	–	–	–	Not filed
Huntington National Bank	–	–	–	–	Not filed
Napier Financial, LLC	–	–	–	–	Not filed
Leonteq Securities AG	–	–	–	–	Not filed
Private Trust Co NA	–	–	–	–	Not filed
Danske Bank A/S	–	–	–	–	Not filed
Cheviot Value Management, LLC	–	–	–	–	Not filed
Institute for Wealth Management, LLC.	–	–	–	–	Not filed
Keating Financial Advisory Services, Inc.	–	–	–	–	Not filed
Harbour Investments, Inc.	–	–	–	–	Not filed
CoreCap Advisors, LLC	–	–	–	–	Not filed
Storebrand Asset Management AS	–	–	–	–	Not filed
JFS Wealth Advisors, LLC	–	–	–	–	Not filed
Parkside Financial Bank & Trust	–	–	–	–	Not filed
Larson Financial Group LLC	–	–	–	–	Not filed
Mather Group, LLC.	–	–	–	–	Not filed
Bogart Wealth, LLC	–	–	–	–	Not filed
Golden State Wealth Management, LLC	–	–	–	–	Not filed
Main Street Group, LTD	–	–	–	–	Not filed
Cassaday & Co Wealth Management LLC	–	–	–	–	Not filed
DHJJ Financial Advisors, Ltd.	–	–	–	–	Not filed
NBC Securities, Inc.	–	–	–	–	Not filed
Ronald Blue Trust, Inc.	–	–	–	–	Not filed
HHM Wealth Advisors, LLC	–	–	–	–	Not filed
Central Trust Co	–	–	–	–	Not filed
McGuire Capital Advisors Inc	–	–	–	–	Not filed
Valued Wealth Advisors LLC	–	–	–	–	Not filed
Covestor Ltd	–	–	–	–	Not filed
Signature Equity Partners, LLC	–	–	–	–	Not filed
Prestige Wealth Management Group LLC	–	–	–	–	Not filed
IFG Advisory, LLC	–	–	–	–	Not filed
Farmers & Merchants Investments Inc	–	–	–	–	Not filed
Bruce G. Allen Investments, LLC	–	–	–	–	Not filed
Rossby Financial, LCC	–	–	–	–	Not filed
Golden State Equity Partners	–	–	–	–	Not filed
Zions Bancorporation, National Association	–	–	–	–	Not filed
High Note Wealth, LLC	–	–	–	–	Not filed