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Northrop Grumman Corp

NOCNYSESearch, Detection, Navigation, Guidance, Aeronautical SysFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Oct 20, 2026Score 18/3014% below fair value
$555.32−2.22 (-0.40%)

Close on Nov 2, 2026Market cap $78.89BP/E 17.6Yield 1.62%

Northrop Grumman Defense Systems by Quarter

Defense Systems — Published Segment Operating Margin Rate (%)

QuarterlyAnnual

Northrop Grumman Defense Systems: 10.8% in Q3 2026, down 0.6 pts from a year earlier.

Latest, Q3 2026
10.8%
Period ended Sep 30, 2026
Change on a year earlier
-0.6 pts
11.4% in Q3 2025
History
31 quarters
Since Q1 2019
Sources
27
Documents cited below

Where the Q3 2026 figure comes from

“|| Operating margin rate | 10.8 | % | 11.4 | % | 9.4 | % | 11.4 | %”

Source: NOC Form 8-K Earnings Release (Item 2.02) (filed 2026-10-20) ↗

Reported in Form 8-K Schedule 4 / Form 10-Q & 10-K.

Quarterly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedDefense Systems — Published Segment Operating Margin Rate (%)Year on yearSource
Q3 2026Sep 30, 202610.8%-0.6 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2026-10-20) ↗
Q2 2026Jun 30, 20267.5%-5.2 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2026-07-21) ↗
Q1 2026Mar 31, 20269.7%-0.2 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2026-04-21) ↗
Q4 2025Dec 31, 20259.5%-0.9 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2026-01-27) ↗
Q3 2025Sep 30, 202511.4%+2.5 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2026-10-20) ↗
Q2 2025Jun 30, 202512.7%+2.4 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2026-07-21) ↗
Q1 2025Mar 31, 20259.9%+0.9 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2026-04-21) ↗
Q4 2024Dec 31, 202410.4%+0.4 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2026-01-27) ↗
Q3 2024Sep 30, 20248.9%-0.9 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2025-10-21) ↗
Q2 2024Jun 30, 202410.3%-1.4 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2025-07-22) ↗
Q1 2024Mar 31, 20249.0%-2.6 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2025-04-22) ↗
Q4 2023Dec 31, 202310.0%-1.0 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2025-01-30) ↗
Q3 2023Sep 30, 20239.8%-1.9 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2024-10-24) ↗
Q2 2023Jun 30, 202311.7%-1.3 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2024-07-25) ↗
Q1 2023Mar 31, 202311.6%-0.5 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2024-04-25) ↗
Q4 2022Dec 31, 202211.0%-1.1 ptsNOC Form 8-K Earnings Release (Item 2.02) (filed 2024-01-25) ↗

Breakdown

What makes up defense Systems

Cite this data

StockData. (2026). Northrop Grumman Defense Systems (%), quarterly Q1 2019–Q3 2026 [Data set]. Compiled from Northrop Grumman SEC filings and investor materials. https://stockdatahq.com/stocks/noc/kpis/margin-ds-pct

See every metric in the Northrop Grumman KPI table. Data updated Nov 1, 2026.