Equity

Is NORTHROP GRUMMAN CORP /DE/ (NOC) undervalued?

$528.18+1.77% todayNYSE · USD · last traded 2026-09-14 17:11 UTC

NORTHROP GRUMMAN CORP /DE/ trades on a P/E of 18.16 against earnings growth of -2.6% a year over the last 3 years, giving a PEG ratio of —.

Earnings figures are measured from NOC’s filed annual accounts, not estimated. PEG compares price to earnings growth alone — it says nothing about debt, cash generation, or what an acquirer would pay. Read it alongside the figures below rather than on its own.

PEG

Not available — requires positive earnings and a growth estimate.

P/E ratio18.16
earnings growth (3-year CAGR)-2.6%
PEG ratio
Measured from NOC's filed annual accounts. Trailing, not forecast.
01

What it would cost to buy NOC

Enterprise value is what it would cost to take the whole company: every share at today’s price, plus the debt an acquirer assumes, less the cash they receive. For NORTHROP GRUMMAN CORP /DE/ that is $87.92B.

Every term below is a line item from a filed statement. The numbers beside each one open the filing it came from — balance-sheet figures arrive already scaled, so there is no “in thousands” to catch you out.

142.1M shares · 10-Q cover page

market capitalisation$75.03B
total debt$15.19B
cash & equivalents$2.31B
enterprise value$87.92B
Balance-sheet terms as reported to 2026-06-30.
Enterprise-value multiples for NORTHROP GRUMMAN CORP /DE/
MeasureValue
Diluted earnings per shareto 2025-12-31$29.08
P/E ratioto 2025-12-3118.2
Earnings growth (3-year CAGR)to 2025-12-31−2.6%
PEG ratio
Market capitalisationto 2026-07-16$75.03B
Total debtto 2026-06-30$15.19B
Net debtto 2026-06-30$12.63B
Enterprise valueto 2026-06-30$87.92B
EBITDAto 2025-12-31$5.98B
Free cash flowto 2025-12-31$3.31B
EV / EBITDAto 2025-12-3114.7×
EV / Salesto 2025-12-312.1×
Free cash flow yieldto 2025-12-314.4%
Net debt / EBITDAto 2025-12-312.1×
Return on capital employedto 2025-12-3113.6%

Earnings growth is measured across NORTHROP GRUMMAN CORP /DE/’s own filed annual accounts. PEG conventionally uses forecast growth from analyst estimates; filings contain only history, so this is trailing growth and will read differently from a PEG quoted elsewhere.

Not shown, and why

PEG ratio
earnings shrank over the period measured, so dividing the P/E by growth has no meaning.
02

Against the sector

NOC against 38 listed companies sharing its classification — Surgical & Medical Instruments & Apparatus and related industries. A multiple means little on its own; the column that matters is the gap. See what aerospace and defence companies trade on.

NOC compared with the median of 38 sector peers
MeasureNOCSector medianDifference
EV / EBITDA*14.7×19.4×4.7×
EV / Sales*2.1×5.3×3.2×
Net debt / EBITDA2.1×1.6×+0.5×
Return on capital employed13.6%11.3%+2.4%
Operating margin10.8%18.6%7.8%
Free cash flow margin7.9%16.5%8.6%
Compared against

A, ALGN, AME, BAX, BDX, BSX, COHR, COO, DHR, DXCM, EW, FTV, GEHC, GRMN, ISRG, KEYS, KLAC, LHX, MDT, MMM, MTD, PODD, RMD, ROK, ROP, RVTY, SOLV, STE, SYK, TDY, TER, TMO, TRMB, TT, VLTO, WAT, WST, ZBH.

Medians are taken across peers where the measure could be computed, so the sample differs by row. Green marks the direction conventionally read as cheaper or stronger — it is a direction, not a recommendation. * Price-based multiples move with the market; peer figures are a snapshot taken 2026-09-09. The remaining rows come from filed statements and hold until the next reporting season.

03

Market ratios

Price-based ratios from market data. Anything drawn from a filed statement is in the enterprise-value section above, with its source.

Valuation and financial-health metrics for NORTHROP GRUMMAN CORP /DE/ (NOC)
MetricValue
Price$528.18
PEGY ratio
Dividend yield1.87%
Price / book
Price / sales
Return on equity27.0%
Profit margin
Operating margin
Debt / equity84.94
Current ratio
Beta-0.12
52-week range$479.02 – $774.00

Not reported for NOC: pegy ratio, price / book, price / sales, profit margin, operating margin, current ratio. A dash means the figure was not available from the source, not that it is zero.

04

Compare and chart

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05

About NOC’s valuation

What is the PEG ratio for NORTHROP GRUMMAN CORP /DE/ (NOC)?
NORTHROP GRUMMAN CORP /DE/ has a PEG ratio of —, from a P/E of 18.16 and earnings growth of -2.6% a year measured across 3 years of filed accounts. Note that PEG is conventionally quoted against forecast growth; this uses reported history, so it will differ from a PEG you see elsewhere.
Is NOC undervalued right now?
That depends on the measure. On PEG, NOC reads —. The PEG ratio compares price to earnings growth alone — it ignores debt, cash generation and asset backing, so it is a starting point rather than a conclusion. The enterprise-value measures above account for debt and cash; they often tell a different story.
What is the PEGY ratio for NOC?
The PEGY ratio for NORTHROP GRUMMAN CORP /DE/ is —. PEGY adds the dividend yield of 1.87% to the growth rate in the denominator, which gives a fairer reading of companies returning cash as income rather than growth.
Where do these NOC figures come from?
Market price and capitalisation come from live market data; earnings, growth and dividend figures come from NORTHROP GRUMMAN CORP /DE/'s published financial statements. Every derived ratio on this page shows the arithmetic that produced it.

This page describes published financial data. It is not investment advice and makes no recommendation to buy or sell NOC.