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AON vs MRSH
Which Stock Would AI Choose? Aon plc (AON) vs. Marsh & McLennan Companies, Inc. (MRSH) Stock Comparison
Key Takeaways
- Both AON and MRSH posted positive year-to-date (YTD) returns of approximately 7.5%, outperforming the S&P 500 amid a challenging market environment.
- MRSH reported strong Q1 2026 results with 8% revenue growth, while AON awaits its earnings release on May 1.
- AON announced a 10% dividend increase, underscoring financial confidence and shareholder returns.
- MRSH holds a larger market capitalization of $82 billion versus AON's $70 billion, reflecting greater scale.
- Both stocks have seen modest declines over recent weeks, trading near the lower end of their 52-week ranges due to sector pressures.
- Investor sentiment remains constructive, supported by organic growth and strategic initiatives in risk management.
Introduction
Aon plc (AON) and Marsh & McLennan Companies, Inc. (MRSH) are leading players in the professional services sector, specializing in insurance brokerage, risk management, and consulting. This stock comparison is particularly relevant for investors seeking exposure to stable financial services firms with recurring revenue streams from global risk advisory. Traders monitoring relative performance may find value in their similar YTD gains and sector dynamics, amid evolving market conditions like rising cyber risks and economic uncertainty. Understanding their business models, recent momentum, and positioning aids informed decision-making in portfolio allocation or sector rotation strategies.
AON Overview and Recent Performance
Aon plc (AON) is a global professional services firm delivering risk management, insurance brokerage, reinsurance, and human capital solutions through its Risk Capital and Human Capital segments. In recent market activity, AON shares have displayed resilience, achieving a YTD return of 7.62% that surpasses the S&P 500's performance. The stock trades around $326 with a market cap of $70 billion and a price-to-earnings (P/E) ratio of 19.14 (trailing twelve months, or TTM). Sentiment has been bolstered by a 10% quarterly dividend hike to $0.82 per share and expansion of its Data Center Lifecycle Insurance Program to $3.5 billion capacity, addressing surging demand in digital infrastructure. However, shares have softened slightly in recent weeks ahead of Q1 2026 earnings on May 1, with expected EPS of $6.33 amid some analyst revisions in the Wealth Solutions area.
MRSH Overview and Recent Performance
Marsh & McLennan Companies, Inc. (MRSH) provides professional services in risk, strategy, and human capital via subsidiaries like Marsh (insurance brokerage), Guy Carpenter (reinsurance), Mercer (consulting), and Oliver Wyman. Recently, MRSH shares have maintained steady momentum with a YTD return of 7.34%, outpacing the S&P 500. Trading near $170 with an $82 billion market cap and TTM P/E of 21.27, the stock reflects its scale advantage. Positive catalysts include robust Q1 2026 results showing 8% revenue growth to $7.6 billion and a new multi-year partnership with Formula 1 as official risk partner. These developments have supported sentiment, though shares dipped modestly in recent weeks alongside broader sector trends.
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Head-to-Head Comparison
AON and MRSH share core business models centered on insurance brokerage and risk consulting, with exposure to reinsurance and human capital solutions. MRSH edges in scale via its larger market cap and diversified units like Marsh for brokerage dominance. Growth drivers include organic revenue expansion—8% for MRSH in Q1—from rising global risks (e.g., cyber, climate), contrasting AON's focus on specialized solutions like data centers. Recent momentum is comparable with aligned YTD gains, though both face pullbacks from premium softening and cost pressures. Risk factors encompass regulatory scrutiny in brokerage and M&A (mergers and acquisitions) integration challenges. Sector exposure ties them to financial services stability, but AON offers a valuation edge with lower P/E. Market sentiment favors both for resilient cash flows, yet MRSH benefits from fresher earnings visibility.
Tickeron AI Verdict
Tickeron’s AI models currently favor MRSH with higher conviction, driven by its recent Q1 earnings beat, 8% revenue growth, and strategic partnerships like Formula 1, positioning it for sustained momentum. While AON shows stability via dividend growth and YTD outperformance, MRSH's larger scale and catalysts suggest a probabilistic edge in the near term under prevailing trends.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full Disclaimers and Limitations.
To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is AON is a StrongBuy and MRSH is a StrongBuy.
Long-Term Analysis
It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
AON’s FA Score shows that 1 FA rating(s) are green whileMRSH’s FA Score has 0 green FA rating(s).
- AON’s FA Score: 1 green, 4 red.
- MRSH’s FA Score: 0 green, 5 red.
Short-Term Analysis
It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.
If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.
AON’s TA Score shows that 4 TA indicator(s) are bullish while MRSH’s TA Score has 2 bullish TA indicator(s).
- AON’s TA Score: 4 bullish, 5 bearish.
- MRSH’s TA Score: 2 bullish, 5 bearish.
Price Growth
AON (@Insurance Brokers/Services) experienced а -4.82% price change this week, while MRSH (@Insurance Brokers/Services) price change was -3.65% for the same time period.
The average weekly price growth across all stocks in the @Insurance Brokers/Services industry was -1.95%. For the same industry, the average monthly price growth was -5.30%, and the average quarterly price growth was -28.73%.
