TransDigm Group Incorporated
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Range $1331 – $1695
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About the company
TransDigm Group Incorporated is a global aerospace enterprise specializing in the development, manufacturing, and distribution of a wide array of aircraft components. Operating across the United States and internationally, its business is structured around three distinct divisions. The Power & Control division focuses on critical systems, providing solutions such as electromechanical actuators and control mechanisms, engine ignition and related technologies, precision pumps and valves, power regulation equipment, specialized electric motors and generators, energy storage units, data communication and power management systems, diverse sensors, switching gear, and material handling equipment including hoists and cargo systems.
- CEO
- Michael J. Lisman
- IPO
- 2006
- Employees
- 16,500
- HQ
- Cleveland, OH, US
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Similar companies
Peers in the same neighborhood.
- Market Cap
- $61.12B
- P/E
- 33.15
- Fwd P/E
- 22.65
- PEG
- 3.52
- P/S
- 6.11
- P/B
- -5.20
- EV/EBITDA
- 18.44
- Div Yield
- 0.00%
- Gross Margin
- 59.57%
- Op Margin
- 46.19%
- Net Margin
- 21.28%
- ROE
- -21.02%
- ROIC
- 16.02%
Latest fiscal year · YoY change
- Revenue
- $8.83B+11.2%
- Gross Profit
- $5.31B+13.7%
- Op Income
- $4.17B
- Net Income
- $2.07B+21.0%
- EPS
- $32.08+25.2%
- OCF Growth
- -0.3%
- FCF Growth
- -3.4%
- 52W High
- $1463.03
- 52W Low
- $1071.25
- 50D MA
- $1179.17
- 200D MA
- $1247.45
- Beta
- 0.89
- RSI (14)
- 39
- Avg Volume
- 392.42K
Earnings call summaries
Pick a quarter — each call distilled into takeaways, results, and a bull vs bear read.
TransDigm delivered a strong fiscal Q3 with broad-based growth, 52.8% EBITDA margin, and raised full-year sales, EBITDA, EPS, and free cash flow guidance.· August 4, 2026
- Q3 revenue grew across all three channels: commercial OEM, commercial aftermarket, and defense.
- EBITDA As Defined margin was 52.8% in Q3, helped by higher volumes despite more than 2 points of acquisition dilution.
- Management raised full-year guidance, including sales to a $10.51 billion midpoint, EBITDA As Defined to $5.52 billion, and adjusted EPS to $41.04.
- Commercial aftermarket growth was strong at 17% overall and 18% in commercial transport, with no material impact yet from Middle East-related RPM declines.
- The company ended with nearly $2.8 billion of cash, free cash flow guidance was lifted to about $2.6 billion, and it continues to pursue M&A while remaining disciplined.
Q3 organic growth was approximately 13%. Commercial OEM revenue increased approximately 17% year over year, commercial aftermarket revenue increased approximately 17%, and defense revenue grew approximately 11%. EBITDA As Defined margin was 52.8% in the quarter, and management said this included more than 2 full percentage points of dilution from recent acquisitions. Free cash flow was approximately $870 million in Q3 and $2.1 billion year to date. The company ended the quarter with nearly $2.8 billion in cash and net debt-to-EBITDA of 5.8x. For fiscal 2026, TransDigm raised midpoint revenue guidance by $150 million to $10.51 billion, raised EBITDA As Defined guidance by $100 million to $5.52 billion with an expected margin of around 52.5%, raised adjusted EPS guidance to $41.04, and increased free cash flow guidance to about $2.6 billion from $2.5 billion. Management expects commercial OEM growth in the mid-teens, commercial aftermarket growth in the low-double-digit range, and defense growth in the high-single-digit to low-double-digit range.
Mike Lisman framed the quarter as evidence that TransDigm’s long-term model is working: proprietary products, aftermarket exposure, decentralized operations, and disciplined capital allocation. He said the company is seeing healthy growth across commercial OEM, commercial aftermarket, and defense, and emphasized that the business is performing well even with recent Middle East-related RPM declines and the withdrawal from Stellant. His tone was confident and steady, with repeated emphasis on discipline, flexibility, and continued M&A activity within aerospace and defense.
Sarah Wynne highlighted that free cash flow was approximately $870 million in Q3 and $2.1 billion year to date, with full-year free cash flow now expected to be closer to $2.6 billion. She noted net working capital used about $160 million of cash in the quarter, the quarter-end cash balance was $2.8 billion, and net debt-to-EBITDA was 5.8x, which she said leaves ample liquidity for the pending Prince & Izant acquisition. She also pointed to about $980 million of Q3 share repurchases at an average price of approximately $1,208 per share, bringing year-to-date repurchases to $1.8 billion, and said roughly 75% of the $33.7 billion gross debt balance is fixed through fiscal 2029.
Analysts focused on the Stellant withdrawal, the potential impact of right-to-repair legislation on defense, the durability of aftermarket strength versus flight activity, and whether the company may broaden its acquisition focus beyond aerospace and defense. Management said the DOJ challenge to Stellant was a one-off and does not change its appetite for defense M&A, and they reiterated that the pipeline remains active in both commercial and defense. On aftermarket, they said current bookings and backlog support the year, but it is hard to predict several quarters out; on right-to-repair, they said it is too early to comment because the bill is still evolving. Management also said the core focus remains aerospace and defense, though broader industrial targets are not impossible over time.
