Paul Tudor Jones's MKTX Position Overview
Paul Tudor Jones (via Tudor Investment Corp Et Al) currently holds 129,758 shares of MarketAxess Holdings Inc. (MKTX) worth $22.61 M, representing 0.04% of the portfolio. First purchased in 2015-Q4, this long-term strategic position has been held for 23 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 2025, adding 93,154 shares. Largest reduction occurred in Q4 2023, reducing 46,925 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 |
|---|---|---|---|---|
| Q4 2015 | +4,500 | New Buy | 4,500 | $111.56 |
| Q1 2016 | -4,500 | Sold Out | 0 | $0.00 |
| Q2 2016 | +4,400 | New Buy | 4,400 | $145.45 |
| Q3 2016 | -965 | Reduce 21.93% | 3,435 | $165.65 |
| Q4 2016 | +36 | Add 1.05% | 3,471 | $146.93 |
| Q1 2017 | -710 | Reduce 20.46% | 2,761 | $187.61 |
| Q2 2017 | -2,761 | Sold Out | 0 | $0.00 |
| Q3 2017 | +1,662 | New Buy | 1,662 | $184.72 |
| Q4 2017 | -1,662 | Sold Out | 0 | $0.00 |
| Q4 2018 | +2,144 | New Buy | 2,144 | $211.29 |
| Q1 2019 | -2,144 | Sold Out | 0 | $0.00 |
| Q4 2019 | +1,710 | New Buy | 1,710 | $378.95 |
| Q1 2020 | -1,710 | Sold Out | 0 | $0.00 |
| Q4 2021 | +985 | New Buy | 985 | $411.17 |
| Q1 2022 | +8,001 | Add 812.28% | 8,986 | $340.20 |
| Q2 2022 | +5,487 | Add 61.06% | 14,473 | $255.99 |
| Q3 2022 | +7,409 | Add 51.19% | 21,882 | $222.51 |
| Q4 2022 | -21,882 | Sold Out | 0 | $0.00 |
| Q2 2023 | +8,757 | New Buy | 8,757 | $261.42 |
| Q3 2023 | +38,168 | Add 435.86% | 46,925 | $213.64 |
| Q4 2023 | -46,925 | Sold Out | 0 | $0.00 |
| Q2 2025 | +93,154 | New Buy | 93,154 | $223.34 |
| Q3 2025 | +36,604 | Add 39.29% | 129,758 | $174.25 |
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 23 quarters since Q4 2015.
Paul Tudor Jones's largest addition to MarketAxess Holdings Inc. (MKTX) was in Q2 2025, adding 93,154 shares worth $20.81 M.
According to the latest 13F filing for Q3 2025, Paul Tudor Jones's firm, Tudor Investment Corp Et Al, owns 129,758 shares of MarketAxess Holdings Inc. (MKTX), valued at approximately $22.61 M.
As of the Q3 2025 filing, MarketAxess Holdings Inc. (MKTX) represents approximately 0.04% 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 129,758 shares, as reported at the end of Q3 2025.