Reported Earning Dates
AON is expected to report earnings on Jul 24, 2026.
MRSH is expected to report earnings on Jul 16, 2026.
Industries' Descriptions
@Insurance Brokers/Services (-1.95% weekly)Insurance brokers sell, solicit, or negotiate insurance for compensation. General insurance brokers mostly cater to insurances on car, house etc. (versus life). Brokers are also often instrumental in helping small employers find health insurance, particularly in more competitive markets. Additionally, brokers may also provide risk assessments, insurance consulting services, insurance-related regulatory and legislative update services. Some of the major names in this industry include Marsh & McLennan Companies, Inc., Aon plc and Verisk Analytics Inc.
| AON | MRSH | AON / MRSH | |
| Capitalization | 68.5B | 78.9B | 87% |
| EBITDA | 6.77B | 7.16B | 95% |
| Gain YTD | -10.698 | -12.807 | 84% |
| P/E Ratio | 17.21 | 20.02 | 86% |
| Revenue | 17.5B | 27.5B | 64% |
| Total Cash | 1.42B | 1.61B | 88% |
| Total Debt | 15.5B | 22.5B | 69% |
AON | MRSH | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 63 | 8 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 93 Overvalued | 83 Overvalued | |
PROFIT vs RISK RATING 1..100 | 59 | 80 | |
SMR RATING 1..100 | 21 | 35 | |
PRICE GROWTH RATING 1..100 | 60 | 71 | |
P/E GROWTH RATING 1..100 | 90 | 62 | |
SEASONALITY SCORE 1..100 | 50 | 50 |
Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.
MRSH's Valuation (83) in the null industry is in the same range as AON (93) in the Insurance Brokers Or Services industry. This means that MRSH’s stock grew similarly to AON’s over the last 12 months.
AON's Profit vs Risk Rating (59) in the Insurance Brokers Or Services industry is in the same range as MRSH (80) in the null industry. This means that AON’s stock grew similarly to MRSH’s over the last 12 months.
AON's SMR Rating (21) in the Insurance Brokers Or Services industry is in the same range as MRSH (35) in the null industry. This means that AON’s stock grew similarly to MRSH’s over the last 12 months.
AON's Price Growth Rating (60) in the Insurance Brokers Or Services industry is in the same range as MRSH (71) in the null industry. This means that AON’s stock grew similarly to MRSH’s over the last 12 months.
MRSH's P/E Growth Rating (62) in the null industry is in the same range as AON (90) in the Insurance Brokers Or Services industry. This means that MRSH’s stock grew similarly to AON’s over the last 12 months.
| AON | MRSH | |
|---|---|---|
| RSI ODDS (%) | N/A | N/A |
| Stochastic ODDS (%) | 2 days ago 60% | 2 days ago 56% |
| Momentum ODDS (%) | 2 days ago 48% | 2 days ago 57% |
| MACD ODDS (%) | 2 days ago 57% | 2 days ago 57% |
| TrendWeek ODDS (%) | 2 days ago 52% | 2 days ago 48% |
| TrendMonth ODDS (%) | 2 days ago 49% | 2 days ago 46% |
| Advances ODDS (%) | 14 days ago 49% | 12 days ago 50% |
| Declines ODDS (%) | 2 days ago 52% | 2 days ago 43% |
| BollingerBands ODDS (%) | 2 days ago 53% | N/A |
| Aroon ODDS (%) | 2 days ago 46% | 2 days ago 42% |
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AON and
Correlation & Price change
A.I.dvisor indicates that over the last year, AON has been closely correlated with MRSH. These tickers have moved in lockstep 78% of the time. This A.I.-generated data suggests there is a high statistical probability that if AON jumps, then MRSH could also see price increases.
| Ticker / NAME | Correlation To AON | 1D Price Change % | ||
|---|---|---|---|---|
| AON | 100% | -1.29% | ||
| MRSH - AON | 78% Closely correlated | -1.41% | ||
| AJG - AON | 73% Closely correlated | -2.33% | ||
| WTW - AON | 73% Closely correlated | -0.90% | ||
| BRO - AON | 70% Closely correlated | -1.46% | ||
| ERIE - AON | 45% Loosely correlated | -4.37% | ||
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MRSH and
Correlation & Price change
A.I.dvisor indicates that over the last year, MRSH has been closely correlated with AON. These tickers have moved in lockstep 78% of the time. This A.I.-generated data suggests there is a high statistical probability that if MRSH jumps, then AON could also see price increases.
| Ticker / NAME | Correlation To MRSH | 1D Price Change % | ||
|---|---|---|---|---|
| MRSH | 100% | -1.41% | ||
| AON - MRSH | 78% Closely correlated | -1.29% | ||
| AJG - MRSH | 73% Closely correlated | -2.33% | ||
| BRO - MRSH | 70% Closely correlated | -1.46% | ||
| WTW - MRSH | 65% Loosely correlated | -0.90% | ||
| ERIE - MRSH | 48% Loosely correlated | -4.37% | ||
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