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Joel Greenblatt's Masco Corporation (MAS) position

Yes: as of Q1 2026, Joel Greenblatt holds 443K shares of MAS worth $27M (0.1% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
$27M
Shares held
443K
% of portfolio
0.1%
Est. average buy price (i)
$65.94
est. since Q1 2021
Quarter-end price
$60.37

Estimated trade prices

Average price in quarters with purchases
$64.81
Average prices in quarters with sales
  • Q2 2025: $63.00 (95K shares sold)
  • Q3 2024: $75.80 (9K shares sold)
  • Q1 2023: $51.55 (25K shares sold)
  • Q4 2022: $48.19 (2K shares sold)
  • Q2 2022: $52.89 (92K shares sold)
  • Q3 2021: $59.31 (42K shares sold)
  • Q2 2021: $61.65 (44K shares sold)

MAS price vs Greenblatt's position

1Y 3Y 5Y MAX
Dates
$40$60$80$10020222023202420252026Sold 42K shares (65.7%) · Q3 2021. Average closing price $59.31 · Price range $55.05–$62.9342KsharessoldAdded 58K shares (268.1%) · Q4 2021. Average closing price $64.68 · Price range $55.87–$70.2358KsharespurchasedAdded 53K shares (66.6%) · Q1 2022. Average closing price $59.44 · Price range $51.00–$70.2153KsharespurchasedSold 92K shares (68.9%) · Q2 2022. Average closing price $52.89 · Price range $47.26–$57.8492KsharessoldAdded 89K shares (214.7%) · Q3 2022. Average closing price $52.05 · Price range $45.60–$56.3189KsharespurchasedSold 2K shares (1.9%) · Q4 2022. Average closing price $48.19 · Price range $42.91–$51.762KsharessoldSold 25K shares (19.6%) · Q1 2023. Average closing price $51.55 · Price range $47.42–$56.6925KsharessoldAdded 7K shares (6.9%) · Q2 2023. Average closing price $52.34 · Price range $47.04–$57.387KsharespurchasedAdded 26K shares (23.5%) · Q3 2023. Average closing price $57.63 · Price range $52.63–$62.0126KsharespurchasedAdded 48K shares (35.3%) · Q4 2023. Average closing price $58.08 · Price range $48.33–$69.3248KsharespurchasedAdded 35K shares (18.8%) · Q1 2024. Average closing price $72.04 · Price range $64.23–$78.8835KsharespurchasedAdded 80K shares (36.7%) · Q2 2024. Average closing price $70.50 · Price range $65.48–$77.9080KsharespurchasedSold 9K shares (3.0%) · Q3 2024. Average closing price $75.80 · Price range $64.70–$83.949KsharessoldAdded 12K shares (4.3%) · Q4 2024. Average closing price $80.01 · Price range $72.52–$85.7112KsharespurchasedAdded 47K shares (15.5%) · Q1 2025. Average closing price $74.84 · Price range $68.67–$81.8547KsharespurchasedSold 95K shares (27.1%) · Q2 2025. Average closing price $63.00 · Price range $58.73–$71.0695KsharessoldAdded 96K shares (37.6%) · Q3 2025. Average closing price $70.38 · Price range $64.44–$76.0796KsharespurchasedAdded 47K shares (13.5%) · Q4 2025. Average closing price $64.91 · Price range $59.09–$71.0047KsharespurchasedAdded 45K shares (11.3%) · Q1 2026. Average closing price $67.59 · Price range $58.84–$78.8245Ksharespurchased← Earlier —1 sell
Average closing price · filing quarter
$67.59
Price range · filing quarter
$58.84 – $78.82
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +45K +$3.0M +11.3% 443K May 15, 2026
Q4 2025 Added +47K +$3.1M +13.5% 397K Feb 17, 2026
Q3 2025 Added +96K +$6.7M +37.6% 350K Nov 14, 2025
Q2 2025 Reduced −95K −$6.0M −27.1% 255K Aug 14, 2025
Q1 2025 Added +47K +$3.5M +15.5% 349K May 15, 2025
Q4 2024 Added +12K +$990K +4.3% 302K Feb 14, 2025
Q3 2024 Reduced −9K −$685K −3.0% 290K Nov 14, 2024
Q2 2024 Added +80K +$5.7M +36.7% 299K Aug 14, 2024
Q1 2024 Added +35K +$2.5M +18.8% 219K May 15, 2024
Q4 2023 Added +48K +$2.8M +35.3% 184K Feb 14, 2024
Q3 2023 Added +26K +$1.5M +23.5% 136K Nov 14, 2023
Q2 2023 Added +7K +$374K +6.9% 110K Aug 14, 2023
Q1 2023 Reduced −25K −$1.3M −19.6% 103K May 15, 2023
Q4 2022 Reduced −2K −$120K −1.9% 128K Feb 14, 2023
Q3 2022 Added +89K +$4.6M +214.7% 131K Nov 14, 2022
Q2 2022 Reduced −92K −$4.9M −68.9% 41K Aug 15, 2022
Q1 2022 Added +53K +$3.2M +66.6% 133K May 16, 2022
Q4 2021 Added +58K +$3.8M +268.1% 80K Feb 14, 2022
Q3 2021 Reduced −42K −$2.5M −65.7% 22K Nov 15, 2021
Q2 2021 Reduced −44K −$2.7M −41.0% 63K Aug 16, 2021
Q1 2021 First covered – – – 108K May 17, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 quarters

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Common questions

Does Joel Greenblatt own MAS?

Yes. As of Q1 2026, Joel Greenblatt disclosed 443K shares of MAS, worth $27M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy MAS?

Joel Greenblatt held MAS since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Joel Greenblatt sell MAS?

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

How many shares of MAS does Joel Greenblatt own?

Joel Greenblatt disclosed 443K shares of MAS 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 MAS?

Joel Greenblatt began building the MAS 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.