AJG vs. MRSH
AJG (Arthur J. Gallagher & Co.) and MRSH (Marsh & McLennan Companies, Inc) are both stocks. Both operate in the Insurance Brokers industry within the Financial Services sector. Over the past 10 years, AJG returned 18.45%/yr vs 11.56%/yr for MRSH. At a 0.46 correlation, their price movements are largely independent.
Performance
AJG vs. MRSH - Performance Comparison
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Returns By Period
In the year-to-date period, AJG achieves a -16.10% return, which is significantly lower than MRSH's -9.50% return. Over the past 10 years, AJG has outperformed MRSH with an annualized return of 18.45%, while MRSH has yielded a comparatively lower 11.56% annualized return.
AJG
- 1D
- -1.35%
- 1M
- 8.26%
- YTD
- -16.10%
- 6M
- -15.25%
- 1Y
- -31.10%
- 3Y*
- 1.26%
- 5Y*
- 9.90%
- 10Y*
- 18.45%
MRSH
- 1D
- -1.48%
- 1M
- 3.19%
- YTD
- -9.50%
- 6M
- -10.36%
- 1Y
- -22.08%
- 3Y*
- -1.27%
- 5Y*
- 5.12%
- 10Y*
- 11.56%
AJG vs. MRSH - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AJG Arthur J. Gallagher & Co. | -16.10% | -8.03% | 27.34% | 20.51% | 12.44% | 39.02% | 32.12% | 31.79% | 19.19% | 25.04% |
MRSH Marsh & McLennan Companies, Inc | -9.50% | -11.26% | 13.75% | 16.15% | -3.45% | 50.83% | 6.86% | 42.33% | -0.14% | 22.73% |
Correlation
The correlation between AJG and MRSH is 0.71, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.71 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.74 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.78 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.75 |
Correlation (All Time) Calculated using the full available price history since Dec 30, 1987 | 0.46 |
Over the past year, AJG and MRSH have become more correlated (0.71) than their long-term average of 0.46, meaning their price movements have been converging.
Fundamentals
AJG:
$5.74
MRSH:
$7.99
AJG:
37.60
MRSH:
20.80
AJG:
3.90
MRSH:
2.43
AJG:
4.03
MRSH:
2.97
AJG:
$13.94B
MRSH:
$27.52B
AJG:
$7.63B
MRSH:
$11.66B
AJG:
$3.66B
MRSH:
$6.68B
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Return for Risk
AJG vs. MRSH — Risk / Return Rank
AJG
MRSH
AJG vs. MRSH - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Arthur J. Gallagher & Co. (AJG) and Marsh & McLennan Companies, Inc (MRSH). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AJG | MRSH | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.18 | ||
| Sortino ratioReturn per unit of downside risk | -0.26 | ||
| Omega ratioGain probability vs. loss probability | 0.81 | 0.84 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | -0.77 | -0.82 | +0.05 |
| Martin ratioReturn relative to average drawdown | -1.30 | -1.42 | +0.12 |
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Drawdowns
AJG vs. MRSH - Drawdown Comparison
The maximum AJG drawdown since its inception was -57.49%, smaller than the maximum MRSH drawdown of -67.46%. Use the drawdown chart below to compare losses from any high point for AJG and MRSH.
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Drawdown Indicators
| AJG | MRSH | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -57.49% | -67.46% | +9.97% |
Max Drawdown (1Y)Largest decline over 1 year | -40.64% | -27.01% | -13.63% |
Max Drawdown (3Y)Largest decline over 3 years | -44.40% | -34.36% | -10.04% |
Max Drawdown (5Y)Largest decline over 5 years | -44.40% | -34.36% | -10.04% |
Max Drawdown (10Y)Largest decline over 10 years | -44.40% | -35.80% | -8.60% |
Current DrawdownCurrent decline from peak | -37.32% | -30.66% | -6.66% |
Average DrawdownAverage peak-to-trough decline | -12.84% | -17.41% | +4.57% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 23.96% | 15.56% | +8.40% |
Volatility
AJG vs. MRSH - Volatility Comparison
Arthur J. Gallagher & Co. (AJG) has a higher volatility of 8.23% compared to Marsh & McLennan Companies, Inc (MRSH) at 7.13%. This indicates that AJG's price experiences larger fluctuations and is considered to be riskier than MRSH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AJG | MRSH | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.23% | 7.13% | +1.10% |
Volatility (6M)Calculated over the trailing 6-month period | 22.31% | 19.09% | +3.22% |
Volatility (1Y)Calculated over the trailing 1-year period | 27.80% | 23.52% | +4.28% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.00% | 20.21% | +2.79% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.09% | 20.95% | +2.14% |
Dividends
AJG vs. MRSH - Dividend Comparison
AJG's dividend yield for the trailing twelve months is around 1.25%, less than MRSH's 2.17% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AJG Arthur J. Gallagher & Co. | 1.25% | 1.00% | 0.85% | 0.98% | 1.08% | 1.13% | 1.46% | 1.81% | 2.23% | 2.47% | 2.93% | 3.62% |
MRSH Marsh & McLennan Companies, Inc | 2.17% | 1.85% | 1.44% | 1.37% | 1.36% | 1.15% | 1.57% | 1.56% | 1.98% | 1.76% | 1.92% | 2.13% |
Financials
AJG vs. MRSH - Financials Comparison
This section allows you to compare key financial metrics between Arthur J. Gallagher & Co. and Marsh & McLennan Companies, Inc. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AJG vs. MRSH - Profitability Comparison
AJG - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Arthur J. Gallagher & Co. reported a gross profit of 1.42B and revenue of 3.63B. Therefore, the gross margin over that period was 39.1%.
MRSH - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Marsh & McLennan Companies, Inc reported a gross profit of 3.47B and revenue of 7.60B. Therefore, the gross margin over that period was 45.6%.
AJG - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Arthur J. Gallagher & Co. reported an operating income of 341.00M and revenue of 3.63B, resulting in an operating margin of 9.4%.
MRSH - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Marsh & McLennan Companies, Inc reported an operating income of 1.75B and revenue of 7.60B, resulting in an operating margin of 23.1%.
AJG - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Arthur J. Gallagher & Co. reported a net income of 151.00M and revenue of 3.63B, resulting in a net margin of 4.2%.
MRSH - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Marsh & McLennan Companies, Inc reported a net income of 1.15B and revenue of 7.60B, resulting in a net margin of 15.1%.
Frequently Asked Questions
AJG and MRSH have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
AJG has higher volatility (8.23%) compared to MRSH (7.13%). In terms of maximum drawdown, AJG dropped -57.49% vs MRSH's -67.46%.
MRSH currently has the higher Sharpe Ratio (-0.94 vs -1.12), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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