Stocks / AON vs ZION

AON vs ZION: Which Stock Is the Better Buy?

Aon plc and Zions Bancorporation, National Association side by side — fundamentals from SEC filings, refreshed nightly. Sector: Financial Services.

AON is the larger company ($76.5B vs $9.6B). On the fundamentals, ZION grows revenue faster (44.3% vs 9.2%); ZION earns a higher net margin (26.1% vs 21.5%); AON has the stronger return on equity (39.5% vs 12.5%). Neither shows an obvious red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — AON vs ZION, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Aon plc (AON)Zions Bancorporation, National Association (ZION)
Market cap$76.5B$9.6B
Revenue (latest FY)$17.18B$3.43B
Net income (latest FY)$3.69B$895.00M
Revenue growth (5y CAGR)9.2%44.3%
Net margin21.5%26.1%
Return on equity39.5%12.5%
P/E ratio19.910.2
Dividend yield0.9%2.8%
Profitable years (of last 10)1010
Positive free cash flowYesYes

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See the full AON vs ZION breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

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Frequently asked questions

Which is bigger, AON or ZION?

Aon plc is larger by market capitalization — $76.5B versus $9.6B.

Which grows faster, AON or ZION?

Over the last five fiscal years, Zions Bancorporation, National Association grew revenue faster — 44.3%/yr versus 9.2%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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