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Stocks / AER vs LII

AER vs LII: Which Stock Is the Better Buy?

AerCap Holdings N.V. and Lennox International Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Industrials.

AER is the larger company ($21.3B vs $19.8B). On the fundamentals, LII grows revenue faster (7.4% vs 6.7%); AER earns a higher net margin (44.0% vs 15.5%); LII has the stronger return on equity (69.3% vs 20.5%). Both carry 1 potential red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — AER vs LII, 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)Lennox International Inc. (LII)
Market cap$21.3B$19.8B
Revenue (latest FY)$8.52B$5.20B
Net income (latest FY)$3.75B$805.80M
Revenue growth (5y CAGR)6.7%7.4%
Net margin44.0%15.5%
Return on equity20.5%69.3%
P/E ratio5.925.3
Dividend yield1.2%0.9%
Profitable years (of last 10)310
Positive free cash flowNoYes
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See the full AER vs LII 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 LII's full financials →

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Frequently asked questions

Which is bigger, AER or LII?

AerCap Holdings N.V. is larger by market capitalization — $21.3B versus $19.8B.

Which grows faster, AER or LII?

Over the last five fiscal years, Lennox International Inc. grew revenue faster — 7.4%/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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AER fundamentals → · LII fundamentals → · All 1,500+ companies → · Free screener →