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Amentum Holdings (AMTM) operating margin by quarter

Amentum Holdings' operating margin was 4.9% in Q3 FY26 (third quarter fiscal 2026), +0.6 pts from Q2 FY26. Over the last 5 quarters it ranged from 3.2% (Q2 FY25) to 4.9% (Q3 FY26).

Amentum Holdings operating margin by quarterAmentum Holdings operating margin by quarter3.2%Q2 FY253.4%Q4 FY254.3%Q1 FY264.3%Q2 FY264.9%Q3 FY26
QuarterOperating marginQ/QY/Y
Q3 FY264.9%+0.6 pts—
Q2 FY264.3%+0.1 pts+1.2 pts
Q1 FY264.3%+0.8 pts—
Q4 FY253.4%+0.3 pts—
Q2 FY253.2%——

Q3 FY26 at a glance

Amentum Holdings, Q3 FY26: revenue $3.5B (-2% year over year), operating margin 4.9%, net earnings $66.0M, operating cash flow $146M. The chart follows the revenue to costs, profit and cash.

Questions

What is Amentum Holdings' operating margin?

Amentum Holdings' operating margin was 4.9% in Q3 FY26 (third quarter fiscal 2026), +0.6 pts from Q2 FY26.

How has Amentum Holdings' operating margin changed?

Over the last 5 quarters it ranged from 3.2% (Q2 FY25) to 4.9% (Q3 FY26).

Q3 FY26 results → · How Amentum Holdings makes money →