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Joel Greenblatt's Waste Management, Inc. (WM) position

Yes: as of Q1 2026, Joel Greenblatt holds 37K shares of WM worth $8.5M (0.0% of the disclosed portfolio). Last quarter the position was reduced by 4.4%. First disclosed Q3 2021.
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Current value
$8.5M
Shares held
37K
% of portfolio
0.0%
Est. average buy price (i)
$218.49
Quarter-end price
$229.79

Estimated trade prices

Average price in quarters with purchases
$184.71
Average prices in quarters with sales
  • Q1 2026: $229.67 (2K shares sold)
  • Q2 2024: $207.87 (4K shares sold)
  • Q3 2023: $161.81 (87 shares sold)
  • Q2 2023: $165.32 (4K shares sold)
  • Q1 2023: $153.16 (23K shares sold)
  • Q4 2022: $160.91 (7K shares sold)
  • Q3 2022: $165.07 (7K shares sold)

WM price vs Greenblatt's position

Dates
$100$150$200$25020222023202420252026New position of 11K shares · Q3 2021. Average closing price $149.65 · Price range $141.17–$155.8511KsharespurchasedAdded 1K shares (10.7%) · Q4 2021. Average closing price $160.79 · Price range $148.83–$166.901KsharespurchasedAdded 19K shares (151.6%) · Q1 2022. Average closing price $151.60 · Price range $140.60–$164.3019KsharespurchasedAdded 11K shares (36.5%) · Q2 2022. Average closing price $156.63 · Price range $140.65–$169.6511KsharespurchasedSold 7K shares (15.6%) · Q3 2022. Average closing price $165.07 · Price range $149.27–$175.297KsharessoldSold 7K shares (19.9%) · Q4 2022. Average closing price $160.91 · Price range $154.35–$169.817KsharessoldSold 23K shares (80.7%) · Q1 2023. Average closing price $153.16 · Price range $148.83–$163.1723KsharessoldSold 4K shares (65.7%) · Q2 2023. Average closing price $165.32 · Price range $161.28–$173.424KsharessoldSold 87 shares (4.6%) · Q3 2023. Average closing price $161.81 · Price range $152.44–$172.4187sharessoldAdded 1K shares (56.1%) · Q4 2023. Average closing price $167.68 · Price range $151.21–$179.101KsharespurchasedAdded 4K shares (132.9%) · Q1 2024. Average closing price $196.52 · Price range $177.77–$213.974KsharespurchasedSold 4K shares (66.5%) · Q2 2024. Average closing price $207.87 · Price range $200.55–$213.344KsharessoldAdded 409 shares (18.7%) · Q3 2024. Average closing price $208.63 · Price range $196.96–$223.45409sharespurchasedAdded 2K shares (72.6%) · Q4 2024. Average closing price $214.79 · Price range $201.79–$228.462KsharespurchasedAdded 800 shares (17.9%) · Q1 2025. Average closing price $221.47 · Price range $200.54–$233.78800sharespurchasedAdded 3K shares (63.9%) · Q2 2025. Average closing price $231.97 · Price range $216.47–$242.103KsharespurchasedAdded 17K shares (196.3%) · Q3 2025. Average closing price $225.39 · Price range $213.88–$235.7517KsharespurchasedAdded 13K shares (50.9%) · Q4 2025. Average closing price $213.15 · Price range $196.77–$222.2913KsharespurchasedSold 2K shares (4.4%) · Q1 2026. Average closing price $229.67 · Price range $216.16–$246.512Ksharessold
Average closing price · filing quarter
$229.67
Price range · filing quarter
$216.16 – $246.51

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −2K −$387K −4.4% 37K May 15, 2026
Q4 2025 Added +13K +$2.8M +50.9% 39K Feb 17, 2026
Q3 2025 Added +17K +$3.8M +196.3% 26K Nov 14, 2025
Q2 2025 Added +3K +$782K +63.9% 9K Aug 14, 2025
Q1 2025 Added +800 +$177K +17.9% 5K May 15, 2025
Q4 2024 Added +2K +$405K +72.6% 4K Feb 14, 2025
Q3 2024 Added +409 +$85K +18.7% 3K Nov 14, 2024
Q2 2024 Reduced −4K −$902K −66.5% 2K Aug 14, 2024
Q1 2024 Added +4K +$732K +132.9% 7K May 15, 2024
Q4 2023 Added +1K +$169K +56.1% 3K Feb 14, 2024
Q3 2023 Reduced −87 −$14K −4.6% 2K Nov 14, 2023
Q2 2023 Reduced −4K −$596K −65.7% 2K Aug 14, 2023
Q1 2023 Reduced −23K −$3.5M −80.7% 5K May 15, 2023
Q4 2022 Reduced −7K −$1.1M −19.9% 28K Feb 14, 2023
Q3 2022 Reduced −7K −$1.1M −15.6% 35K Nov 14, 2022
Q2 2022 Added +11K +$1.8M +36.5% 42K Aug 15, 2022
Q1 2022 Added +19K +$2.8M +151.6% 31K May 16, 2022
Q4 2021 Added +1K +$190K +10.7% 12K Feb 14, 2022
Q3 2021 New +11K +$1.7M 11K Nov 15, 2021
Data through Q1 2026 · filed May 15, 2026
19 grouped rows from 19 quarters

Who else owns WM

Gates Foundation Trust

View investor →
owns 6.9% of shares outstanding
Est. $6.4B · Shares: 27.6M

Capital Research Global Investors

owns 2.2% of shares outstanding
Est. $2.0B · Shares: 8.7M

Ameriprise Financial Inc

owns 1.9% of shares outstanding
Est. $1.7B · Shares: 7.4M

Morgan Stanley

owns 1.8% of shares outstanding
Est. $1.6B · Shares: 7.1M

See all owners of WM →

More Greenblatt positions

Common questions

Does Joel Greenblatt own WM?

Yes. As of Q1 2026, Joel Greenblatt disclosed 37K shares of WM, worth $8.5M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy WM?

Joel Greenblatt first disclosed a WM 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 WM?

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

How many shares of WM does Joel Greenblatt own?

Joel Greenblatt disclosed 37K shares of WM 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 WM?

Joel Greenblatt's estimated average buy price for WM is $218.49, from quarter-average prices weighted by the shares added each quarter. 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.