George Soros's MKTX Position Overview
George Soros (via Soros Fund Management LLC) currently holds 488,804 shares of MarketAxess Holdings Inc. (MKTX) worth $80.12 M, representing 0.94% of the portfolio. First purchased in 2017-Q4, this short-term holding has been held for 3 quarters.
Based on 13F filings, George Soros has maintained this position in MKTX for several quarters, showing initial confidence in the investment. Largest addition occurred in Q3 2026, adding 488,804 shares. Largest reduction occurred in Q1 2018, reducing 3,200 shares.
Analysis based on 13F filings available since 2013 Q2
George Soros's MarketAxess Holdings (MKTX) Holding Value Over Time
Track share changes against reported price movement
Quarterly MarketAxess Holdings (MKTX) Trades by George Soros
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q3 2026 | +488,804 | New Buy | 488,804 | $163.92 |
| Q1 2018 | -3,200 | Sold Out | 0 | $0.00 |
| Q4 2017 | +3,200 | New Buy | 3,200 | $201.88 |
George Soros's MarketAxess Holdings Investment FAQs
George Soros first purchased MarketAxess Holdings Inc. (MKTX) in Q4 2017, acquiring 3,200 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
George Soros has held MarketAxess Holdings Inc. (MKTX) for 3 quarters since Q4 2017.
George Soros's largest addition to MarketAxess Holdings Inc. (MKTX) was in Q3 2026, adding 488,804 shares worth $80.12 M.
According to the latest 13F filing for Q3 2026, George Soros's firm, Soros Fund Management LLC, owns 488,804 shares of MarketAxess Holdings Inc. (MKTX), valued at approximately $80.12 M.
As of the Q3 2026 filing, MarketAxess Holdings Inc. (MKTX) represents approximately 0.94% of George Soros's publicly disclosed stock portfolio, making it one of their key holdings.
George Soros's peak holding in MarketAxess Holdings Inc. (MKTX) was 488,804 shares, as reported at the end of Q3 2026.