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Equibles

KMX

Carmax Inc

Company with tickers: KMX

CIK
1170010
CUSIP
143130102
Shares Outstanding
141,820,715
13F Activity (30d)
276 filings 266 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 549
Total Value: $6,570,332,618
Total Shares: 158,016,666
Showing 1–100 of 582 holdings by value · page 1 of 6

Institutional Ownership Trend

25 quarters

Superinvestors Holding KMX

All superinvestors →
Jeffrey Smith $257,852,631 Joel Greenblatt $40,935,676 Thomas Gayner $5,675,670 Ray Dalio $1,022,784

Holder Concentration

Across 549 13F filers · Δ vs Dec 31, 2025
Top Holder
10.9%
Jun 2023 → Mar 2026 · range 7.1% – 14.1%
+3.8 pts
Top 5
29.9%
Jun 2023 → Mar 2026 · range 27.4% – 35.5%
−0.3 pts
Top 10
45.6%
Jun 2023 → Mar 2026 · range 40.2% – 49.0%
−2.7 pts
HHI
317
Jun 2023 → Mar 2026 · range 270 – 418
Broadly held+10

Quarterly Activity

vs Dec 31, 2025
New
153
Increased
153
Decreased
166
Sold Out
79
Unchanged
77
Holder count: +74
Institutional value: +94.9%
Shares held: +81.1%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega TWO SIGMA INVESTMENTS, LP +2,377,871 5,357,897
Mega AQR CAPITAL MANAGEMENT LLC +2,130,157 10,060,502
Large Focus Partners Wealth +726,367 1,492,859
Mega AMERICAN CENTURY COMPANIES INC +658,741 1,390,912
Mega UBS Group AG +654,587 2,358,795

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large DIAMOND HILL CAPITAL MANAGEMENT INC −1,739,442 2,470,596
Large TUDOR INVESTMENT CORP ET AL −940,548 205,631
Mid Apollo Management Holdings, L.P. −901,733 4,144,741
Mid Vulcan Value Partners, LLC −723,956 2,204,876
Mega D. E. Shaw & Co., Inc. −701,033 3,252,317

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega BlackRock, Inc. 17,257,461 $717,565,220
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 7,276,272 $302,547,389
Mega VANGUARD CAPITAL MANAGEMENT LLC 6,386,764 $265,561,647
Mid Starboard Value LP 6,201,362 $257,852,631
Mega JANUS HENDERSON GROUP PLC 4,580,807 $190,469,954

