MRSH vs AON vs BWIN Stock Comparison

Marsh & Mclennan Companies, Aon and Baldwin Insurance Prices as of Oct 23, 2026 Peers: Industry group
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AON Aon plc
$303.56 +7.8% 1M -11.1% 1Y
Market cap
$64.41B
P/E
16.5x
Revenue (TTM)
$17.58B
Div. yield
0.01%
Insurance Brokers Financial Services
5 wins

Head to Head

12 decided of 12

Aon leads on 5 of the 12 questions below (Aon 5, Marsh & Mclennan Companies 4, Baldwin Insurance 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionMRSHAONBWINLeader
Larger companyMarket capitalisation $92.63B $64.41B $2.97B MRSH
Cheaper on earningsLower P/E, profitable companies only 22.9x 16.5x -36.5x AON
Cheaper on forward earningsLower price / next fiscal year consensus EPS 19.4x 16.7x 14.9x BWIN
Faster revenue growthRevenue growth, trailing twelve months +7.6% +4.9% +7.6% BWIN
More profitableNet margin, trailing twelve months 14.2% 22.3% -611.2% AON
Better return on capitalReturn on invested capital 13.1% 14.8% -1.5% AON
Less leveragedLower net debt / EBITDA 2.7x 2.5x 28.2x AON
Higher dividend yieldTrailing dividend yield 0.02% 0.01% 0.00% MRSH
Better 1-year returnPrice return, last 12 months +5.0% -11.1% +30.9% BWIN
Better 5-year returnAnnualised price return, 5 years +3.1%/yr -1.1%/yr -3.7%/yr MRSH
Less volatileAnnualised volatility, 1 year 25.8% 29.2% 58.9% MRSH
Higher overall scoreMean of the five percentile scores vs peers 35/100 41/100 17/100 AON

Percentile Scorecard

MRSHAONBWIN

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisMRSHAONBWIN
Valuation 9 #108 of 119 11 #106 of 119 3 #116 of 119
Growth 16 #99 of 117 47 #63 of 117 35 #77 of 117
Profitability 77 #28 of 117 87 #16 of 117 9 #107 of 117
Financial Health 21 #94 of 118 7 #110 of 118 4 #113 of 118
Shareholder Returns 55 #49 of 108 53 #51 of 108 37 #68 of 108
Overall 35 41 17
  • MRSH ranked among 126 companies in Insurance
  • AON ranked among 126 companies in Insurance
  • BWIN ranked among 126 companies in Insurance

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodMRSHAONBWINSPY
1 month +15.9%+7.8%+0.3% -1.0%
3 months +9.3%-16.1%+20.7% +2.9%
6 months +16.1%-5.5%+27.2% +6.4%
Year to date +6.5%-14.0%+33.0% +11.4%
1 year +5.0%-11.1%+30.9% +13.1%
3 years +4.5%-5.1%+50.5% +79.4%
3 years, per year +1.5%-1.7%+14.6% +21.5%
5 years +16.5%-5.4%-17.2% +67.7%
5 years, per year +3.1%-1.1%-3.7% +10.9%
10 years +203.7%+177.1%— +255.2%
10 years, per year +11.8%+10.7%— +13.5%

Risk

MeasureMRSHAONBWINSPY
Volatility, 1Y 25.8%29.2%58.9% 12.7%
Downside volatility, 1Y 24.8%30.9%50.6% 12.7%
Beta vs S&P 500, 1Y -0.37-0.31-0.03 1.00
Return / volatility, 1Y 0.19-0.380.52 1.03
Max drawdown, 5Y -35.6%-34.2%-70.2% -25.4%
From 52-week high -0.9%-20.3%-0.1% -2.5%
52-week high $199.34$381.11$32.00 $779.14
52-week low $157.32$269.45$16.50 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleMRSHAONBWIN
P/E now vs peer median 23.3xmedian 10.5x 16.5xmedian 10.5x -36.5xmedian 10.5x
P/S now vs peer median 3.3xmedian 1.4x 3.7xmedian 1.4x 335.2xmedian 1.4x
EV/EBITDA now vs peer median 16.1xmedian 8.0x 14.1xmedian 8.0x 83.6xmedian 8.0x
P/FCF now vs peer median 22.6xmedian 8.4x 19.8xmedian 8.4x 102.0xmedian 8.4x
P/B now vs peer median 6.3xmedian 1.5x 6.6xmedian 1.5x 3.1xmedian 1.5x
PEG now vs peer median 3.48median 0.47 1.36median 0.47 -1.65median 0.47

