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Joel Greenblatt's Quest Diagnostics Incorporated (DGX) position

Yes: as of Q1 2026, Joel Greenblatt holds 131K shares of DGX worth $26M (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
$26M
Shares held
131K
% of portfolio
0.1%
Est. average buy price (i)
$183.07
Quarter-end price
$195.92

Estimated trade prices

Average price in quarters with purchases
$171.76
Average prices in quarters with sales
  • Q4 2024: $155.53 (525 shares sold)
  • Q3 2024: $149.34 (5K shares sold)
  • Q2 2024: $136.94 (11K shares sold)
  • Q1 2023: $143.07 (22K shares sold)
  • Q3 2022: $131.69 (8K shares sold)
  • Q2 2022: $136.26 (4K shares sold)
  • Q4 2021: $152.16 (10K shares sold)
  • Q2 2021: $130.93 (8K shares sold)

DGX price vs Greenblatt's position

1Y 3Y 5Y MAX
Dates
$100$150$200$25020222023202420252026Added 16K shares (88.1%) · Q3 2021. Average closing price $146.32 · Price range $132.95–$158.0016KsharespurchasedSold 10K shares (29.6%) · Q4 2021. Average closing price $152.16 · Price range $140.36–$173.0110KsharessoldAdded 9K shares (37.0%) · Q1 2022. Average closing price $139.38 · Price range $129.09–$164.359KsharespurchasedSold 4K shares (11.1%) · Q2 2022. Average closing price $136.26 · Price range $127.07–$145.394KsharessoldSold 8K shares (28.7%) · Q3 2022. Average closing price $131.69 · Price range $121.77–$141.108KsharessoldAdded 3K shares (14.9%) · Q4 2022. Average closing price $143.70 · Price range $123.31–$157.283KsharespurchasedSold 22K shares (91.6%) · Q1 2023. Average closing price $143.07 · Price range $131.53–$155.7722KsharessoldNew position of 18K shares · Q1 2024. Average closing price $129.75 · Price range $123.78–$142.1118KsharespurchasedSold 11K shares (62.9%) · Q2 2024. Average closing price $136.94 · Price range $125.91–$144.3411KsharessoldSold 5K shares (72.3%) · Q3 2024. Average closing price $149.34 · Price range $136.64–$156.975KsharessoldSold 525 shares (28.1%) · Q4 2024. Average closing price $155.53 · Price range $146.90–$163.89525sharessoldAdded 8K shares (592.3%) · Q1 2025. Average closing price $164.28 · Price range $150.33–$176.958KsharespurchasedAdded 21K shares (221.1%) · Q2 2025. Average closing price $173.69 · Price range $159.80–$182.0721KsharespurchasedAdded 25K shares (83.5%) · Q3 2025. Average closing price $177.47 · Price range $166.42–$190.5825KsharespurchasedAdded 25K shares (45.2%) · Q4 2025. Average closing price $182.09 · Price range $173.53–$192.3525KsharespurchasedAdded 51K shares (64.7%) · Q1 2026. Average closing price $194.29 · Price range $173.49–$211.9151Ksharespurchased← Earlier —1 sell
Average closing price · filing quarter
$194.29
Price range · filing quarter
$173.49 – $211.91
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +51K +$10.0M +64.7% 131K May 15, 2026
Q4 2025 Added +25K +$4.5M +45.2% 79K Feb 17, 2026
Q3 2025 Added +25K +$4.4M +83.5% 55K Nov 14, 2025
Q2 2025 Added +21K +$3.6M +221.1% 30K Aug 14, 2025
Q1 2025 Added +8K +$1.3M +592.3% 9K May 15, 2025
Q4 2024 Reduced −525 −$82K −28.1% 1K Feb 14, 2025
Q3 2024 Reduced −5K −$729K −72.3% 2K Nov 14, 2024
Q2 2024 Reduced −11K −$1.6M −62.9% 7K Aug 14, 2024
Q1 2024 New +18K +$2.4M – 18K May 15, 2024
Q1 2023 Reduced −22K −$3.1M −91.6% 2K May 15, 2023
Q4 2022 Added +3K +$442K +14.9% 24K Feb 14, 2023
Q3 2022 Reduced −8K −$1.1M −28.7% 21K Nov 14, 2022
Q2 2022 Reduced −4K −$494K −11.1% 29K Aug 15, 2022
Q1 2022 Added +9K +$1.2M +37.0% 33K May 16, 2022
Q4 2021 Reduced −10K −$1.5M −29.6% 24K Feb 14, 2022
Q3 2021 Added +16K +$2.3M +88.1% 34K Nov 15, 2021
Q2 2021 Reduced −8K −$1.1M −31.2% 18K Aug 16, 2021
Q1 2021 First covered – – – 26K May 17, 2021
Data through Q1 2026 · filed May 15, 2026
18 grouped rows from 18 quarters

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Common questions

Does Joel Greenblatt own DGX?

Yes. As of Q1 2026, Joel Greenblatt disclosed 131K shares of DGX, worth $26M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy DGX?

Joel Greenblatt held DGX 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 DGX?

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

How many shares of DGX does Joel Greenblatt own?

Joel Greenblatt disclosed 131K shares of DGX 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 DGX?

Joel Greenblatt's estimated average buy price for DGX is $183.07, 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.