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Joel Greenblatt's CarMax, Inc. (KMX) position

Yes: as of Q1 2026, Joel Greenblatt holds 985K shares of KMX worth $41M (0.1% of the disclosed portfolio). Last quarter the position was increased by 130.9%. First disclosed Q3 2021.
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Current value
$41M
Shares held
985K
% of portfolio
0.1%
Est. average buy price (i)
$42.14
est. since Q4 2025
Quarter-end price
$41.60

Estimated trade prices

Average price in quarters with purchases
$51.88
Average prices in quarters with sales
  • Q3 2025: $59.70 (38K shares sold)
  • Q2 2025: $67.27 (18K shares sold)
  • Q4 2023: $67.22 (4K shares sold)
  • Q3 2023: $81.89 (12K shares sold)
  • Q2 2023: $73.21 (17K shares sold)

KMX price vs Greenblatt's position

1Y 3Y 5Y MAX
Dates
$30$100$150$20020222023202420252026New position of 2K shares · Q3 2021. Average closing price $133.08 · Price range $124.24–$146.452KsharespurchasedAdded 2K shares (99.7%) · Q4 2021. Average closing price $140.03 · Price range $122.54–$154.852KsharespurchasedAdded 1K shares (39.1%) · Q1 2022. Average closing price $107.57 · Price range $96.48–$127.011KsharespurchasedAdded 11K shares (204.3%) · Q2 2022. Average closing price $94.04 · Price range $85.76–$103.1711KsharespurchasedAdded 40K shares (796.2%) · Q4 2022. Average closing price $64.20 · Price range $55.69–$74.5840KsharespurchasedAdded 57K shares (127.9%) · Q1 2023. Average closing price $66.93 · Price range $56.26–$79.3257KsharespurchasedSold 17K shares (16.8%) · Q2 2023. Average closing price $73.21 · Price range $62.44–$86.2117KsharessoldSold 12K shares (14.5%) · Q3 2023. Average closing price $81.89 · Price range $69.01–$85.8312KsharessoldSold 4K shares (5.2%) · Q4 2023. Average closing price $67.22 · Price range $60.39–$78.554KsharessoldAdded 6K shares (9.1%) · Q1 2024. Average closing price $75.64 · Price range $67.45–$87.116KsharespurchasedAdded 29K shares (39.1%) · Q2 2024. Average closing price $72.06 · Price range $67.21–$85.9429KsharespurchasedAdded 14K shares (13.1%) · Q3 2024. Average closing price $79.07 · Price range $71.21–$85.7814KsharespurchasedAdded 951 shares (0.8%) · Q4 2024. Average closing price $78.54 · Price range $71.11–$87.20951sharespurchasedAdded 41K shares (34.8%) · Q1 2025. Average closing price $80.17 · Price range $69.25–$89.1941KsharespurchasedSold 18K shares (11.5%) · Q2 2025. Average closing price $67.27 · Price range $62.27–$82.7718KsharessoldSold 38K shares (26.7%) · Q3 2025. Average closing price $59.70 · Price range $44.86–$71.5738KsharessoldAdded 558K shares (130.9%) · Q1 2026. Average closing price $43.78 · Price range $39.29–$48.83558Ksharespurchased
Average closing price · filing quarter
$43.78
Price range · filing quarter
$39.29 – $48.83
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +558K +$24M +130.9% 985K May 15, 2026
Q4 2025 First covered – – – 426K Feb 17, 2026
Q3 2025 Reduced −38K −$2.3M −26.7% 104K Nov 14, 2025
Q2 2025 Reduced −18K −$1.2M −11.5% 142K Aug 14, 2025
Q1 2025 Added +41K +$3.3M +34.8% 160K May 15, 2025
Q4 2024 Added +951 +$75K +0.8% 119K Feb 14, 2025
Q3 2024 Added +14K +$1.1M +13.1% 118K Nov 14, 2024
Q2 2024 Added +29K +$2.1M +39.1% 104K Aug 14, 2024
Q1 2024 Added +6K +$472K +9.1% 75K May 15, 2024
Q4 2023 Reduced −4K −$253K −5.2% 69K Feb 14, 2024
Q3 2023 Reduced −12K −$1.0M −14.5% 72K Nov 14, 2023
Q2 2023 Reduced −17K −$1.3M −16.8% 85K Aug 14, 2023
Q1 2023 Added +57K +$3.8M +127.9% 102K May 15, 2023
Q4 2022 Added +40K +$2.5M +796.2% 45K Feb 14, 2023
Q3 2022 First covered – – – 5K Nov 14, 2022
Q2 2022 Added +11K +$1.0M +204.3% 16K Aug 15, 2022
Q1 2022 Added +1K +$160K +39.1% 5K May 16, 2022
Q4 2021 Added +2K +$267K +99.7% 4K Feb 14, 2022
Q3 2021 New +2K +$254K – 2K Nov 15, 2021
Data through Q1 2026 · filed May 15, 2026
19 grouped rows from 19 quarters

More Greenblatt positions

Apple Inc.(AAPL)
$727M
2.2% of portfolio

NVIDIA Corporation(NVDA)
$715M
2.2% of portfolio

Amazon.com, Inc.(AMZN)
$163M
0.5% of portfolio

Alphabet Inc.(GOOGL)
$155M
0.5% of portfolio

Snowflake Inc.(SNOW)
$150M
0.5% of portfolio

Common questions

Does Joel Greenblatt own KMX?

Yes. As of Q1 2026, Joel Greenblatt disclosed 985K shares of KMX, worth $41M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy KMX?

Joel Greenblatt first disclosed a KMX position in Q3 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Joel Greenblatt sell KMX?

The quarter-by-quarter table above shows each sale and reduction Joel Greenblatt disclosed in KMX. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of KMX does Joel Greenblatt own?

Joel Greenblatt disclosed 985K shares of KMX as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Joel Greenblatt pay for KMX?

Joel Greenblatt began building the KMX position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.