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Joel Greenblatt's Costco Wholesale Corporation (COST) position

Yes: as of Q1 2026, Joel Greenblatt holds 17K shares of COST worth $17M (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
$17M
Shares held
17K
% of portfolio
0.1%
Est. average buy price (i)
$735.36
est. since Q1 2021
Quarter-end price
$996.43

Estimated trade prices

Average price in quarters with purchases
$659.40
Average prices in quarters with sales
  • Q1 2026: $974.11 (3K shares sold)
  • Q3 2025: $958.55 (310 shares sold)
  • Q4 2024: $927.88 (1K shares sold)
  • Q2 2024: $780.33 (832 shares sold)
  • Q4 2023: $592.69 (2K shares sold)
  • Q2 2023: $505.99 (5K shares sold)
  • Q1 2023: $490.45 (2K shares sold)
  • Q3 2022: $520.14 (1K shares sold)
  • Q2 2021: $378.14 (5K shares sold)

COST price vs Greenblatt's position

1Y 3Y 5Y MAX
Dates
$400$1,000$1,50020222023202420252026Added 3K shares (195.4%) · Q3 2021. Average closing price $439.60 · Price range $394.53–$467.753KsharespurchasedAdded 690 shares (14.0%) · Q4 2021. Average closing price $512.18 · Price range $440.14–$567.77690sharespurchasedAdded 5K shares (92.8%) · Q1 2022. Average closing price $524.80 · Price range $477.32–$576.475KsharespurchasedAdded 3K shares (26.6%) · Q2 2022. Average closing price $507.29 · Price range $416.43–$608.053KsharespurchasedSold 1K shares (10.3%) · Q3 2022. Average closing price $520.14 · Price range $466.40–$560.961KsharessoldAdded 3K shares (22.0%) · Q4 2022. Average closing price $488.67 · Price range $452.99–$539.253KsharespurchasedSold 2K shares (13.7%) · Q1 2023. Average closing price $490.45 · Price range $450.19–$523.432KsharessoldSold 5K shares (40.4%) · Q2 2023. Average closing price $505.99 · Price range $482.76–$538.385KsharessoldAdded 5K shares (71.2%) · Q3 2023. Average closing price $551.97 · Price range $525.05–$568.635KsharespurchasedSold 2K shares (11.8%) · Q4 2023. Average closing price $592.69 · Price range $543.03–$681.242KsharessoldAdded 511 shares (4.4%) · Q1 2024. Average closing price $713.88 · Price range $644.69–$785.59511sharespurchasedSold 832 shares (6.8%) · Q2 2024. Average closing price $780.33 · Price range $704.88–$870.75832sharessoldAdded 437 shares (3.9%) · Q3 2024. Average closing price $867.90 · Price range $801.83–$917.08437sharespurchasedSold 1K shares (9.7%) · Q4 2024. Average closing price $927.88 · Price range $873.59–$994.691KsharessoldAdded 820 shares (7.7%) · Q1 2025. Average closing price $974.97 · Price range $890.62–$1,076.86820sharespurchasedAdded 5K shares (43.0%) · Q2 2025. Average closing price $993.87 · Price range $908.13–$1,056.855KsharespurchasedSold 310 shares (1.9%) · Q3 2025. Average closing price $958.55 · Price range $915.95–$994.57310sharessoldAdded 4K shares (24.9%) · Q4 2025. Average closing price $906.02 · Price range $849.38–$961.444KsharespurchasedSold 3K shares (13.4%) · Q1 2026. Average closing price $974.11 · Price range $854.50–$1,018.483Ksharessold← Earlier —1 sell
Average closing price · filing quarter
$974.11
Price range · filing quarter
$854.50 – $1,018.48
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −3K −$2.6M −13.4% 17K May 15, 2026
Q4 2025 Added +4K +$3.6M +24.9% 20K Feb 17, 2026
Q3 2025 Reduced −310 −$297K −1.9% 16K Nov 14, 2025
Q2 2025 Added +5K +$4.9M +43.0% 16K Aug 14, 2025
Q1 2025 Added +820 +$799K +7.7% 11K May 15, 2025
Q4 2024 Reduced −1K −$1.1M −9.7% 11K Feb 14, 2025
Q3 2024 Added +437 +$379K +3.9% 12K Nov 14, 2024
Q2 2024 Reduced −832 −$649K −6.8% 11K Aug 14, 2024
Q1 2024 Added +511 +$365K +4.4% 12K May 15, 2024
Q4 2023 Reduced −2K −$928K −11.8% 12K Feb 14, 2024
Q3 2023 Added +5K +$3.0M +71.2% 13K Nov 14, 2023
Q2 2023 Reduced −5K −$2.6M −40.4% 8K Aug 14, 2023
Q1 2023 Reduced −2K −$1.0M −13.7% 13K May 15, 2023
Q4 2022 Added +3K +$1.3M +22.0% 15K Feb 14, 2023
Q3 2022 Reduced −1K −$731K −10.3% 12K Nov 14, 2022
Q2 2022 Added +3K +$1.5M +26.6% 14K Aug 15, 2022
Q1 2022 Added +5K +$2.7M +92.8% 11K May 16, 2022
Q4 2021 Added +690 +$353K +14.0% 6K Feb 14, 2022
Q3 2021 Added +3K +$1.4M +195.4% 5K Nov 15, 2021
Q2 2021 Reduced −5K −$1.9M −74.6% 2K Aug 16, 2021
Q1 2021 First covered – – – 7K 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 COST?

Yes. As of Q1 2026, Joel Greenblatt disclosed 17K shares of COST, worth $17M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy COST?

Joel Greenblatt held COST 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 COST?

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

How many shares of COST does Joel Greenblatt own?

Joel Greenblatt disclosed 17K shares of COST 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 COST?

Joel Greenblatt began building the COST 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.