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Large TWO SIGMA ADVISERS, LP 2,908,400 $112,380,576
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1,772,526 $68,490,404
Small MANE GLOBAL CAPITAL MANAGEMENT LP 749,448 $28,958,670
Large HRT FINANCIAL LP 214,015 $8,269,539
Mid AKRE CAPITAL MANAGEMENT LLC 150,600 $5,819,184
Filter: New 153 Increased 153 Reduced 166 Sold out 79 Unchanged 77
Showing 100 of 582
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $717,565,220 10.92% 17,257,461
Mega AQR CAPITAL MANAGEMENT LLC $418,315,669 6.37% 10,060,502
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $302,547,389 4.60% 7,276,272
Mega VANGUARD CAPITAL MANAGEMENT LLC $265,561,647 4.04% 6,386,764
Mid Starboard Value LP $257,852,631 3.92% 6,201,362
Mid SRS Investment Management, LLC $234,996,604 3.58% 5,651,674
Mega TWO SIGMA INVESTMENTS, LP $222,332,293 3.38% 5,347,097
Mega STATE STREET CORP $203,120,794 3.09% 4,885,060
Mega JANUS HENDERSON GROUP PLC $190,469,954 2.90% 4,580,807
Mega PRIMECAP MANAGEMENT CO/CA/ $181,211,710 2.76% 4,358,146
Mega DIMENSIONAL FUND ADVISORS LP $177,782,065 2.71% 4,275,663
Mid Apollo Management Holdings, L.P. $172,338,330 2.62% 4,144,741
Large Baird Financial Group, Inc. $127,586,233 1.94% 3,068,452
Mid First Pacific Advisors, LP $123,979,460 1.89% 2,981,709
Mega D. E. Shaw & Co., Inc. $121,430,938 1.85% 2,920,417
Mega GEODE CAPITAL MANAGEMENT, LLC $106,227,211 1.62% 2,554,767
Mega MORGAN STANLEY $105,394,438 1.60% 2,534,739
Large DIAMOND HILL CAPITAL MANAGEMENT INC $102,727,381 1.56% 2,470,596
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $99,719,526 1.52% 2,398,257
Mid Vulcan Value Partners, LLC $91,678,744 1.40% 2,204,876
Mega BANK OF AMERICA CORP /DE/ Bank $70,160,385 1.07% 1,687,359
Mega UBS Group AG $67,122,383 1.02% 1,614,295
Mega GOLDMAN SACHS GROUP INC $66,591,284 1.01% 1,601,522
Large Focus Partners Wealth $62,073,077 0.94% 1,492,859
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $59,650,252 0.91% 1,434,590
Mega AMERICAN CENTURY COMPANIES INC $57,834,120 0.88% 1,390,912
Mega MILLENNIUM MANAGEMENT LLC $54,670,756 0.83% 1,314,833
Large RENAISSANCE TECHNOLOGIES LLC $51,767,100 0.79% 1,245,000
Mega NORTHERN TRUST CORP Bank $45,285,855 0.69% 1,089,126
Mega Invesco Ltd. $43,764,568 0.67% 1,052,539
Large Gotham Asset Management, LLC $40,935,676 0.62% 984,504
Small Rings Capital Management LLC $39,459,420 0.60% 949,000
Mega ENVESTNET ASSET MANAGEMENT INC $38,163,329 0.58% 917,829
Small Silver Heights Capital Management Inc $38,157,882 0.58% 917,698
Mega VANGUARD FIDUCIARY TRUST CO Bank $36,661,002 0.56% 881,698
Large Holocene Advisors, LP $34,350,984 0.52% 826,142
Mega Bank of New York Mellon Corp Bank $34,005,366 0.52% 817,830
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $32,212,026 0.49% 774,700
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $31,900,176 0.49% 767,200
Large Woodline Partners LP $31,818,097 0.48% 765,226
Mega UBS Group AG $29,729,700 0.45% 715,000
Mega PRINCIPAL FINANCIAL GROUP INC $28,565,750 0.43% 687,007
Large IEQ CAPITAL, LLC $25,833,570 0.39% 621,298
Large DAVENPORT & Co LLC $25,618,810 0.39% 616,133
Mega AMERIPRISE FINANCIAL INC $24,834,817 0.38% 597,278
Mid ARIEL INVESTMENTS, LLC $23,365,755 0.36% 561,947
Micro Framtiden Holdings Management Co LLC $22,453,200 0.34% 540,000
Large Public Sector Pension Investment Board Pension $21,093,783 0.32% 507,306
Mega CITADEL ADVISORS LLC $20,943,846 0.32% 503,700
Large Man Group plc $20,864,677 0.32% 501,796
Mega CITADEL ADVISORS LLC $20,169,959 0.31% 485,088
Small Nexus Investment Management ULC $19,327,007 0.29% 464,815
Mega FMR LLC $19,259,480 0.29% 463,191
Mega JANE STREET GROUP, LLC $19,032,329 0.29% 457,728
Mega BNP PARIBAS ARBITRAGE, SA $18,734,700 0.29% 450,570
Small EUBEL BRADY & SUTTMAN ASSET MANAGEMENT INC $18,581,187 0.28% 446,878
Mega RAYMOND JAMES FINANCIAL INC $18,196,571 0.28% 437,628
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $18,082,554 0.28% 434,886
Mid Welch & Forbes LLC $17,747,716 0.27% 426,833
Small Mount Capital Ltd $17,064,432 0.26% 410,400
Small Kiltearn Partners LLP $16,411,626 0.25% 394,700
Large Trexquant Investment LP $15,788,508 0.24% 379,714
Mega RHUMBLINE ADVISERS $15,696,158 0.24% 377,493
Mega JANE STREET GROUP, LLC $15,243,228 0.23% 366,600
Small Endure Capital Management, LLC $15,195,286 0.23% 365,447
Mega Legal & General Group Plc $14,948,549 0.23% 359,513
Large Mariner, LLC $14,830,545 0.23% 356,675
Mega CITIGROUP INC $14,440,734 0.22% 347,300
Large Cerity Partners LLC $14,418,238 0.22% 346,759
Mega FIRST TRUST ADVISORS LP $13,781,025 0.21% 331,434
Mid CLIFFORD SWAN INVESTMENT COUNSEL LLC $13,475,412 0.21% 324,084
Large MARSHALL WACE, LLP $13,287,843 0.20% 319,573
Mega CITADEL ADVISORS LLC $12,885,642 0.20% 309,900
Small GAGNON SECURITIES LLC Broker-Dealer $12,877,284 0.20% 309,699
Mega ROYAL BANK OF CANADA Bank $12,127,677 0.18% 291,671
Large Quantinno Capital Management LP $11,992,046 0.18% 288,409
Small Broad Run Investment Management, LLC $11,824,728 0.18% 284,385
Mega Nuveen, LLC $11,782,108 0.18% 283,360
Mega D. E. Shaw & Co., Inc. $11,746,350 0.18% 282,500
Mega Swiss National Bank Bank $11,667,348 0.18% 280,600
Large CWM, LLC $11,499,364 0.18% 276,560
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $11,435,788 0.17% 275,031
Mid QVT Financial LP $10,848,346 0.17% 260,903
Large WORLDQUANT MILLENNIUM ADVISORS LLC $9,446,269 0.14% 227,183
Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C. $9,177,203 0.14% 220,712
Mega WELLS FARGO & COMPANY/MN $8,982,525 0.14% 216,030
Mid HITE Hedge Asset Management LLC $8,450,843 0.13% 203,243
Mid OLD NATIONAL BANCORP /IN/ Bank $8,064,024 0.12% 193,940
Large FULLER & THALER ASSET MANAGEMENT, INC. $7,863,360 0.12% 189,114
Mega JPMORGAN CHASE & CO $7,825,353 0.12% 188,200
Large ASSETMARK, INC $7,782,403 0.12% 187,167
Mega California Public Employees Retirement System Pension $7,713,630 0.12% 185,513
Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $7,702,403 0.12% 185,243
Mid OPPENHEIMER & CO INC $7,513,630 0.11% 180,703
Small BANYAN CAPITAL MANAGEMENT, INC. $7,160,533 0.11% 172,211
Large Point72 Asset Management, L.P. $7,014,546 0.11% 168,700
Large Point72 Asset Management, L.P. $6,993,756 0.11% 168,200
Mid Lighthouse Investment Partners, LLC $6,945,647 0.11% 167,043
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $6,815,793 0.10% 163,920
Mega BARCLAYS PLC $6,786,894 0.10% 163,225

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