Paul Tudor Jones's MKTX Position Overview
Paul Tudor Jones (via Tudor Investment Corp Et Al) currently holds 137,847 shares of MarketAxess Holdings Inc. (MKTX) worth $15.64 M, representing 0.02% of the portfolio. First purchased in 2015-Q4, this long-term strategic position has been held for 26 quarters.
Based on 13F filings, Paul Tudor Jones has maintained a strategic position in MKTX, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2026, adding 137,847 shares. Largest reduction occurred in Q4 2025, reducing 106,169 shares.
Analysis based on 13F filings available since 2013 Q2
Paul Tudor Jones's MarketAxess Holdings (MKTX) Holding Value Over Time
Track share changes against reported price movement
Quarterly MarketAxess Holdings (MKTX) Trades by Paul Tudor Jones
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +137,847 | New Buy | 137,847 | $113.49 |
| Q1 2026 | -23,589 | Sold Out | 0 | $0.00 |
| Q4 2025 | -106,169 | Reduce 81.82% | 23,589 | $181.25 |
| Q3 2025 | +36,604 | Add 39.29% | 129,758 | $174.25 |
| Q2 2025 | +93,154 | New Buy | 93,154 | $223.34 |
| Q4 2023 | -46,925 | Sold Out | 0 | $0.00 |
| Q3 2023 | +38,168 | Add 435.86% | 46,925 | $213.64 |
| Q2 2023 | +8,757 | New Buy | 8,757 | $261.42 |
| Q4 2022 | -21,882 | Sold Out | 0 | $0.00 |
| Q3 2022 | +7,409 | Add 51.19% | 21,882 | $222.51 |
| Q2 2022 | +5,487 | Add 61.06% | 14,473 | $255.99 |
| Q1 2022 | +8,001 | Add 812.28% | 8,986 | $340.20 |
| Q4 2021 | +985 | New Buy | 985 | $411.17 |
| Q1 2020 | -1,710 | Sold Out | 0 | $0.00 |
| Q4 2019 | +1,710 | New Buy | 1,710 | $378.95 |
| Q1 2019 | -2,144 | Sold Out | 0 | $0.00 |
| Q4 2018 | +2,144 | New Buy | 2,144 | $211.29 |
| Q4 2017 | -1,662 | Sold Out | 0 | $0.00 |
| Q3 2017 | +1,662 | New Buy | 1,662 | $184.72 |
| Q2 2017 | -2,761 | Sold Out | 0 | $0.00 |
| Q1 2017 | -710 | Reduce 20.46% | 2,761 | $187.61 |
| Q4 2016 | +36 | Add 1.05% | 3,471 | $146.93 |
| Q3 2016 | -965 | Reduce 21.93% | 3,435 | $165.65 |
| Q2 2016 | +4,400 | New Buy | 4,400 | $145.45 |
| Q1 2016 | -4,500 | Sold Out | 0 | $0.00 |
| Q4 2015 | +4,500 | New Buy | 4,500 | $111.56 |
Paul Tudor Jones's MarketAxess Holdings Investment FAQs
Paul Tudor Jones first purchased MarketAxess Holdings Inc. (MKTX) in Q4 2015, acquiring 4,500 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Paul Tudor Jones has held MarketAxess Holdings Inc. (MKTX) for 26 quarters since Q4 2015.
Paul Tudor Jones's largest addition to MarketAxess Holdings Inc. (MKTX) was in Q2 2026, adding 137,847 shares worth $15.64 M.
According to the latest 13F filing for Q2 2026, Paul Tudor Jones's firm, Tudor Investment Corp Et Al, owns 137,847 shares of MarketAxess Holdings Inc. (MKTX), valued at approximately $15.64 M.
As of the Q2 2026 filing, MarketAxess Holdings Inc. (MKTX) represents approximately 0.02% of Paul Tudor Jones's publicly disclosed stock portfolio, making it one of their key holdings.
Paul Tudor Jones's peak holding in MarketAxess Holdings Inc. (MKTX) was 137,847 shares, as reported at the end of Q2 2026.