Save your place

Sign in to WhoBought

Please try again later.

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.
View full portfolio →
Current value
$41M
Shares held
985K
% of portfolio
0.1%
Est. average buy price
$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

Dates
New 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–$48.83558Ksharespurchased3010015020222023202420252026
Average closing price · filing quarter
$43.78
Price range · filing quarter
$39.29 – $48.83

Every quarterly change

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

More Greenblatt positions

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.