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TDG
ACCE-researched

Transdigm Group Incorporated Common Stock (TDG) fair value

Industrials · Aerospace & Defense · NYSE · United States
$1104.84-3.23%
Market cap $63.1BNext earnings 2026-11-11Updated Oct 16, 2026
Add earnings to calendarGoogle
Our verdict
Trades 44% above our fair value
Price
$1104.84
Model fair valueConfidence: good
$766
Model range
$431 to $1157
Fair value $766
Price $1105
2 models fit Transdigm Group Incorporated Common Stock and they disagree: 0 of 2 land within 15% of the average.
Two or more of our models back this value.
Large premium(i)Bronze44
Valued as a mature, profitable company: Discounted cash flow, P/E comparison, and EV/EBITDA comparison.
ACCE opinionTransdigm Group Incorporated Common Stock (TDG)
Fair value (2 models)
$766
ACCE price target
$1233
Rating
Overvalued
Horizon
12 months
Fair value published on 17 Oct 2026, 00:00 CEST; previously $680 since 12 Oct 2026, 00:00 CEST.
ACCE price target published on 18 Oct 2026, 01:52 CEST; previously $1100 since 19 Sept 2026, 00:00 CEST.
Price used: $1105 at the close on 23 Oct 2026, 22:00 CEST.
Models: Discounted cash flow, EV/EBITDA comparison, and P/E comparison.
Fair value: the average of the applicable valuation models (discounted cash flow, multiples, residual income, dividend discount, shareholder yield), each run on the latest financial statements and the market price shown. Opinion columns (fair value, target, rating) are shown apart from the data. Full methodology: acceinvestments.com/data/how-we-value-stocks
Full methodology
Conflicts of interest: The author holds no personal position in this security. General statement
Produced by ACCE Investments (acceinvestments.com)
Data
Price vs fair value
44.2% above
-30.7% to fair value
ACCE score
50
out of 100
Analysts
52% buy
23 covering
P/E
34.6x
forward 23.1x
1-year return
-18.2%
Dividend yield
0.00%

Transdigm Group Incorporated Common Stock in four questions

Plain answers, details below
Free accounts get 5 full stock pages a month, including the four answers.
OverviewAsk ACCEValuationQualityAnalystsSmart MoneyCompareNews and Record

Overview

ACCE thesis

TransDigm manufactures and distributes engineered components and systems for commercial aircraft, military platforms, and industrial gas turbines, with a portfolio spanning landing gear, hydraulic systems, engine controls, and cabin interiors. The company's competitive moat rests on high switching costs (customers face certification delays and qualification costs to switch suppliers) and a fragmented supplier base where TransDigm often holds sole-source or preferred-vendor positions on legacy platforms. Revenue growth of 22.5% reflects a post-pandemic recovery in commercial aviation combined with elevated military spending, though much of this tailwind is cyclical rather than structural. The stock trades at 33.6x trailing earnings despite a forward multiple of 22.9x, suggesting the market is pricing in a normalization of margins or volumes that may not materialize if defense budgets remain elevated and commercial aircraft production continues to recover. At a 46% operating margin, TransDigm's cost structure and pricing power are exceptional for industrials, but the valuation leaves little room for execution missteps or a sharper-than-expected slowdown in either end market.

AI-assisted·How I use AIWritten Oct 12, 2026
⚠ Investor warnings · 4 flagsAI-assisted·How I use AI
  • high
    Earnings growth lag
    Earnings YoY +10.9% trails revenue growth +22.5% by 11.6 points, signalling margin compression or operating deleverage despite scale.
  • high
    Valuation premium to model
    Limited upside cushion.
  • moderate
    Quality score decline
    ACCE Quality subscore 58/100 is the weakest component. ROE at 0.0% suggests capital efficiency issues despite strong margins and FCF.
  • moderate
    Valuation multiple compression
    Forward P/E 22.9 vs trailing P/E 33.6 implies market expects earnings deceleration. EV/EBITDA 17.9 remains elevated for industrials.

AI research notes

AI-assisted·How I use AIWritten Oct 11, 2026 · figures from 2026-10-11 · prices to Oct 23, 2026
Why it could do well
  • Revenue grew 22.5% year over year with a 5-year average of 17.6%, showing sustained high-growth momentum.
  • Net margin of 21.3% and free cash flow of 1.5B demonstrate strong profitability and cash generation.
  • Analyst consensus targets 1448.05, implying 30.7% upside, with 52% of analysts rating Buy or Strong Buy.
Why it could disappoint
  • Trailing P/E of 33.6x and forward P/E of 22.9x leave little room for error versus sector median of 23.9x.
  • Consensus fair value of 680.09 is 38.6% below the current price of 1107.99, signaling overvaluation.
  • Negative debt to equity of -3.10 from buybacks and recaps creates refinancing risk if credit markets tighten.
Each chip shows the exact figure and where it comes from. A claim without a source is not published.

Next results

Nov 11, 2026
We update the fair value about 2 days after the results, once the new figures are filed.Add to calendarGoogle

Walk me through this stock

Plain-English pros, cons, and what to watch. Pro feature.

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Valuation

INVESTOR
Where TDG's valuation models land
Price
$1104.84
Model fair value
$766
Model range
$431 to $1157
Fair value $766
Price $1105
The price sits inside the model range.
Model
Fair value
Upside
Discounted cash flow
EV/EBITDA comparison
P/E comparison
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Quality

INVESTOR
Quality and conviction INVESTOR FEATURE

The full quality picture: a reason under every score, how the scores moved, and the conviction breakdown.

