AIG vs. MRSH: American International vs. Marsh & McLennan Stock Comparison
How do American International (AIG) and Marsh & McLennan (MRSH) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.
Company Profile
American International (AIG) and Marsh & McLennan (MRSH) both belong to the Insurance industry, though AIG is classified under Multi-line Insurance while MRSH falls under Insurance Brokers.
| Profile Item | AIG | MRSH |
|---|---|---|
| Name | American International Group, Inc. | Marsh & McLennan Companies, Inc. |
| Country/Region | United States | United States |
| GICS Sector | Financials | Financials |
| GICS Industry Group | Insurance | Insurance |
| GICS Industry | Insurance | Insurance |
| GICS Sub-Industry | Multi-line Insurance | Insurance Brokers |
| Market Capitalization | 40.31 billion USD | 97.39 billion USD |
| Currency | USD | USD |
| Exchange | NYSE | NYSE |
| Listing Date | January 2, 1973 | February 21, 1973 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | AIG | MRSH |
|---|---|---|
| Total Return (1Y) | 5.79% | 16.87% |
| Total Return (3Y, Annualized) | 10.55% | 3.11% |
| Total Return (5Y, Annualized) | 8.67% | 6.23% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
| Metric | AIG | MRSH |
|---|---|---|
| Volatility (1Y, Annualized) | 23.72% | 26.15% |
| Beta (5Y) | 0.47 | 0.51 |
| Max Drawdown (5Y) | -26.45% | -34.36% |
| Avg. Volume (3M) | 4.14M | 2.43M |
Risk-Adjusted Performance
Risk-Return Positioning
Risk-Adjusted Metrics
| Metric | AIG | MRSH |
|---|---|---|
| Sharpe Ratio (1Y) | 0.06 | 0.48 |
| Sortino Ratio (1Y) | 0.09 | 0.74 |
Profitability
ROE (TTM)
Marsh & McLennan (MRSH) at 27.24% sits in the top ROE quartile, while American International (AIG) at 8.23% is in the bottom quartile, showing a clear gap in returns on equity.
AIG
Insurance industry group
8.23%
- Max
- 41.68%
- Q3
- 22.04%
- Median
- 14.81%
- Q1
- 8.79%
- AIG
- 8.23%
- Min
- -10.66%
MRSH
Insurance industry group
27.24%
- Max
- 41.68%
- MRSH
- 27.24%
- Q3
- 22.04%
- Median
- 14.81%
- Q1
- 8.79%
- Min
- -10.66%
Net Margin (TTM)
Both American International (AIG) at 11.84% and Marsh & McLennan (MRSH) at 14.20% keep about the typical share of revenue as profit for their industries — neither bottom line stands out from peers.
AIG
Insurance industry group
11.84%
- Max
- 29.92%
- Q3
- 17.03%
- AIG
- 11.84%
- Median
- 10.97%
- Q1
- 6.21%
- Min
- -4.68%
MRSH
Insurance industry group
14.20%
- Max
- 29.92%
- Q3
- 17.03%
- MRSH
- 14.20%
- Median
- 10.97%
- Q1
- 6.21%
- Min
- -4.68%
Operating Margin (TTM)
Neither side reports a meaningful operating margin: for American International (AIG) in Insurance and Marsh & McLennan (MRSH) in Insurance, funding costs are part of the core business, so net margin and ROE are the cleaner profitability reads.
Profitability Metrics
| Metric | AIG | MRSH |
|---|---|---|
| ROE (TTM) | 8.23% | 27.24% |
| ROA (TTM) | 1.95% | 7.35% |
| Net Margin (TTM) | 11.84% | 14.20% |
| Operating Margin (TTM) | -- | -- |
| Gross Margin (TTM) | -- | -- |
Growth
Revenue Growth
Marsh & McLennan (MRSH) at 10.32% is around its peer norm for revenue growth, while American International (AIG) at -1.82% drops into the bottom quartile, signaling weaker demand or pricing momentum.
EPS Growth
Only one side can be read here: Marsh & McLennan (MRSH) reports EPS growth of 3.06%, ranked against its industry; American International (AIG) has no EPS growth figure this period.
Growth Metrics
| Metric | AIG | MRSH |
|---|---|---|
| Revenue Growth (YoY) | -1.82% | 10.32% |
| Revenue Growth (3Y CAGR) | -3.69% | 9.20% |
| EPS Growth (YoY) | -- | 3.06% |
| EPS Growth (3Y CAGR) | -25.13% | 11.75% |
Financial Strength
Current Ratio (MRQ)
current ratio doesn’t apply on either side: American International (AIG) in Insurance and Marsh & McLennan (MRSH) in Insurance both report balance sheets without a current/non-current split, so their short-term liquidity is better judged through regulatory and funding measures.
