Latest Period
Q1 2026
Security Snapshot
CARMAX INC - Common Stock (KMX) Institutional Ownership
CUSIP: 143130102
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
545
Shares (Excl. Options)
153,054,407
Price
$41.58
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- Security type / class
- Equity / Common Stock
- Symbol
- KMX on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 153,054,407
- Total 13F value
- $6,356,817,147
- Portfolio coverage rank
- 0.01%
- Share change
- +2,450,847
- Value change
- +$134,712,388
- Number of holders
- 545
- Shares outstanding
- 141,697,211
- SEC-reported price per share
- $40.33
- Insider filing price
- $40.33
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- KMX - CARMAX INC - Common Stock is tracked under CUSIP 143130102.
- 545 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 532 to 545 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $5,827,616,451 to $6,356,817,147.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 545 institutions filings for Q1 2026.
Security key
143130102
Latest holder period
Q1 2026
13F holders
545
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
KMX full holder history
CARMAX INC SEC filings
CARMAX INC company facts
CARMAX INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 143130102:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
KMX
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 11% | +70% | $751,509,906 | +$314,637,055 | 16,748,605 | +72% | BlackRock, Inc. | 31 Oct 2025 |
| AQR CAPITAL MANAGEMENT LLC | 7.1% | +25% | $493,769,438 | +$104,548,106 | 10,060,502 | +27% | AQR Capital Management, LLC | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.3% | $310,573,951 | 7,469,311 | Vanguard Capital Management | 31 Mar 2026 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.2% | $305,728,093 | 7,352,768 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| PRINCIPAL GLOBAL INVESTORS | 4% | $404,615,945 | 6,221,989 | PRINCIPAL GLOBAL INVESTORS | 31 Mar 2025 |
As of 31 Mar 2026, 545 institutional investors reported holding 153,054,407 shares of CARMAX INC - Common Stock (KMX). This represents 108% of the company’s total 141,697,211 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
77%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12% | 17,257,461 | -3.3% | 0.01% | $717,565,199 |
| AQR CAPITAL MANAGEMENT LLC | 7.1% | 10,060,502 | +27% | 0.19% | $412,581,185 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.1% | 7,276,272 | 0% | 0.02% | $302,547,390 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 6,386,764 | 0% | 0.01% | $265,561,647 |
| Starboard Value LP | 4.4% | 6,201,362 | 5.6% | $257,852,632 | |
| SRS Investment Management, LLC | 4% | 5,651,674 | +0.25% | 2.5% | $234,996,605 |
| TWO SIGMA INVESTMENTS, LP | 3.8% | 5,347,097 | +80% | 0.18% | $222,332,293 |
| STATE STREET CORP | 3.4% | 4,885,060 | -3.3% | 0.01% | $203,120,795 |
| JANUS HENDERSON GROUP PLC | 3.2% | 4,580,807 | +1.1% | 0.09% | $190,470,595 |
| PRIMECAP MANAGEMENT CO/CA/ | 3.1% | 4,358,146 | -0.21% | 0.14% | $181,211,709 |
