Stock Analysis

Marsh McLennan (MMC): Exploring Valuation Following Recent Share Price Decline

Marsh & McLennan Companies (MMC) stock saw a modest move in recent trading, and investors are weighing how its performance fits into longer-term trends. Shares are down about 13% over the past month, even though company fundamentals have remained steady.

See our latest analysis for Marsh & McLennan Companies.

Despite the recent slump, Marsh & McLennan’s 1-year total shareholder return of -18.8% stands in sharp contrast to the company’s impressive 71% five-year total return. Short-term momentum continues to fade as investors reassess risk and valuation. After this run, the latest share price sits at $180.05, reflecting cautious sentiment even as the underlying business remains steady.

If you’re looking to broaden your investing perspective beyond insurance, now's a fitting moment to see what’s trending among fast growing stocks with high insider ownership.

With shares now trading nearly 19% below analyst price targets and more than 30% below some intrinsic value estimates, investors must ask whether today’s weakness reveals a true buying opportunity or if the market has already priced in growth for the future.

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Most Popular Narrative: 16% Undervalued

With Marsh & McLennan Companies last closing at $180.05, the most widely followed narrative points to a fair value that is meaningfully higher. This storyline relies on specific business catalysts and forward-looking assumptions that could drive a re-rating, setting the stage for a pivotal outlook.

Strategic investments in digital transformation, advanced analytics, and AI (such as proprietary data tools for risk modeling and agentic interfaces) are expected to enhance operational efficiency and improve product and service offerings. These developments could enable margin expansion and net earnings growth through improved client retention and lower cost to serve.

Read the complete narrative.

Want to see what’s sparking this sharp valuation gap? The full narrative hints at a transformative digital shift and bold assumptions about future profitability. Could an ambitious margin target and new revenue streams be the secret sauce? Do not miss the inside story that recalibrates expectations for this insurance giant.

Result: Fair Value of $214.26 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, a persistent decline in insurance pricing or faltering returns from large acquisitions could quickly challenge this undervaluation thesis and shift sentiment.

Find out about the key risks to this Marsh & McLennan Companies narrative.

Another View: Are Multiples Sending a Different Signal?

While the narrative-driven fair value points to MMC being undervalued, traditional price-to-earnings ratios paint a riskier picture. At 21.4x, MMC trades significantly above the US Insurance industry average of 13.2x, as well as the fair ratio of 15.3x. This gap means the stock is priced for higher growth or quality. What happens if the market narrows that premium?

See what the numbers say about this price — find out in our valuation breakdown.

NYSE:MMC PE Ratio as at Nov 2025
NYSE:MMC PE Ratio as at Nov 2025

Build Your Own Marsh & McLennan Companies Narrative

If you see the numbers differently or want to craft your own outlook, you can create a personalized Marsh & McLennan story with just a few clicks. Do it your way.

A great starting point for your Marsh & McLennan Companies research is our analysis highlighting 4 key rewards and 1 important warning sign that could impact your investment decision.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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