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Merck (MRK) operating margin by quarter

Merck's operating margin was 30.7% in Q3 2026 (third quarter 2026), +9.9 pts from Q4 2025. Over the last 5 quarters it ranged from 20.9% (Q4 2025) to 39.0% (Q3 2025).

Merck operating margin by quarterMerck operating margin by quarter38.0%Q1 202531.6%Q2 202539.0%Q3 202520.9%Q4 202530.7%Q3 2026
QuarterOperating marginQ/QY/Y
Q3 202630.7%+9.9 pts-8.3 pts
Q4 202520.9%-18.2 pts—
Q3 202539.0%+7.4 pts—
Q2 202531.6%-6.4 pts—
Q1 202538.0%——

Q3 2026 at a glance

Merck, Q3 2026: revenue $18.1B (+5% year over year), operating margin 30.7%, net earnings $5.1B, operating cash flow $6.6B. The chart follows the revenue to costs, profit and cash.

Questions

What is Merck's operating margin?

Merck's operating margin was 30.7% in Q3 2026 (third quarter 2026), +9.9 pts from Q4 2025.

How has Merck's operating margin changed?

Over the last 5 quarters it ranged from 20.9% (Q4 2025) to 39.0% (Q3 2025).

Q3 2026 results → · How Merck makes money →