| DIMENSIONAL FUND ADVISORS LP | 3% | 4,275,663 | +7.3% | 0.04% | $177,766,604 |
| Apollo Management Holdings, L.P. | 2.9% | 4,144,741 | -18% | 2.9% | $172,338,331 |
| Baird Financial Group, Inc. | 2.2% | 3,068,452 | +15% | 0.2% | $127,586,223 |
| First Pacific Advisors, LP | 2.1% | 2,981,709 | +2% | 1.7% | $123,979,460 |
| D. E. Shaw & Co., Inc. | 2.1% | 2,920,417 | -20% | 0.1% | $121,430,939 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8% | 2,554,767 | -0.12% | 0.01% | $106,254,114 |
| MORGAN STANLEY | 1.8% | 2,534,738 | +10% | 0.01% | $105,394,499 |
| DIAMOND HILL CAPITAL MANAGEMENT INC | 1.7% | 2,470,596 | -41% | 0.64% | $102,727,382 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 1.7% | 2,398,257 | -0.98% | 0.09% | $99,719,526 |
| Vulcan Value Partners, LLC | 1.6% | 2,204,876 | -25% | 2.4% | $91,678,744 |
| BANK OF AMERICA CORP /DE/ | 1.2% | 1,687,359 | +62% | 0.01% | $70,160,391 |
| UBS Group AG | 1.1% | 1,614,295 | +5.4% | 0.01% | $67,122,387 |
| GOLDMAN SACHS GROUP INC | 1.1% | 1,601,522 | +240% | 0.01% | $66,591,291 |
| Focus Partners Wealth | 1.1% | 1,492,859 | +95% | 0.07% | $62,073,112 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1% | 1,434,590 | +6.5% | 0.01% | $59,650,252 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 153,054,407 | $6,356,817,147 | +$134,712,388 | $41.58 | 545 |
| 2025 Q4 | 150,785,780 | $5,827,616,451 | +$34,903,696 | $38.64 | 532 |
| 2025 Q3 | 145,580,069 | $6,533,940,016 | -$884,765,822 | $44.87 | 613 |
| 2025 Q2 | 159,876,868 | $10,748,183,448 | +$140,238,625 | $67.21 | 722 |
| 2025 Q1 | 156,327,965 | $12,165,346,961 | -$349,089,780 | $77.92 | 745 |
| 2024 Q4 | 167,279,978 | $13,675,043,937 | +$193,303,649 | $81.76 | 743 |
| 2024 Q3 | 163,091,077 | $12,615,915,592 | -$494,697,991 | $77.38 | 733 |
| 2024 Q2 | 169,322,513 | $12,416,122,621 | -$261,381,732 | $73.34 | 700 |
| 2024 Q1 | 171,281,826 | $14,916,975,808 | +$254,872,542 | $87.11 | 702 |
| 2023 Q4 | 168,933,719 | $12,963,322,273 | +$83,902,618 | $76.74 | 700 |
| 2023 Q3 | 167,197,321 | $11,827,047,905 | +$49,686,036 | $70.73 | 676 |
| 2023 Q2 | 165,409,404 | $13,844,617,133 | -$351,929,097 | $83.70 | 690 |
| 2023 Q1 | 171,262,424 | $11,002,643,119 | +$30,066,474 | $64.28 | 661 |
| 2022 Q4 | 171,139,917 | $10,427,719,072 | +$379,196,525 | $60.89 | 645 |
| 2022 Q3 | 164,442,851 | $10,849,152,085 | +$87,392,559 | $66.02 | 617 |
| 2022 Q2 | 162,355,190 | $14,697,385,705 | -$227,309,378 | $90.48 | 680 |
| 2022 Q1 | 165,166,731 | $15,956,969,426 | +$853,352,793 | $96.48 | 680 |
| 2021 Q4 | 155,279,145 | $20,212,702,180 | +$63,511,336 | $130.23 | 723 |
| 2021 Q3 | 155,227,437 | $19,882,572,504 | -$242,352,476 | $127.96 | 672 |
| 2021 Q2 | 157,202,467 | $20,304,303,070 | +$444,897,783 | $129.15 | 673 |
| 2021 Q1 | 153,567,993 | $20,371,632,939 | -$780,958,595 | $132.66 | 683 |
| 2020 Q4 | 160,090,317 | $15,121,386,218 | -$119,872,507 | $94.46 | 644 |
| 2020 Q3 | 161,511,805 | $14,848,004,936 | -$403,242,403 | $91.91 | 619 |
| 2020 Q2 | 165,982,694 | $14,859,750,388 | +$325,239,558 | $89.55 | 582 |
| 2020 Q1 | 165,246,473 | $8,895,947,098 | -$96,956,832 | $53.83 | 532 |