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Joel Greenblatt's MarketAxess Holdings Inc. (MKTX) position

Yes: as of Q1 2026, Joel Greenblatt holds 60K shares of MKTX worth $9.9M (0.0% of the disclosed portfolio). Last quarter the position was increased by 109.6%. First disclosed Q4 2021.
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Current value
$9.9M
Shares held
60K
% of portfolio
0.0%
Est. average buy price (i)
$184.57
Quarter-end price
$164.98

Estimated trade prices

Average price in quarters with purchases
$195.74
Average prices in quarters with sales
  • Q2 2024: $206.20 (2K shares sold)
  • Q1 2024: $236.24 (2K shares sold)
  • Q3 2023: $242.37 (413 shares sold)
  • Q2 2023: $298.32 (664 shares sold)

MKTX price vs Greenblatt's position

1Y 3Y 5Y MAX
Dates
$100$200$400$60020222023202420252026New position of 1K shares · Q4 2021. Average closing price $394.45 · Price range $343.73–$431.531KsharespurchasedNew position of 2K shares · Q2 2022. Average closing price $273.48 · Price range $250.18–$345.512KsharespurchasedNew position of 3K shares · Q4 2022. Average closing price $257.38 · Price range $228.87–$289.443KsharespurchasedAdded 83 shares (2.8%) · Q1 2023. Average closing price $354.10 · Price range $284.87–$391.2983sharespurchasedSold 664 shares (21.8%) · Q2 2023. Average closing price $298.32 · Price range $257.89–$392.29664sharessoldSold 413 shares (17.4%) · Q3 2023. Average closing price $242.37 · Price range $201.78–$274.38413sharessoldAdded 3K shares (158.1%) · Q4 2023. Average closing price $241.84 · Price range $204.76–$296.423KsharespurchasedSold 2K shares (30.4%) · Q1 2024. Average closing price $236.24 · Price range $207.77–$286.452KsharessoldSold 2K shares (67.3%) · Q2 2024. Average closing price $206.20 · Price range $194.05–$226.502KsharessoldNew position of 1K shares · Q4 2024. Average closing price $263.23 · Price range $225.30–$293.611KsharespurchasedAdded 441 shares (40.9%) · Q1 2025. Average closing price $210.05 · Price range $189.81–$226.47441sharespurchasedAdded 12K shares (769.3%) · Q2 2025. Average closing price $219.79 · Price range $203.19–$231.0912KsharespurchasedAdded 118 shares (0.9%) · Q3 2025. Average closing price $195.81 · Price range $174.25–$223.11118sharespurchasedAdded 15K shares (115.4%) · Q4 2025. Average closing price $170.65 · Price range $158.85–$183.8515KsharespurchasedAdded 31K shares (109.6%) · Q1 2026. Average closing price $175.20 · Price range $160.28–$193.6131Ksharespurchased
Average closing price · filing quarter
$175.20
Price range · filing quarter
$160.28 – $193.61
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +31K +$5.5M +109.6% 60K May 15, 2026
Q4 2025 Added +15K +$2.6M +115.4% 29K Feb 17, 2026
Q3 2025 Added +118 +$23K +0.9% 13K Nov 14, 2025
Q2 2025 Added +12K +$2.6M +769.3% 13K Aug 14, 2025
Q1 2025 Added +441 +$93K +40.9% 2K May 15, 2025
Q4 2024 New +1K +$284K – 1K Feb 14, 2025
Q2 2024 Reduced −2K −$490K −67.3% 1K Aug 14, 2024
Q1 2024 Reduced −2K −$364K −30.4% 4K May 15, 2024
Q4 2023 Added +3K +$752K +158.1% 5K Feb 14, 2024
Q3 2023 Reduced −413 −$100K −17.4% 2K Nov 14, 2023
Q2 2023 Reduced −664 −$198K −21.8% 2K Aug 14, 2023
Q1 2023 Added +83 +$29K +2.8% 3K May 15, 2023
Q4 2022 New +3K +$762K – 3K Feb 14, 2023
Q2 2022 New +2K +$438K – 2K Aug 15, 2022
Q4 2021 New +1K +$415K – 1K Feb 14, 2022
Data through Q1 2026 · filed May 15, 2026
15 grouped rows from 15 quarters

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Common questions

Does Joel Greenblatt own MKTX?

Yes. As of Q1 2026, Joel Greenblatt disclosed 60K shares of MKTX, worth $9.9M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy MKTX?

Joel Greenblatt first disclosed a MKTX position in Q4 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 MKTX?

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

How many shares of MKTX does Joel Greenblatt own?

Joel Greenblatt disclosed 60K shares of MKTX 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 MKTX?

Joel Greenblatt's estimated average buy price for MKTX is $184.57, 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.