Stock Analysis
Aon plc Class AAON
P/E 15.86×· 5Y range 14.66–80.56×· bottom 1% of history
Sector: Financial Services · Industry: Insurance Agents, Brokers & Service
AnalystsBuy27 analystsP/E 15.9× sits at the 1st percentile of its 5.0978781656399725-year history.
Cash covers 7% of debt · Q2 2026.
PMP Verdict
Strong business, attractive price
Strengths
- Profitability95
- Quality76
High-quality business at an attractive price.
Market context
+2.0% today· Z 0.1σ
Bull Case
- ✓Piotroski F-Score 7/9 — high earnings quality
- ✓ROE 40.3% — efficient capital deployment
- ✓Interest coverage 10.2× — debt well covered
- ✓P/E 15.9× at bottom 1% of 5-year history
What's happening with AON
Profile
Strong profitability, moat, valuation and earnings quality.
How is each axis scored?
- Valuation77/100 · Strong
- P/E vs own history (1th pct)25/25
- FCF yield (5.3%)20/25
- P/S (3.5x)20/25
- EV/EBIT (16.3x)12/25
- Growth74/100 · Moderate
- Revenue CAGR (9.0%)12/25
- Net income CAGR (31.0%)25/25
- EPS CAGR 5Y (32.3%)25/25
- Fwd implied growth (9.2%)12/25
- Profitability95/100 · Strong
- ROIC (15.0%)20/25
- ROE (40.3%)25/25
- Net margin (22.3%)25/25
- Operating margin (26.5%)25/25
- Financial Health52/100 · Moderate
- Altman Z (1.21)3/25
- Current ratio (1.03)12/25
- Interest coverage (10.2x)25/25
- Net cash / debt (D/A 28%)12/25
- Quality76/100 · Strong
- Piotroski F (7/9)22/25
- Beneish M (-2.37)20/25
- FCF conversion (83%)22/25
- Margin stability (σ 9.6%)12/25
- Moat81/100 · Strong
- ROIC >12% years (9/10 yrs)25/25
- Median gross margin (22.1%)6/25
- FCF-positive years (10/10 yrs)25/25
- Worst-year net margin (worst 10.3%)25/25
Risk Flags
- ⚠Altman Z 1.2 — distress-zone balance sheet
About Aon plc Class A
Aon is a leading global provider of insurance and reinsurance brokerage and human resources solutions. Show more
Its operations are tilted toward its brokerage operations. Headquartered in London, Aon has about 60,000 employees and operations in over 120 countries.
Headquarters: DUBLIN 2, L2 · Employees: 60,000 · Website ↗
Price History
Weekly Candlestick Chart — up to 5Y
Key Metrics
Financial snapshot · Tap any metric for its definition and grade
TTM Snapshot
trailing twelve months · YoYValuation
77B+P/E (TTM)15.6xB
Grade B: FairPrice / TTM EPS (own statements) — vs own 5Y history: 14.7x–80.6x · 1st pct
P/FCF18.8xB
Grade B: FairPrice / Free Cash Flow per share (Finnhub). Inverse of FCF yield — negative when FCF is negative
FCF Yield5.3%A
Grade A: ValueTTM (OCF − CapEx) / Market Cap — vs own 5Y history: 2.6%–5.7% · 96th pct
P/S (TTM)3.46xB
Grade B: FairPrice / TTM Revenue (own statements) — vs own 5Y history: 3.3x–6.1x · 1st pct
EV/EBIT16.3xB
Grade B: FairEnterprise value / TTM EBIT (D&A not in our data) — capital-structure neutral — vs own 5Y history: 15.0x–45.0x · 2nd pct
EV/Sales4.3xB
Grade B: FairEnterprise Value / TTM Revenue (Finnhub) — capital-structure neutral sales multiple
Forward P/E14.2xA
Grade A: CheapPrice / next-year EPS estimate — shows whether the TTM multiple is rich or just front-loading growth
P/B Ratio6.27xC
Grade C: ExpensivePrice to Book Value. Neg. equity = heavy buybacks
PEG Ratio1.40B
Grade B: FairFinnhub PEG — their P/E basis ÷ expected EPS growth. Suppressed when their P/E diverges >2× from our TTM P/E (different basis)
Dividend Yield1.08%A
Grade A: PaysTTM dividend yield (Finnhub) — annual dividends / price. None = no dividend; very high yield can signal distress
Payout Ratio16.8%A
Grade A: SafeDividends / Net Income (Finnhub) — share of earnings paid out; >90% or negative = unsustainable
Profitability
95A+ROIC15.0%A
Grade A: MoatNOPAT (EBIT less ~21% tax) / invested capital (equity + debt − cash). Flagship quality metric — durable >15% signals a moat
ROE40.3%A
Grade A: StrongReturn on Equity. Neg. equity = heavy buybacks
ROA7.6%C
Grade C: AverageReturn on Assets (Finnhub) — Net Income / Total Assets; how efficiently assets produce profit
Net Margin22.3%A
Grade A: HighNet Income / Revenue
Operating Margin26.5%A
Grade A: HighTTM EBIT / TTM Revenue
Gross Margin26.5%D
Grade D: LowGross Profit / Revenue
FCF Margin18.5%A
Grade A: HighFCF / Revenue
True FCF Margin16.4%A
Grade A: HighTTM (OCF − CapEx − SBC) / TTM Revenue — SBC treated as a real cost
Growth
74B+Revenue CAGR9.0%C
Grade C: OkCompound annual revenue growth (up to 5Y depending on data availability)
Net Income CAGR31.0%A
