Stocks / AER vs ALLE

AER vs ALLE: Which Stock Is the Better Buy?

AerCap Holdings N.V. and Allegion plc side by side — fundamentals from SEC filings, refreshed nightly. Sector: Industrials.

AER is the larger company ($21.3B vs $13.4B). On the fundamentals, ALLE grows revenue faster (8.4% vs 6.7%); AER earns a higher net margin (44.0% vs 15.8%); ALLE has the stronger return on equity (31.1% vs 20.5%). On the filings, ALLE carries fewer potential red flags (0 vs 1). Full numbers below — the stronger figure on each row is in green.

AI verdict — AER vs ALLE, 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.

 AerCap Holdings N.V. (AER)Allegion plc (ALLE)
Market cap$21.3B$13.4B
Revenue (latest FY)$8.52B$4.07B
Net income (latest FY)$3.75B$643.80M
Revenue growth (5y CAGR)6.7%8.4%
Net margin44.0%15.8%
Return on equity20.5%31.1%
P/E ratio5.920.7
Dividend yield1.2%1.4%
Profitable years (of last 10)310
Positive free cash flowNoYes

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See the full AER vs ALLE 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.

Open AER's full financials →   Open ALLE's full financials →

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Frequently asked questions

Which is bigger, AER or ALLE?

AerCap Holdings N.V. is larger by market capitalization — $21.3B versus $13.4B.

Which grows faster, AER or ALLE?

Over the last five fiscal years, Allegion plc grew revenue faster — 8.4%/yr versus 6.7%/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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