AON vs. SLF: Aon vs. Sun Life Financial Stock Comparison
How do Aon (AON) and Sun Life Financial (SLF) 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
Aon (AON) and Sun Life Financial (SLF) both belong to the Insurance industry, though AON is classified under Insurance Brokers while SLF falls under Life & Health Insurance.
| Profile Item | AON | SLF |
|---|---|---|
| Name | Aon plc Class A | Sun Life Financial Inc. |
| Country/Region | Ireland | Canada |
| GICS Sector | Financials | Financials |
| GICS Industry Group | Insurance | Insurance |
| GICS Industry | Insurance | Insurance |
| GICS Sub-Industry | Insurance Brokers | Life & Health Insurance |
| Market Capitalization | 71.03 billion USD | 39.73 billion USD |
| Currency | USD | USD |
| Exchange | NYSE | NYSE |
| Listing Date | June 2, 1980 | March 23, 2000 |
| Security Type | Common Stock | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | AON | SLF |
|---|---|---|
| Total Return (1Y) | -1.97% | 30.02% |
| Total Return (3Y, Annualized) | 1.25% | 20.05% |
| Total Return (5Y, Annualized) | 3.28% | 9.37% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
| Metric | AON | SLF |
|---|---|---|
| Volatility (1Y, Annualized) | 29.20% | 21.39% |
| Beta (5Y) | 0.60 | 0.88 |
| Max Drawdown (5Y) | -33.57% | -30.77% |
| Avg. Volume (3M) | 1.64M | 666.75K |
Risk-Adjusted Performance
Risk-Return Positioning
Risk-Adjusted Metrics
| Metric | AON | SLF |
|---|---|---|
| Sharpe Ratio (1Y) | -0.21 | 1.20 |
| Sortino Ratio (1Y) | -0.29 | 1.61 |
Profitability
ROE (TTM)
Aon (AON) at 43.38% clears its industry range for ROE, a sharper capital-efficiency signal than Sun Life Financial (SLF) at 11.55%, which is closer to a typical peer reading.
AON
Insurance industry group
43.38%
- AON
- 43.38%
- Max
- 41.68%
- Q3
- 22.04%
- Median
- 14.81%
- Q1
- 8.79%
- Min
- -10.66%
SLF
Insurance industry group
11.55%
- Max
- 41.68%
- Q3
- 22.04%
- Median
- 14.81%
- SLF
- 11.55%
- Q1
- 8.79%
- Min
- -10.66%
Net Margin (TTM)
Aon (AON) at 22.24% retains a top-quartile share of revenue as profit, ahead of Sun Life Financial (SLF) at 8.63%, which keeps about the industry-typical share.
AON
Insurance industry group
22.24%
- Max
- 29.92%
- AON
- 22.24%
- Q3
- 17.03%
- Median
- 10.97%
- Q1
- 6.21%
- Min
- -4.68%
SLF
Insurance industry group
8.63%
- Max
- 29.92%
- Q3
- 17.03%
- Median
- 10.97%
- SLF
- 8.63%
- Q1
- 6.21%
- Min
- -4.68%
Operating Margin (TTM)
Neither side reports a meaningful operating margin: for Aon (AON) in Insurance and Sun Life Financial (SLF) in Insurance, funding costs are part of the core business, so net margin and ROE are the cleaner profitability reads.
Profitability Metrics
| Metric | AON | SLF |
|---|---|---|
| ROE (TTM) | 43.38% | 11.55% |
| ROA (TTM) | 5.45% | 0.74% |
| Net Margin (TTM) | 22.24% | 8.63% |
| Operating Margin (TTM) | -- | -- |
| Gross Margin (TTM) | -- | -- |
Growth
Revenue Growth
Both Aon (AON) at 9.45% and Sun Life Financial (SLF) at 11.50% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.
EPS Growth
Both Aon (AON) at 36.27% and Sun Life Financial (SLF) at 16.92% land near their industries' usual EPS growth ranges, so bottom-line momentum looks broadly in line with peers on both sides.