Grade A: HighCompound annual net income growth (up to 5Y depending on data availability)
EPS CAGR (5Y)32.3%A
Grade A: HighCompound annual EPS growth over up to 5Y of per-share earnings (own statements). Null when either endpoint EPS ≤ 0
Implied EPS Growth9.2%B
Grade B: LowAnalyst forward EPS (normalized basis) vs our GAAP TTM EPS — different bases, so extreme values usually mark cyclically depressed TTM earnings, not real growth
Dilution (5Y)-7.0%A
Grade A: BuybacksShare count change over 5Y
SBC / Net Income9.5%A
Grade A: LowStock-based comp/Net income. >30% = dilution risk
SBC / Revenue2.1%A
Grade A: LowTTM stock-based comp / TTM Revenue
Financial Health
52CAltman Z-Score1.21D
Grade D: DistressBankruptcy risk. >3 Safe, <1.8 Distress
Current Ratio1.03xC
Grade C: OkCurrent Assets/Liabilities
Quick Ratio1.03xA
Grade A: High(Current Assets − Inventory) / Current Liabilities (Finnhub) — stricter liquidity test, excludes inventory
Interest Coverage10.2xA
Grade A: StrongEBIT/Interest. >10 Strong
Debt Repayment4.5yC
Grade C: AverageYears to repay net debt via FCF
Net Debt/EBIT3.2xC
Grade C: MedLeverage. <2x Low, >4x High
Debt/Equity1.63xC
Grade C: MedDebt / Equity: <1 Conservative, >2 Risky. Not meaningful with non-positive equity; shown as unavailable rather than low debt.
Cash / Debt0.07xD
Grade D: ThinCash covers how much of total debt. >1 = could repay all debt from cash
Quality
76B+Piotroski F-Score7/9A
Grade A: StrongFinancial strength 0–9. >7 Strong
Beneish M-Score-2.37A
Grade A: SafeEarnings manipulation risk. < -2.22 Safe
FCF Conversion83.0%A
Grade A: StrongFCF / Net Income
Margin Stability9.6%C
Grade C: AverageEBIT margin std deviation. Lower = stable
Capex / Revenue1.6%A
Grade A: Asset-lightTTM CapEx / TTM Revenue — high % = capital-hungry business
Asset Turnover0.34xD
Grade D: LowRevenue / Total Assets (Finnhub) — how efficiently the asset base generates sales
Insider Transactions
SEC Form 4 · 8 recordsP/S codes are the directional signal; grants, option exercises and tax withholding carry none. Form 4 doesn't flag 10b5-1 plans — scheduled sales may appear within open-market sells.
| Trade date | Insider | Transaction | Shares | Filed |
|---|---|---|---|---|
KNIGHT LESTER B Filed | KNIGHT LESTER B | BuyOpen market buy | +367 | |
KNIGHT LESTER B Filed | KNIGHT LESTER B | BuyOpen market buy | +1.4K | |
KNIGHT LESTER B Filed | KNIGHT LESTER B | BuyOpen market buy | +4.1K | |
KNIGHT LESTER B Filed | KNIGHT LESTER B | BuyOpen market buy | +7.2K | |
KNIGHT LESTER B Filed | KNIGHT LESTER B | BuyOpen market buy | +5.1K |
Show 3 more filingsShow fewer filings
| Trade date | Insider | Transaction | Shares | Filed |
|---|---|---|---|---|
KNIGHT LESTER B Filed | KNIGHT LESTER B | BuyOpen market buy | +1.7K | |
Zeidel Darren Filed | Zeidel Darren | SellOpen market sale | -475 | |
Zeidel Darren Filed | Zeidel Darren | SellOpen market sale | -725 |
More metrics — Moat, Per Share, Balance Sheet, MarketHide additional metrics
Moat
81AROIC >12% Years9/10 yrsA
Grade A: DurableShare of completed fiscal years with ROIC > 12% — measures multi-year capital-return durability
Gross Margin (Med.)22.1%D
Grade D: WeakMedian annual gross margin across available fiscal years — pricing-power durability
FCF-Positive Years10/10 yrsA
Grade A: DurableShare of completed fiscal years with positive free cash flow
Net Margin Floor10.3%A
Grade A: DurableWeakest annual net margin across completed fiscal years — recession/downcycle resilience
Per Share
EPS (TTM)$18.45
Own TTM net income / shares — same earnings basis as P/E
Cash / Share$43.72
Cash & short-term investments per share (Finnhub)
Book Value / Share$45.27
Shareholders' equity per share (Finnhub). Negative = accumulated losses / heavy buybacks
Balance Sheet
Total Debt$15.87B
Total debt obligations (short + long term)
Cash & Equiv.$1.10B
Cash and short-term investments
Net Debt$14.78B
Total Debt minus Cash. Negative = Net Cash position
Total Equity$9.71B
Shareholders' equity (book value)
Asset / Liability1.22xC
Grade C: AdequateTotal Assets / Total Liabilities
Market
Market Cap$60.88B
Current Market Capitalization
Beta0.65B
Grade B: DefensivePrice sensitivity vs the market (Finnhub) — 1.0 moves with market, >1.2 amplifies swings
How grades work: each metric is graded A–D against fixed thresholds (tap a row for the meaning). Card grades map the pillar score to A+–E — a card grade is that pillar's own score, not an average of the rows shown.
