CarMax Ownership | Who Owns CarMax?
CarMax Ownership Summary
CarMax is owned by 29.01% institutional investors, 0.41% insiders, and 70.58% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 11.72% of KMX shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.09% of its assets in CarMax shares.
KMX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | CarMax | 29.01% | 0.41% | 70.58% |
| Sector | Consumer Cyclical Stocks | 249.86% | 15.44% | -165.30% |
| Industry | Car Dealership Stocks | 35.71% | 8.07% | 56.22% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 17.26M | 11.72% | $717.57M |
| Vanguard group | 15.08M | 10.12% | $582.57M |
| Blackrock | 11.16M | 7.10% | $818.52M |
| Aqr capital management | 10.06M | 6.83% | $412.58M |
| Starboard value lp | 6.20M | 4.21% | $257.85M |
| Srs investment management | 5.65M | 3.84% | $235.00M |
| Two sigma investments, lp | 5.35M | 3.63% | $222.33M |
| State street | 4.89M | 3.32% | $203.12M |
| Janus henderson group | 4.58M | 3.11% | $190.47M |
| Primecap management co/ca/ | 4.36M | 2.96% | $181.21M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Rings capital management | 949.00K | 21.20% | $39.46M |
| Silver heights capital management | 917.70K | 14.66% | $38.16M |
| Mount capital | 410.40K | 6.88% | $17.06M |
| Freshford capital management | 500.00K | 6.46% | $36.67M |
| Starboard value lp | 6.20M | 5.64% | $257.85M |
| Bluedrive global investors llp | 56.75K | 4.75% | $4.16M |
| Oakview capital management | 20.37K | 4.70% | $1.49M |
| Kiltearn partners llp | 394.70K | 4.42% | $16.41M |
| Bml capital management | 155.00K | 4.14% | $6.44M |
| Biglari, sardar | 41.10K | 3.36% | $1.71M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Starboard value lp | 6.20M | 5.64% | 6.20M |
| Norges bank | 4.12M | 0.02% | 4.12M |
| Two sigma investments, lp | 5.35M | 0.18% | 2.38M |
| Aqr capital management | 10.06M | 0.19% | 2.13M |
| Goldman sachs group | 1.60M | 0.01% | 1.13M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fiduciary management inc /wi/ | - | - | -3.25M |
| Capital research global investors | - | - | -2.78M |
| Turtle creek asset management | - | - | -2.71M |
| Cooke & bieler lp | - | - | -2.24M |
| Vanguard group | 15.08M | 0.01% | -1.82M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Starboard value lp | 6.20M | 5.64% | 6.20M | $257.85M |
| Norges bank | 4.12M | 0.02% | 4.12M | $159.23M |
| Hawk ridge capital management lp | 973.98K | 2.08% | 973.98K | $43.70M |
| Vanguard fiduciary trust | 881.70K | 0.01% | 881.70K | $36.66M |
| Holocene advisors, lp | 826.14K | 0.08% | 826.14K | $34.35M |
Sold Out
| Holder | Change |
|---|---|
| Mendota financial group | -1.00 |
| Parallax volatility advisers | -1.00 |
| Gps wealth strategies group | -1.00 |
| Soa wealth advisors, llc. | -1.00 |
| Hughes financial services | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 307 | -46.14% | 42,716,000 | -71.68% | 29 | 0.28% | 139 | -49.82% | 103 | -50.95% |
| Dec 31, 2025 | 478 | -27.90% | 121,021,364 | -16.91% | 81 | 0.87% | 233 | -21.81% | 176 | -29.60% |
| Sep 30, 2025 | 645 | -16.12% | 145,433,958 | -9.10% | 96 | 0.87% | 289 | -21.25% | 242 | -12.32% |
| Jun 30, 2025 | 750 | -4.58% | 159,808,842 | 2.06% | 105 | 1.03% | 357 | 2.00% | 271 | -6.55% |
| Mar 31, 2025 | 695 | -11.58% | 147,226,010 | -11.11% | 94 | 0.84% | 319 | -8.60% | 250 | -11.35% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 8.64M | 6.09% | 1.83K |
| Vanguard US Total Market Shares ETF | 4.92M | 3.21% | -59.41K |
| Vanguard Total Stock Mkt Idx Inv | 4.52M | 3.19% | 11.90K |
| Vanguard Institutional 500 Index Trust | 4.37M | 2.90% | 27.80K |
| Vanguard 500 Index Investor | 3.77M | 2.51% | -552.68K |
| Vanguard Small Cap Index | 3.27M | 2.30% | -3.73K |
| Janus Inst Mid Cap Growth CF | 3.16M | 2.23% | - |
| Janus Henderson Enterprise D | 3.16M | 2.23% | - |
| Invesco S&P 500® Equal Weight ETF | 2.08M | 1.39% | 3.07K |
| FPA Crescent | 1.85M | 1.30% | 8.92K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 02, 2025 | ONeil Mark F | - | Buy | $499.81K |
| Oct 02, 2025 | STEENROD MITCHELL D | - | Buy | $91.14K |
| Jul 02, 2025 | Daniels Jon G | EVP, CAF | Sell | $108.79K |
| Apr 24, 2025 | STEENROD MITCHELL D | - | Buy | $85.14K |
| Jan 28, 2025 | Tuite Tyler | SVP & Chief Product Officer | Sell | $411.82K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | - |
| 2025 Q4 | 2 | - |
| 2025 Q3 | - | 1 |
| 2025 Q2 | 1 | - |
| 2025 Q1 | - | 5 |
KMX Ownership FAQ
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