Debt / Equity (MRQ)
debt-to-equity ratio is set aside for both: American International (AIG) in Insurance and Marsh & McLennan (MRSH) in Insurance run businesses where balance-sheet leverage is part of the model, so capital-adequacy and funding measures are the better gauges of balance-sheet risk.
Financial Strength Metrics
| Metric | AIG | MRSH |
|---|---|---|
| Current Ratio (MRQ) | -- | -- |
| Debt / Equity (MRQ) | -- | -- |
| Net Debt / EBITDA | -- | -- |
Dividends
Dividend Yield (TTM)
American International (AIG) at 2.35% delivers top-quartile income for its industry, while Marsh & McLennan (MRSH) at 1.80% pays a more typical yield — both are credible income propositions, AIG the richer one.
AIG
Insurance industry group
2.35%
- Max
- 5.12%
- AIG
- 2.35%
- Q3
- 2.15%
- Median
- 0.98%
- Q1
- 0.00%
- Min
- 0.00%
MRSH
Insurance industry group
1.80%
- Max
- 5.12%
- Q3
- 2.15%
- MRSH
- 1.80%
- Median
- 0.98%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
American International (AIG) at 31.00% pays out a band-typical share of earnings, while Marsh & McLennan (MRSH) at 44.14% distributes more than its industry norm — less retained, thinner cover.
AIG
Insurance industry group
31.00%
- Max
- 76.67%
- Q3
- 35.18%
- AIG
- 31.00%
- Median
- 14.74%
- Q1
- 0.00%
- Min
- 0.00%
MRSH
Insurance industry group
44.14%
- Max
- 76.67%
- MRSH
- 44.14%
- Q3
- 35.18%
- Median
- 14.74%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | AIG | MRSH |
|---|---|---|
| Dividend Yield (TTM) | 2.35% | 1.80% |
| Dividend Payout Ratio (TTM) | 31.00% | 44.14% |
Valuation
P/E Ratio (TTM)
American International (AIG) at 12.68 is near its industry’s usual P/E ratio, while Marsh & McLennan (MRSH) at 24.50 sits in the richer quartile — MRSH needs stronger growth or earnings quality to justify the premium.
AIG
Insurance industry group
12.68
- Max
- 28.37
- Q3
- 18.75
- AIG
- 12.68
- Median
- 12.23
- Q1
- 9.08
- Min
- 2.32
MRSH
Insurance industry group
24.50
- Max
- 28.37
- MRSH
- 24.50
- Q3
- 18.75
- Median
- 12.23
- Q1
- 9.08
- Min
- 2.32
P/S Ratio (TTM)
American International (AIG) at 1.45 is priced about in line with its industry on P/S ratio, while Marsh & McLennan (MRSH) at 3.42 sits in the pricier quartile — MRSH costs more per dollar of sales.
AIG
Insurance industry group
1.45
- Max
- 4.03
- Q3
- 2.25
- AIG
- 1.45
- Median
- 1.23
- Q1
- 0.85
- Min
- 0.07
MRSH
Insurance industry group
3.42
- Max
- 4.03
- MRSH
- 3.42
- Q3
- 2.25
- Median
- 1.23
- Q1
- 0.85
- Min
- 0.07
P/B Ratio (MRQ)
American International (AIG) at 1.04 sits in the lower P/B ratio quartile relative to book while Marsh & McLennan (MRSH) at 6.64 prices above its industry range — a wide valuation gap against assets.
AIG
Insurance industry group
1.04
- Max
- 5.07
- Q3
- 2.79
- Median
- 1.76
- Q1
- 1.23
- AIG
- 1.04
- Min
- 0.30
MRSH
Insurance industry group
6.64
- MRSH
- 6.64
- Max
- 5.07
- Q3
- 2.79
- Median
- 1.76
- Q1
- 1.23
- Min
- 0.30
Valuation Metrics
| Metric | AIG | MRSH |
|---|---|---|
| P/E Ratio (TTM) | 12.68 | 24.50 |
| P/S Ratio (TTM) | 1.45 | 3.42 |
| P/B Ratio (MRQ) | 1.04 | 6.64 |
| Free Cash Flow Yield (TTM) | -- | -- |