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TransDigm Group INC (TDG)

TransDigm Group INC (TDG) stock — the fundamentals (P/E, market cap, valuation) and every material event, decoded in plain English.

TransDigm Group INC (TDG) stock — financials & valuation

Key numbers for TransDigm Group INC (TDG): P/E ratio, market cap, profit margins, returns, and whether the stock looks cheap or expensive versus its own 5-year range.

AllSight quality score: 59/100 — a percentile rank of TransDigm Group INC’s fundamentals against Manufacturing peers, weakest on valuation. A quality ranking, not a price prediction.

Market cap$59.8B
P / E31.3×
P / S6.0×
EV / EBITDA18.0×
Gross margin59.6%
Operating margin46.0%
Net margin21.3%
Return on equity-19.5%
ROIC17.1%
Revenue growth16.6%
Debt / equity-3.4×
Dividend yield8.8%

Is TransDigm Group INC overvalued? P/E looks undervalued vs its 5-year range; P/S looks undervalued vs its 5-year range; EV/EBITDA looks undervalued vs its 5-year range.

Independent of the events above — derived from TransDigm Group INC’s own financial statements and shown as context, never as advice.

Sep 29, 2026Debt refinanced
TransDigm debt refinancing closes as $3 billion notes replace 2028 maturities
Sep 28, 2026$1.066B acquisition
TransDigm closes $1.066B Prince & Izant deal as revenue outlook improves
Sep 21, 2026$240M acquisition
TransDigm buys Extant Aerospace portfolio for $240M, but economics remain undisclosed
Sep 14, 2026$2.5B debt refinancing
TransDigm proposes $2.5B secured-note refinancing, leaving terms and extra borrowing unclear
Sep 14, 2026Debt refinanced
TransDigm upsizes $3B refinancing, extending debt but adding corporate-purpose capacity
Sep 14, 2026Debt tender offer
TransDigm launches $1,008 debt tender offer, but refinancing remains conditional
Aug 4, 2026Beat
Quarter beat modestly; full-year guidance raised across the board
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