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsMRSHAONBWIN
Revenue $28.46B $17.58B $13.29M
Operating income $6.09B $4.65B -$119.63M
Net income $4.12B $3.99B -$127.55M
Free cash flow $4.15B $3.25B $43.71M
EPS (diluted) $8.44 $18.30 $-0.88
Cash & equivalents $1.84B $1.06B $184.50M
Total debt $20.53B $63.71B $8.10B
Shares (diluted) 479.00M 213.90M 92.76M
Enterprise value $84.79B $57.63B $2.42B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricMRSHAONBWIN
P/E 23.3x 16.5x -36.5x
P/FCF 22.6x 19.8x 102.0x
P/Operating cash flow 21.0x 18.2x 49.1x
P/S 3.3x 3.7x 335.2x
P/B 6.3x 6.6x 3.1x
P/Tangible book 9.0x 16.0x -154.4x
EV/EBITDA 16.1x 14.1x 83.6x
EV/EBIT 18.5x 16.8x -56.2x
EV/Revenue 4.0x 4.4x 505.9x
EV/FCF 27.1x 24.0x 153.9x
EV/Operating cash flow 25.1x 22.1x 74.1x
PEG (3Y EPS CAGR) 3.48 1.36 -1.65

Growth

14 metrics
MetricMRSHAONBWIN
Revenue growth (1Y) 7.6% 4.9% 7.6%
Revenue CAGR (3Y) 8.6% 10.9% -76.2%
Gross profit growth (1Y) – – –
Gross profit CAGR (3Y) – – –
Operating income growth (1Y) -1.0% 15.4% -227.4%
Operating income CAGR (3Y) 7.8% 5.9% -3.1%
Net income growth (1Y) -1.9% 49.7% -331.5%
Net income CAGR (3Y) 5.5% 13.4% 15.0%
EPS growth (1Y) 1.0% 52.8% -235.3%
EPS CAGR (3Y) 6.7% 12.2% 22.1%
Operating cash flow growth (1Y) -12.1% 12.1% 279.4%
Operating cash flow CAGR (3Y) 4.0% 3.1% 34.1%
Free cash flow growth (1Y) -13.9% 11.5% 146.9%
Free cash flow CAGR (3Y) 5.1% 3.3% 36.2%

Profitability

14 metrics
MetricMRSHAONBWIN
Gross margin – – –
EBITDA margin 24.6% 31.6% 605.3%
Operating margin 21.4% 26.5% -900.0%
Pretax margin 18.9% 28.9% -2,082%
Net margin 14.2% 22.3% -611.2%
FCF margin 14.6% 18.5% 328.8%
Operating cash flow margin 15.7% 20.1% 682.9%
Return on equity 27.2% 40.6% -8.9%
Return on assets 6.9% 7.6% -2.2%
Return on invested capital 13.1% 14.8% -1.5%
Return on capital employed 16.2% 18.5% -2.8%
Asset turnover 0.5x 0.3x 0.0x
Cash conversion (OCF / net income) 1.1x 0.9x -0.7x
Stock comp / revenue 1.5% 2.1% 563.3%

Financial Health

11 metrics
MetricMRSHAONBWIN
Debt / assets 34.3% 28.1% 39.7%
Debt / equity 1.4x 1.5x 1.7x
Net debt / EBITDA 2.7x 2.5x 28.2x
Debt / FCF 4.9x 4.6x 56.1x
Liabilities / assets 75.1% 81.8% 77.0%
Equity / assets 24.9% 18.2% 23.0%
Interest coverage 6.3x 6.2x –
Current ratio 1.1x 1.0x 1.1x
Quick ratio 0.5x 0.3x 0.6x
Cash ratio 0.1x 0.0x 0.1x
Altman Z-score 2.79 1.52 0.44

