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HEI.A vs TDG

HEI.A: HEICO designs and manufactures highly engineered components and systems for aircraft, defense, space, medical, and electronic applications with a diversified acquisition-driven growth model. TDG: TransDigm is an aerospace and defense supplier that designs, manufactures, and sells engineered components and systems for commercial aircraft, regional aircraft, military aircraft, and business jets, generating strong margins through proprietary technology and acquisition-driven consolidation.

Side-by-side fundamentals

MetricHEI.ATDGEdge
Price as of 2026-07-22 close$244.25$1,194.70
Market cap as of 2026-07-23$39.6B$66.8B
P/E as of 2026-07-2350.1632.07TDG lower
PEG as of 2026-07-233.184.56HEI.A lower
Net margin as of 2026-07-23+16.1%+21.9%TDG higher
Gross margin as of 2026-07-23+40.1%+59.8%TDG higher
Operating margin as of 2026-07-23+23.5%+46.4%TDG higher
ROE as of 2026-07-23+17.8%+37.1%TDG higher
ROA as of 2026-07-23+8.9%+8.8%HEI.A higher
Debt / equity as of 2026-07-230.545.41HEI.A lower
Revenue growth (YoY) as of 2026-07-23+18.8%+13.3%HEI.A higher
Revenue CAGR (3y) SEC XBRL+26.6%+17.6%HEI.A higher
Dividend yield as of 2026-07-23+0.1%+7.9%TDG higher
Dividend streak (yrs) SEC XBRL50HEI.A higher
Beta as of 2026-07-231.070.92
1-year return as of 2026-07-22 close+6.0%-24.0%HEI.A higher

Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.

Last updated 2026-07-22.

Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.