Is MRX a good stock to buy? We came across a bullish thesis on Marex Group plc on Outsized Returns’s Substack. In this article, we will summarize the bulls’ thesis on MRX. Marex Group plc’s share was trading at $50.92 as of April 20th. MRX’s trailing and forward P/E were 13.34 and 8.76 respectively according to Yahoo Finance.
Marex Group plc (MRX) is a diversified financial services platform often mischaracterized as a cyclical, rates-sensitive broker. The company operates four distinct revenue engines—Clearing, Agency & Execution, Market Making, and Hedging & Investment Solutions—anchored by a sticky clearing franchise that provides operational and regulatory infrastructure for clients across energy, commodities, and financial markets.
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In FY25, Marex delivered $2.02 billion in revenue, $418 million in adjusted PBT, and a ~28% ROE, demonstrating durable, broad-based growth despite a headline decline in group net interest income (NII) to $152.6 million.
The core insight is that the market is overweighting the NII drop while underappreciating the platform’s multi-engine model, where Clearing provides a high-margin, recurring foundation, Agency & Execution monetizes client relationships, and Market Making and Hedging add diversified optionality. Structural tailwinds include regulatory reforms funneling more derivatives into central clearing, creating barriers to entry and gradually shifting clearing away from investment banks, positioning Marex to capture durable volumes and balances.
Risks remain—funding cost pressures, client default, market volatility, and liquidity management—but these are embedded into the operating model with daily margining, collateral management, and $2.7 billion in available liquidity, providing resilience through stress periods. The stock trades around 9× FY25 earnings, reflecting the market’s misperception of the business as solely rate-driven.
If NII stabilizes and core engines continue compounding, Marex has significant rerating potential, with base-case IRR of 10–15% and upside optionality of 18–25%+ through a combination of EPS growth, multiple expansion, and structural optionality. Marex represents a high-quality, multi-layered platform available at a discount to intrinsic value, offering a compelling risk/reward setup for investors seeking durable financial infrastructure exposure.
Previously, we covered a bullish thesis on Marex Group plc (MRX) by Karst Research in May 2025, highlighting its multi-engine platform, growth across Clearing, Agency & Execution, Market Making, and Hedging, and resilience amid interest-rate shifts. MRX’s stock price has appreciated by approximately 11.54% since our coverage. Outsized Returns shares a similar view but emphasizes mispricing as a rates-sensitive broker and rerating potential.
Marex Group plc is not on our list of the 40 Most Popular Stocks Among Hedge Funds. As per our database, 32 hedge fund portfolios held MRX at the end of the fourth quarter which was 34 in the previous quarter. While we acknowledge the risk and potential of MRX as an investment, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and doing so within a shorter time frame. If you are looking for an AI stock that is more promising than MRX and that has 10,000% upside potential, check out our report about this cheapest AI stock.
Disclosure: None.