  • +A plain reason under every score
  • +Conviction breakdown and growth / value / quality / momentum scores
  • +Score history: how each score moved over time

Analysts

Wall Street consensus

Mixed52% buy · 23 covering analysts
● Strong buy 9● Buy 3● Hold 11● Sell 0● Strong sell 0
Analyst intelligence INVESTOR FEATURE

The full analyst picture: the price-target distribution against the current price, forward consensus estimates, and how ACCE's own models compare.

  • +Price-target low / average / high vs the current price, with implied upside
  • +Forward revenue and EPS consensus by fiscal year
  • +ACCE fair-value models lined up against the Street

Smart Money

PRO

In one line

Trades are only made public after a delay. We show the delay so you know how old the news is.

Company insiders
No trades filed
Last 90 days
Congress
11 buys · 1 sell
Since Apr 15, 2026, 1 member
Average delay
13 days
From trade to public filing
Full trade list on ProDo politicians beat the market? Our backtest →
Smart money tracking PRO FEATURE

Follow the informed money: 13F position changes, insider and Congress trades, and 13D activist filings.

  • +Quarter-over-quarter institutional position changes
  • +Every insider and Congress trade, with how late it was disclosed
  • +Active 13D activist filings and top holders

Compare

Where it sits vs peers

News and Record

Press releases mentioning this company

Recent performance

1 week
-3.0%
1 month
-0.0%
3 months
-10.7%
6 months
-3.8%
YTD
-16.9%
1 year
-18.2%

SEC filings

Recommendation history, last 12 months

DateTypeNewPreviousPrice
18 Oct 2026, 01:52 CESTACCE price target$1233$1100$1139
17 Oct 2026, 00:00 CESTFair value$766$680$1134
12 Oct 2026, 00:00 CESTFair value$680$822$1108
2 Oct 2026, 00:00 CESTFair value$822$732$1083
29 Sept 2026, 00:00 CESTFair value$732$743$1116
25 Sept 2026, 00:00 CESTFair value$743$730$1105
19 Sept 2026, 00:00 CESTACCE price target$1100first publication$1086
18 Sept 2026, 00:00 CESTFair value$730$740$1080
4 Sept 2026, 00:00 CESTFair value$740$757$1154
30 Aug 2026, 00:00 CESTFair value$757$844$1186

This analysis is not personalised investment advice and does not take your situation, objectives or risk tolerance into account. ACCE Investments is not an authorised investment firm.

Investing in shares carries a risk of losing capital. The value of an investment can go down as well as up.

Valuation horizon: 12 months from the publication date.

Conflicts of interest. ACCE Investments is operated by Adrien Chantreuil, who may hold personal positions in the securities analysed. Positions are declared on each security. ACCE receives no payment from the companies analysed or from any intermediary for this analysis.

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Snapshot

Growth72Value40Quality58Momentum31Total50
Valuation
Trailing P/E
34.6x
Forward P/E
23.1x
PEG
3.05
P/B
9.55x
EV / Revenue
9.2x
Book value/sh
$-177.47
Enterprise value
$91.8B
Profitability
ROE
0.0%
FCF yield
2.84%
ROIC
no data
Health and risk
Debt / equity
-3.10
Dividend yield
0.00%
Beta
0.94

Member of

ACCE Defense & Aerospace

Price

-18.7% · 1Y

Ask anything about TDG

Answered from Transdigm Group Incorporated Common Stock fundamentals + recent valuations. Every number shows its source and date.

This stock Peer Peer median weaker → stronger
P/Ebetter than 50% of peers
low 17.4x34.6xhigh 49.8x
ROEbetter than 17% of peers
low 0%0%high 35%
Div yieldbetter than 17% of peers
low 0.0%0.0%high 2.0%

Peers

Prices Oct 23, 2026
CompanyPriceFair valuevs fair valueP/EROEQualityScore
TDG Transdigm Group Incorporated Common Stock$1104.84$76644% above34.6x0.0%5850
RHM.DE Rheinmetall€1015.00€57377% above39.6x25.7%8252
BA.L BAE Systems£19.30£1256% above27.6x18.6%6152
HO.PA Thales€226.70€16537% above31.4x19.4%6950
HONA Honeywell Aerospace Inc.$163.02$14711% above49.8x0.0%5847
HWM Howmet Aerospace Inc. Common Stock$193.29--44.8x34.7%8858
NOC Northrop Grumman Corporation Common Stock$552.35$41633% above17.4x26.1%6551

Sector report card

Where TDG ranks against its sector peers on each metric.

Computing percentiles…
  • PR Newswire•Oct 14, 2026
    Othello Raises $8 Million for Real-Time AI Sales Coaching During Live Calls
  • PR Newswire•Sep 29, 2026
    Industrial Growth Partners Completes Sale of Prince & Izant to TransDigm
  • PR Newswire•Sep 28, 2026
    TransDigm Completes Acquisition of Prince & Izant
1 more press releases · full archive on Investor+.INVESTOR
40 filings
October 2026
Oct 16
Form 4Insider transactionPeriod 2026-10-15
View on SEC →
September 2026
Sep 29
8-KCurrent reportPeriod 2026-09-28
View on SEC →
Sep 28
8-KCurrent reportPeriod 2026-09-28
View on SEC →
37 more filings + AI summaries on Investor+.INVESTOR