S&P 500 comparison · Industrials

Huntington Ingalls Industries vs TransDigm Group

Prices at close . Model readings .

Huntington Ingalls Industries

$279.26−0.73%
Month: negativeLong run: neutral

TransDigm Group

$1,136.53+0.56%
Month: negativeLong run: neutral
Price change

Price change, with the S&P 500 as a benchmark

Percent change in each close since the start of the chosen range, for both companies and the S&P 500 (SPY). Daily closes over the last year, weekly before that and monthly before five years.

In short

How the two compare

On the latest closes (28 Oct 2026), TransDigm Group is the larger company by market value ($65.24B against $11.03B). Over the past year Huntington Ingalls Industries returned −6.3% and TransDigm Group −16.1%, while the S&P 500 returned +12.7%. The latest filed P/E is 16.7 for Huntington Ingalls Industries and 35.9 for TransDigm Group, and the operating margin 6.1% against 44.8%. Over the next 21 sessions the model expects −0.32% for Huntington Ingalls Industries, with a 29% chance of a rise, and −0.33% for TransDigm Group, with a 45% chance. Huntington Ingalls Industries' long-run fair value is $289.92, a gap of +3.8% to its price; the long-run model view is neutral. TransDigm Group's long-run fair value is $1,154.31, a gap of +1.6% to its price; the long-run model view is neutral.

Model view

What the model expects

Expected returns and the chance of a rise from our forecasting models, and the long-run fair value against the price. Readings, not advice.

Model readings:
Expected returnnext 21 sessions
HII−0.32%
TDG−0.33%
Chance of a risenext 21 sessions
HII29%
TDG45%
Expected returnnext 63 sessions
HII+1.6%
TDG+1.11%
Range of outcomes63 sessions, 80% band
HII−17.1% to +20.3%
TDG−15.6% to +17.8%
Chance of a risenext 63 sessionsMembers only · see plans
Long-run fair valueintrinsic value model
HII$289.9228 Oct 2026
TDG$1,154.3128 Oct 2026
Gap to pricefair value against the close
HII+3.8%
TDG+1.6%
Past readings that matchedsign of the 21-session outcome
HII65.1%of 269
TDG59.1%of 269
Price performance

How the prices moved

Price change over each period, with the S&P 500 (SPY) for comparison.

Closes to
1 monthS&P 500: +1.1%
HII+7.6%
TDG+3.3%
6 monthsS&P 500: +8.5%
HII−22.6%
TDG−0.5%
Year to dateS&P 500: +13.3%
HII−17.3%
TDG−14.5%
1 yearS&P 500: +12.7%
HII−6.3%
TDG−16.1%
5 yearsS&P 500: +70.7%
HII+46.2%
TDG+112.5%
1 year against the S&P 500percentage points
HII−19.0 pts
TDG−28.8 pts
Position in the 52-week range0% low, 100% high
HII12%close $279.26 in $255.36 to $458.02
TDG17%close $1,136.53 in $1,071.25 to $1,463.03
Against the 200-day average
HII−16.8%
TDG−7.5%
Valuation

What the market pays

Size and the multiples from the latest filed quarter. A P/E on losses reads n/m.

Filings: quarter to (HII), (TDG)
Market value
HII$11.03B28 Oct 2026
TDG$65.24B28 Oct 2026
Enterprise valueat the last filing
HII$13.76B30 Jun 2026
TDG$106.02B27 Jun 2026
P/Elatest filed
HII16.7
TDG35.9
Price to book
HII2.08
TDG-7.76
EV / EBITDA
HII13.37
TDG22.33
Free cash flow yield
HII−0.77%
TDG2.53%
Dividend yield
HII1.95%
TDG6.96%
Questions

Huntington Ingalls Industries or TransDigm Group: common questions

Which is larger by market value, Huntington Ingalls Industries or TransDigm Group?

TransDigm Group, at $65.24B against $11.03B for Huntington Ingalls Industries, on the latest closes (28 Oct 2026).

Which has the higher P/E ratio, Huntington Ingalls Industries or TransDigm Group?

TransDigm Group has the higher latest filed P/E, 35.9; Huntington Ingalls Industries' is 16.7. Filings: quarter to 30 Jun 2026 and 27 Jun 2026.

How did Huntington Ingalls Industries and TransDigm Group move over the past year against the S&P 500?

Over the past year Huntington Ingalls Industries returned −6.3% and TransDigm Group −16.1%, while the S&P 500 returned +12.7%. Prices at close 28 Oct 2026.

What does the model expect for Huntington Ingalls Industries and TransDigm Group over the next month?

−0.32% for Huntington Ingalls Industries with a 29% chance of a rise, and −0.33% for TransDigm Group with a 45% chance, over the next 21 sessions. Model readings 28 Oct 2026. These are model readings, not advice.

How do the operating margins of Huntington Ingalls Industries and TransDigm Group compare?

The operating margin is 6.1% for Huntington Ingalls Industries and 44.8% for TransDigm Group. Filings: quarter to 30 Jun 2026 and 27 Jun 2026.

Do Huntington Ingalls Industries and TransDigm Group shares move together?

Over the past year the correlation of their daily returns was 0.20 (loosely together); 1 means they always move together, 0 unrelated, −1 opposite. Prices at close 28 Oct 2026.

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The two company pagesHuntington Ingalls Industries (HII) forecast and analysisTransDigm Group (TDG) forecast and analysis
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BrowseAll Industrials companiesAll comparisonsHow the model readings are made

Model readings are research estimates, not investment advice. Prices: daily closes. Fundamentals: the latest SEC filings. Short interest: FINRA, settlement 30 Sep 2026. A dash means the figure is not in our data; it is never shown as zero. The model view follows a published rule: next month by the sign of the expected return, the long run positive at a fair value 10% or more above the price and negative at 10% or more below it.