Renaissance Technologies (RenTech)'s MRX Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 80,520 shares of Marex Group plc (MRX) worth $3.59 M, representing 0.01% of the portfolio. First purchased in 2024-Q3, this short-term holding has been held for 7 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained this position in MRX for several quarters, showing initial confidence in the investment. Largest addition occurred in Q2 2025, adding 243,462 shares. Largest reduction occurred in Q4 2025, reducing 294,100 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Marex Group plc (MRX) Holding Value Over Time
Track share changes against reported price movement
Quarterly Marex Group plc (MRX) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -140,267 | Reduce 63.53% | 80,520 | $44.58 |
| Q4 2025 | -294,100 | Reduce 57.12% | 220,787 | $38.36 |
| Q3 2025 | +93,800 | Add 22.28% | 514,887 | $33.62 |
| Q2 2025 | +243,462 | Add 137.07% | 421,087 | $39.47 |
| Q1 2025 | +45,300 | Add 34.23% | 177,625 | $35.32 |
| Q4 2024 | -9,275 | Reduce 6.55% | 132,325 | $31.17 |
| Q3 2024 | +141,600 | New Buy | 141,600 | $23.62 |
Renaissance Technologies (RenTech)'s Marex Group plc Investment FAQs
Renaissance Technologies (RenTech) first purchased Marex Group plc (MRX) in Q3 2024, acquiring 141,600 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held Marex Group plc (MRX) for 7 quarters since Q3 2024.
Renaissance Technologies (RenTech)'s largest addition to Marex Group plc (MRX) was in Q2 2025, adding 421,087 shares worth $16.62 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 80,520 shares of Marex Group plc (MRX), valued at approximately $3.59 M.
As of the Q1 2026 filing, Marex Group plc (MRX) represents approximately 0.01% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Marex Group plc (MRX) was 514,887 shares, as reported at the end of Q3 2025.