Growth Metrics
| Metric | AON | SLF |
|---|---|---|
| Revenue Growth (YoY) | 9.45% | 11.50% |
| Revenue Growth (3Y CAGR) | 11.25% | 123.82% |
| EPS Growth (YoY) | 36.27% | 16.92% |
| EPS Growth (3Y CAGR) | 11.92% | 5.68% |
Financial Strength
Current Ratio (MRQ)
current ratio doesn’t apply on either side: Aon (AON) in Insurance and Sun Life Financial (SLF) 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: Aon (AON) in Insurance and Sun Life Financial (SLF) 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 | AON | SLF |
|---|---|---|
| Current Ratio (MRQ) | -- | -- |
| Debt / Equity (MRQ) | -- | -- |
| Net Debt / EBITDA | -- | -- |
Dividends
Dividend Yield (TTM)
Sun Life Financial (SLF) at 5.12% delivers top-quartile income for its industry, while Aon (AON) at 0.91% pays a more typical yield — both are credible income propositions, SLF the richer one.
AON
Insurance industry group
0.91%
- Max
- 5.12%
- Q3
- 2.15%
- Median
- 0.98%
- AON
- 0.91%
- Q1
- 0.00%
- Min
- 0.00%
SLF
Insurance industry group
5.12%
- SLF
- 5.12%
- Max
- 5.12%
- Q3
- 2.15%
- Median
- 0.98%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Aon (AON) at 17.13% pays out a band-typical share of earnings, while Sun Life Financial (SLF) at 70.41% distributes more than its industry norm — less retained, thinner cover.
AON
Insurance industry group
17.13%
- Max
- 76.67%
- Q3
- 35.18%
- AON
- 17.13%
- Median
- 14.74%
- Q1
- 0.00%
- Min
- 0.00%
SLF
Insurance industry group
70.41%
- Max
- 76.67%
- SLF
- 70.41%
- Q3
- 35.18%
- Median
- 14.74%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | AON | SLF |
|---|---|---|
| Dividend Yield (TTM) | 0.91% | 5.12% |
| Dividend Payout Ratio (TTM) | 17.13% | 70.41% |
Valuation
P/E Ratio (TTM)
Both Aon (AON) at 18.33 and Sun Life Financial (SLF) at 18.58 land around their industries’ usual P/E ratio levels — neither is getting a clear earnings-multiple discount or premium versus peers.
AON
Insurance industry group
18.33
- Max
- 28.37
- Q3
- 18.75
- AON
- 18.33
- Median
- 12.23
- Q1
- 9.08
- Min
- 2.32
SLF
Insurance industry group
18.58
- Max
- 28.37
- Q3
- 18.75
- SLF
- 18.58
- Median
- 12.23
- Q1
- 9.08
- Min
- 2.32
P/S Ratio (TTM)
Sun Life Financial (SLF) at 1.12 is priced about in line with its industry on P/S ratio, while Aon (AON) at 4.02 sits in the pricier quartile — AON costs more per dollar of sales.
AON
Insurance industry group
4.02
- Max
- 4.03
- AON
- 4.02
- Q3
- 2.25
- Median
- 1.23
- Q1
- 0.85
- Min
- 0.07
SLF
Insurance industry group
1.12
- Max
- 4.03
- Q3
- 2.25
- Median
- 1.23
- SLF
- 1.12
- Q1
- 0.85
- Min
- 0.07
P/B Ratio (MRQ)
Sun Life Financial (SLF) at 2.26 sits near its industry’s typical P/B ratio, while Aon (AON) at 7.03 prices above its benchmark range — AON looks rich relative to book.
AON
Insurance industry group
7.03
- AON
- 7.03
- Max
- 5.07
- Q3
- 2.79
- Median
- 1.76
- Q1
- 1.23
- Min
- 0.30
SLF
Insurance industry group
2.26
- Max
- 5.07
- Q3
- 2.79
- SLF
- 2.26
- Median
- 1.76
- Q1
- 1.23
- Min
- 0.30
Valuation Metrics
| Metric | AON | SLF |
|---|---|---|
| P/E Ratio (TTM) | 18.33 | 18.58 |
| P/S Ratio (TTM) | 4.02 | 1.12 |
| P/B Ratio (MRQ) | 7.03 | 2.26 |
| Free Cash Flow Yield (TTM) | -- | -- |