Marex Group plc (MRX) Institutional Ownership Tracker (Q2 2026)

MRX ranks #2794 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

MRX is a top-conviction position for Praetorian PR LLC — at 9.7% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

The largest dollar stake in MRX belongs to FMR LLC, but the position matters far more to Praetorian PR LLC, who has 9.7% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.

Fidelity has added to its MRX position for two straight quarters, increasing it by $276.0M to reach $327.2M today.

Balyasny Asset Management L.p. has trimmed its MRX position for two straight quarters, cutting it by $49.4M while still holding $4.2M.

MRX is down 0.5% today, but institutions show net buying of $574.5M this quarter — a divergence between today's price move and the underlying institutional flow.

MRX closed its latest fiscal year with net income of $307.7M.

• Profitable — net income of $307.7M in the latest fiscal year
• Revenue grew 26.9% year over year
• Net income improved year over year, from $218.0M to $307.7M
• Generated $667.5M in positive operating cash flow
• Current ratio of 1.09x — below the conventional 1.5x liquidity buffer
• Liabilities run 26.44x equity — a highly leveraged balance sheet worth noting