Financials as of Jun 2026 · Ratio snapshot Oct 17, 2026
Key Insights: Aon plc Class A (AON)
AON is up 2.00% at the last close. Aon plc Class A meets 7 of 9 Piotroski F-Score criteria, placing its fundamental strength in the top tier of US-listed stocks. Altman Z-Score of 1.21 is below the 1.81 distress threshold — an elevated financial-risk flag. Beneish M-Score of -2.37 suggests a low likelihood of earnings manipulation.
- Aon plc Class A converts about 18% of revenue into free cash flow — strong cash generation.
- Takes ~4.5 years to repay net debt from free cash flow.
- At a valuation score of 77/100, AON trades near the cheapest end of its own historical range (P/E 15.6).
- Return on equity of 40.3% is well above the market average.
See how AON ranks on the Capex Tracker — top 50 capital spenders compared.
Recent Market Moves
See all AON moves →| Date | Session | Price | Move | Z-Score |
|---|---|---|---|---|
| Oct 15 | Regular | 286.08 | +3.90% | 3.19 |
| Oct 15 | After-hours | 286.40 | +4.01% | 3.28 |
| Oct 8 | Regular | 277.51 | +2.60% | 2.26 |
| Oct 8 | After-hours | 277.00 | +2.41% | 2.13 |
Frequently Asked Questions about AON
What is the current Aon plc Class A (AON) stock price?
AON is trading at $292.55 at the last market close, up 2.00% on the session. PreMarketPrice tracks AON pre-market, intraday and after-hours prices.
Is AON stock a buy right now?
PreMarketPrice's quantitative model rates Aon plc Class A's financial health at 52/100. This is a data-driven snapshot of fundamentals, not investment advice.
Is AON stock overvalued?
Aon plc Class A trades at a trailing P/E of 15.6 and our valuation score rates it 77/100 (higher = cheaper vs. its own history). See the Valuation History and Key Metrics sections for forward P/E, EV/EBITDA and PEG context.
When does Aon plc Class A report earnings?
No confirmed earnings date is currently scheduled for AON. The Earnings section lists recent reports and updates as dates are announced.
What sector does Aon plc Class A operate in?
Aon plc Class A operates in the Financial Services sector, within the Insurance Agents, Brokers & Service industry. The Related Stocks section lists sector peers for comparison.
What does Aon plc Class A do?
Aon is a leading global provider of insurance and reinsurance brokerage and human resources solutions.
About Aon plc Class A (AON) Stock
Aon plc Class A (AON) is a US-listed stock operating in the Financial Services sector, specifically the Insurance Agents, Brokers & Service industry. As of the latest update, Aon plc Class A is trading at $292.55, up 2.00% on the day with a market capitalization of $60.9 billion. The financial health score for AON is 52/100, which indicates moderate financial strength based on profitability, leverage, liquidity, and growth metrics. This page provides real-time pre-market pricing, earnings calendar, financial health analysis, and valuation metrics for AON stock.
AON Stock Analysis & Key Metrics
On PreMarketPrice, you can track Aon plc Class A (AON) across multiple dimensions:
- Pre-market price & movement: Real-time AON stock price with percentage change, updated continuously during pre-market and regular trading hours.
- Valuation & P/E history: Historical P/E, P/S, and P/B ratios for AON with trend analysis and normalized valuation multiples.
- Financial statements: Revenue, net income, assets, liabilities, and equity for Aon plc Class A across multiple reporting periods.
- Financial health score: A composite score of 52/100 based on Altman Z-Score, Piotroski F-Score, profitability, and leverage metrics for AON.
- Sector peers: Compare AON against 6 other financial services stocks on key financial metrics.
Is AON a Good Stock to Buy?
This page provides data-driven analysis to help you evaluate Aon plc Class A (AON) as an investment. The financial health score of 52/100 suggests moderate financial fundamentals. Valuation metrics show whether the stock is trading above or below its historical average.However, this is not financial advice — always do your own research before investing.
Data on this page is sourced from real-time market feeds, Polygon.io, and Finnhub.Aon plc Class A (AON) trades on NYSE. Pre-market trading occurs 4:00 AM – 9:30 AM ET. Regular market hours are 9:30 AM – 4:00 PM ET.