Shareholder Returns

7 metrics
MetricMRSHAONBWIN
Dividend yield 1.9% 1.0% –
Net buyback yield 3.1% 2.4% 2.8%
Shareholder yield 5.0% 3.4% 2.8%
Payout ratio (earnings) 43.6% 16.5% –
Payout ratio (FCF) 43.3% 20.3% –
Dividend growth (1Y) 8.4% 9.5% –
Dividend CAGR (3Y) 13.1% 11.5% –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusMRSHAONBWIN
Forward P/E 19.4xFY2026 16.7xFY2026 14.9xFY2026
EPS, next fiscal year $10.20FY2026 $18.15FY2026 $2.14FY2026
EPS growth, next FY +4.6%FY2026 +6.3%FY2026 +28.1%FY2026
EPS growth, the year after +15.5% +8.1% +20.6%
Revenue, next fiscal year $30.19BFY2026 $19.12BFY2026 $2.08BFY2026
Revenue growth, next FY +11.9%FY2026 +11.3%FY2026 +38.8%FY2026
Revenue growth, the year after +6.5% +8.7% +1.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersMRSHAONBWIN
Held by institutions 93.9% 90.5% 64.5%
Institutions holding 1,496 1,254 229
Change in shares held, QoQ +2.8% +3.1% +0.2%
Institutions buying 624 603 112
Institutions selling 652 448 76
Buyers to sellers 0.96 1.35 1.47

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

MRSHAONBWIN
MRSH 1.00 0.80 0.40
AON 0.80 1.00 0.37
BWIN 0.40 0.37 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, MRSH, AON and BWIN?

Marsh & Mclennan Companies (MRSH) is the largest by market capitalisation: Marsh & Mclennan Companies (MRSH) $92.63B, Aon (AON) $64.41B, Baldwin Insurance (BWIN) $2.97B.

Which stock is cheaper, MRSH, AON and BWIN?

Aon (AON) trades on the lowest price-to-earnings ratio (Marsh & Mclennan Companies (MRSH) 22.9x, Aon (AON) 16.5x, Baldwin Insurance (BWIN) -36.5x). On next year's consensus earnings, Baldwin Insurance (BWIN) is cheapest (Marsh & Mclennan Companies (MRSH) 19.4x, Aon (AON) 16.7x, Baldwin Insurance (BWIN) 14.9x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Baldwin Insurance (BWIN) grew revenue fastest over the trailing twelve months: Marsh & Mclennan Companies (MRSH) +7.6%, Aon (AON) +4.9%, Baldwin Insurance (BWIN) +7.6%.

Which company is more profitable?

Aon (AON) has the highest net margin (Marsh & Mclennan Companies (MRSH) 14.2%, Aon (AON) 22.3%, Baldwin Insurance (BWIN) -611.2%). On return on invested capital, Aon (AON) leads (Marsh & Mclennan Companies (MRSH) 13.1%, Aon (AON) 14.8%, Baldwin Insurance (BWIN) -1.5%).

Which stock has performed better?

Over the past year Baldwin Insurance (BWIN) returned the most: Marsh & Mclennan Companies (MRSH) +5.0%, Aon (AON) -11.1%, Baldwin Insurance (BWIN) +30.9%. Over five years, Marsh & Mclennan Companies (MRSH) compounded fastest (Marsh & Mclennan Companies (MRSH) +3.1%/yr, Aon (AON) -1.1%/yr, Baldwin Insurance (BWIN) -3.7%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Marsh & Mclennan Companies (MRSH) has the highest dividend yield: Marsh & Mclennan Companies (MRSH) 0.02%, Aon (AON) 0.01%, Baldwin Insurance (BWIN) 0.00%. Baldwin Insurance (BWIN) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Marsh & Mclennan Companies (MRSH) has been the steadiest (Marsh & Mclennan Companies (MRSH) 25.8%, Aon (AON) 29.2%, Baldwin Insurance (BWIN) 58.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, MRSH, AON and BWIN?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Aon (AON) leads on 5. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.