TransDigm Group (TDG -1.28%), a leading supplier of proprietary aerospace components, reported earnings for Q3 FY2025 on August 5, 2025. Headline results showed revenue of $2,237 million and non-GAAP (adjusted) earnings per share of $9.60, both falling short of analyst expectations. Analysts had forecast GAAP revenue of $2,297.93 million and non-GAAP earnings per share of $9.89. Despite this shortfall, profit margins, as measured by non-GAAP EBITDA As Defined margin, reached a record high of 54.4%, and Updated guidance suggested improved profitability going forward, even as management trimmed full-year revenue projections. The quarter overall reflected strong execution on costs and strategic capital moves in the face of distinct market challenges.
| Metric | Q3 2025 | Q3 2025 Estimate | Q3 2024 | Y/Y Change |
|---|---|---|---|---|
| EPS (Non-GAAP) | $9.60 | $9.89 | $9.00 | 6.7% |
| Revenue (GAAP) | $2,237 million | $2,297.93 million | $2,046 million | 9.3% |
| Net Income (GAAP) | $493 million | $461 million | 6.9% | |
| EBITDA As Defined | $1,217 million | $1,091 million | 11.6% | |
| EBITDA As Defined Margin | 54.4% | 53.3% | 1.1 pp |
Source: Analyst estimates provided by FactSet. Management expectations based on management's guidance, as provided in Q2 2025 earnings report.
Company Overview and Recent Focus
TransDigm Group is a major manufacturer of highly engineered, proprietary aerospace components. Its product lines cover a wide range of items essential for airplanes, such as pumps, valves, cockpit controls, power conversion equipment, and safety devices. About 90% of net sales in FY2024 came from proprietary products, which are found on almost every active commercial and military aircraft.
The company’s business model centers on two key strengths: a high proportion of revenue from aftermarket sales -- that is, selling replacement parts and maintenance items after the original sale -- and an ongoing strategy of acquiring businesses with strong aftermarket potential. About 55% of net sales in FY2024 were from the aftermarket, where demand is driven by aircraft repairs and maintenance over long service lives. Recent focus has also included selective acquisitions and managing complex regulatory environments required for aviation component suppliers.
Quarter in Review: Results, Segment Trends, and Strategic Moves
TransDigm Group’s results for the quarter showed a mix of margin strength and some top-line pressures. GAAP revenue of $2.24 billion grew 9.3% over the prior-year period. However, this missed consensus by $60.9 million—a 2.65% shortfall. Management attributed most of this miss to softer commercial original equipment manufacturer (OEM) sales, citing lower aircraft build rates at manufacturers and inventory reductions downstream. While commercial transport orders remained stable in the OEM segment, business jet and helicopter demand was weaker in the prior quarter.
Despite the sales miss, TransDigm expanded its profitability. EBITDA As Defined, a non-GAAP measure of cash earnings before interest and key adjustments, rose 11.5% to $1.22 billion. The non-GAAP EBITDA As Defined margin improved by 1.1 points year over year to 54.4%. Management highlighted this margin expansion, noting that it occurred even with a 0.7 percentage point headwind from last year’s acquisitions, and was achieved in an environment of mixed demand and higher financial costs. EBITDA As Defined is a non-GAAP financial measure.
The commercial aftermarket segment, which makes up the most profitable portion of TransDigm’s revenue base, continued to stand out. All four aftermarket submarkets—engine, passenger, interior, and freight replacement parts—posted year-over-year growth in the prior quarter. Engine and freight components were especially strong, exceeding the 13% overall growth in aftermarket sales. The interior submarket, while positive, is still below pre-pandemic levels. Order trends and point-of-sale data from distribution partners suggest bookings remained solid, and management reaffirmed its full-year guidance for high single-digit to low double-digit commercial aftermarket revenue growth.
Defense bookings outpaced sales in the prior quarter, indicating a likely continuation of this trajectory into the coming period. Management noted that demand was spread across product types and customer groups, reflecting the diversification of the defense segment.
Several important deals shaped the quarter. TransDigm completed its acquisition of Servotronics, a supplier of specialty electromechanical components, and agreed to acquire Simmonds Precision Products from RTX Corporation for approximately $765 million in cash. These acquisitions align with TransDigm’s focus on highly engineered, proprietary, and aftermarket-rich businesses, bringing total deployed and pending capital for the year to more than $900 million. The company maintained an active merger and acquisition (M&A) pipeline, noting several deals in various stages but also emphasizing discipline on price -- having elected not to pursue opportunities that would not meet targeted returns.
Another focus was capital allocation. TransDigm repurchased 105,567 shares for $131 million at an average purchase price of roughly $1,241 per share. Year to date (9M FY2025), $500 million has been allocated to buybacks. On the financing front, management refinanced $2.65 billion of debt, extending maturities and securing a new 6.375% coupon on senior notes due 2033. The company ended the quarter with $2.79 billion in cash and a net debt-to-EBITDA ratio of 5.1 as of the prior quarter, providing flexibility for future capital commitments. It does not currently pay a dividend.
Looking Ahead: Guidance and Areas to Watch
Management updated its financial outlook for fiscal 2025. Full-year GAAP revenue guidance was trimmed by $60 million at the midpoint to a range of $8.76–$8.82 billion, reflecting the anticipated continued weakness in commercial OEM. However, margin-related guidance improved: the company increased its expected non-GAAP EBITDA As Defined by $40 million and nudged the target midpoint for non-GAAP adjusted earnings per share guidance upward by $0.27. The expected non-GAAP EBITDA As Defined margin now sits at about 53.8%.
Underlying this forecast are several assumptions: commercial aftermarket revenue is expected to rise in the high single-digit to low double-digit range; defense sales are expected to grow at a similar rate; and commercial OEM growth is projected to be flat to up in the low single digits. Management added that it intentionally built some conservatism into second-half margin forecasts due to possible product mix shifts and moderation in the aftermarket. Notably, the company continues to face a substantial interest expense burden, with $397 million recorded in the quarter, offset in part by refinancing actions. No clear quantitative guidance was provided for upcoming quarters beyond the fiscal year range. TransDigm Group does not currently pay a dividend.
Revenue and net income presented using U.S. generally accepted accounting principles (GAAP) unless otherwise noted.