The bull case from this call is that TransDigm is still generating broad-based double-digit growth while maintaining exceptional margins, with Q3 EBITDA As Defined margin at 52.8% and full-year margin guidance around 52.5%. Management is also seeing strong bookings in commercial OEM and aftermarket, continued defense growth, and a healthy pipeline of acquisitions, including Prince & Izant. Cash generation remains strong and capital allocation is flexible, with room for both buybacks and more M&A.
The main risks discussed were that Q4 margin is expected to be lower than Q3, recent acquisitions are diluting margins by more than 2 points, and management is still early in integrating Jet Parts and Victor Sierra. There is also uncertainty around how the Middle East conflict could affect RPMs and aftermarket demand later, even though no material slowdown has shown up yet. In addition, the Stellant withdrawal and possible right-to-repair legislation show that regulatory and M&A execution risks remain part of the story.
AI summary of the company's earnings call · Paraphrased · Not investment advice
- Free Float
- 98.7%
- Shares Outstanding
- 55.93M
- Float Shares
- 55.23M
of shares held by institutions
1,179 13F filers
Congressional trading
Senate and House stock disclosures for TDG, newest first.
| Member | Type | Traded | |
|---|---|---|---|
| April DelaneyHouse · MD06 | Sell | Aug 25, 26 | Filing → |
| April McClain DelaneyHouse · MD06 | Buy | Jul 28, 26 | Filing → |
| Alan ArmstrongSenate | Buy | Mar 27, 26 | Filing → |
| April McClain DelaneyHouse · MD06 | Buy | May 7, 26 | Filing → |
| April McClain DelaneyHouse · MD06 | Buy | May 13, 26 | Filing → |
| April McClain DelaneyHouse · MD06 | Buy | May 22, 26 | Filing → |
| April McClain DelaneyHouse · MD06 | Buy | May 8, 26 | Filing → |
| April McClain DelaneyHouse · MD06 | Buy | May 21, 26 | Filing → |
| April McClain DelaneyHouse · MD06 | Buy | Apr 17, 26 | Filing → |
| April McClain DelaneyHouse · MD06 | Buy | Apr 29, 26 | Filing → |
| April McClain DelaneyHouse · MD06 | Buy | Apr 16, 26 | Filing → |
| April McClain DelaneyHouse · MD06 | Buy | Apr 20, 26 | Filing → |
| April McClain DelaneyHouse · MD06 | Buy | Apr 15, 26 | Filing → |
| Gilbert Ray CisnerosHouse · CA31 | Sell | Mar 25, 26 | Filing → |
Source: public STOCK Act disclosures. Filed weeks after the trade — a lagging signal, not a real-time one.
Top institutional holders
Largest 13F positions, with quarter-over-quarter change.
| Holder | Shares | Δ Quarter |
|---|---|---|
| Vanguard Group Inc | 6.80M | ▼ 15.40K |
| Capital International Investors | 5.06M | ▼ 432.01K |
| Blackrock, Inc. | 4.87M | ▲ 270.25K |
| Capital World Investors | 4.27M | ▼ 392.38K |
| Vanguard Capital Management LLC | 3.65M | ▼ 16.22K |
| Capital Research Global Investors | 3.12M | ▼ 24.02K |
| Vanguard Portfolio Management LLC | 2.58M | ▲ 7.91K |
| State Street Corp | 2.56M | ▲ 42.49K |
| Principal Financial Group Inc | 1.71M | ▼ 304.65K |
| Geode Capital Management, LLC | 1.29M | ▲ 9.94K |
| Fmr LLC | 1.09M | ▼ 267.00K |
| Soroban Capital Partners LP | 898.20K | ▲ 42.00K |
Held by 1,442 ETFs
Biggest fund positions in TDG by dollar value.
Recent insider transactions
Who's buying, who's selling, and how much.
| Date | Insider | Type | Shares |
|---|---|---|---|
| Sep 18, 26 | SMALL ROBERT J | other | 0 |
| Sep 18, 26 | Palmer Peter | other | 34 |
| Sep 18, 26 | Howley W Nicholas | other | 126 |
| Sep 18, 26 | Krasik Irina Igorevna | other | 13 |
| Sep 18, 26 | SMALL ROBERT J | other | 52 |
| Sep 18, 26 | Santana Michele | other | 34 |
| Sep 18, 26 | MCCULLOUGH GARY E | other | 41 |
| Sep 18, 26 | HENNESSY SEAN P | other | 46 |
| Sep 18, 26 | Graff Michael | other | 34 |
| Sep 18, 26 | CRONIN JANE M. | other | 34 |
A “Sell” may be a pre-scheduled 10b5-1 plan sale rather than a discretionary decision — read insider selling with that in mind.
Our TDG coverage
Recent articles, reports, and earnings notes.

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Industrial Growth Partners Completes Sale of Prince & Izant to TransDigm
prnewswire.com · Sep 29
TransDigm closes Prince Izant deal for $1.066 billion
defenseworld.net · Sep 29
TransDigm Completes Acquisition of Prince & Izant
gurufocus.com · Sep 28
TransDigm Completes Acquisition of Prince & Izant
prnewswire.com · Sep 28
Why Investors Need to Take Advantage of These 2 Aerospace Stocks Now
zacks.com · Sep 21
Can Rising Defense Demand Strengthen TransDigm's Growth Outlook?
zacks.com · Sep 18
Transdigm Group (NYSE:TDG) Reaches New 1-Year Low – Here’s What Happened
defenseworld.net · Sep 16
HB Wealth Management LLC Sells 543 Shares of Transdigm Group Incorporated $TDG
defenseworld.net · Sep 7
Headlines from third-party outlets — TickerSpark isn't affiliated with these sources.