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Side-by-side financial comparison of Merck & Co. (MRK) and RTX Corporation (RTX). Click either name above to swap in a different company.

RTX Corporation is the larger business by last-quarter revenue ($22.1B vs $16.3B, roughly 1.4× Merck & Co.). RTX Corporation runs the higher net margin — 9.3% vs 0.9%, a 8.5% gap on every dollar of revenue. On growth, RTX Corporation posted the faster year-over-year revenue change (8.7% vs 4.9%). Over the past eight quarters, RTX Corporation's revenue compounded faster (5.8% CAGR vs 0.5%).

Merck & Co., Inc. is an American multinational pharmaceutical company headquartered in Rahway, New Jersey. The company does business as Merck Sharp & Dohme or MSD outside the United States and Canada. The company is ranked fourth on the list of largest biomedical companies by revenue.

RTX Corporation, formerly Raytheon Technologies Corporation, is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia. It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of intelligence services. In 2023, the company's seat in the Forbes Global 2000 was 79.

MRK vs RTX — Head-to-Head

Bigger by revenue
RTX
RTX
1.4× larger
RTX
$22.1B
$16.3B
MRK
Growing faster (revenue YoY)
RTX
RTX
+3.8% gap
RTX
8.7%
4.9%
MRK
Higher net margin
RTX
RTX
8.5% more per $
RTX
9.3%
0.9%
MRK
Faster 2-yr revenue CAGR
RTX
RTX
Annualised
RTX
5.8%
0.5%
MRK

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
MRK
MRK
RTX
RTX
Revenue
$16.3B
$22.1B
Net Profit
$141.0M
$2.1B
Gross Margin
74.2%
20.8%
Operating Margin
5.9%
Net Margin
0.9%
9.3%
Revenue YoY
4.9%
8.7%
Net Profit YoY
-9.5%
34.1%
EPS (diluted)
$1.51

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
MRK
MRK
RTX
RTX
Q1 26
$16.3B
$22.1B
Q4 25
$16.4B
$24.2B
Q3 25
$17.3B
$22.5B
Q2 25
$15.8B
$21.6B
Q1 25
$15.5B
$20.3B
Q4 24
$15.6B
$21.6B
Q3 24
$16.7B
$20.1B
Q2 24
$16.1B
$19.7B
Net Profit
MRK
MRK
RTX
RTX
Q1 26
$141.0M
$2.1B
Q4 25
$3.0B
$1.6B
Q3 25
$5.8B
$1.9B
Q2 25
$4.4B
$1.7B
Q1 25
$5.1B
$1.5B
Q4 24
$3.7B
$1.5B
Q3 24
$3.2B
$1.5B
Q2 24
$5.5B
$111.0M
Gross Margin
MRK
MRK
RTX
RTX
Q1 26
74.2%
20.8%
Q4 25
66.2%
Q3 25
77.7%
Q2 25
77.5%
Q1 25
78.0%
Q4 24
75.5%
Q3 24
75.5%
Q2 24
76.8%
Operating Margin
MRK
MRK
RTX
RTX
Q1 26
5.9%
Q4 25
20.9%
10.7%
Q3 25
39.0%
11.2%
Q2 25
31.6%
9.9%
Q1 25
38.0%
10.0%
Q4 24
26.7%
9.8%
Q3 24
24.6%
10.1%
Q2 24
37.3%
2.7%
Net Margin
MRK
MRK
RTX
RTX
Q1 26
0.9%
9.3%
Q4 25
18.1%
6.7%
Q3 25
33.5%
8.5%
Q2 25
28.0%
7.7%
Q1 25
32.7%
7.6%
Q4 24
24.0%
6.9%
Q3 24
19.0%
7.3%
Q2 24
33.9%
0.6%
EPS (diluted)
MRK
MRK
RTX
RTX
Q1 26
$1.51
Q4 25
$1.19
$1.19
Q3 25
$2.32
$1.41
Q2 25
$1.76
$1.22
Q1 25
$2.01
$1.14
Q4 24
$1.49
$1.10
Q3 24
$1.24
$1.09
Q2 24
$2.14
$0.08

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
MRK
MRK
RTX
RTX
Cash + ST InvestmentsLiquidity on hand
$6.8B
Total DebtLower is stronger
$33.2B
Stockholders' EquityBook value
$68.0B
Total Assets
$170.4B
Debt / EquityLower = less leverage
0.49×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MRK
MRK
RTX
RTX
Q1 26
$6.8B
Q4 25
$14.6B
$8.2B
Q3 25
$18.2B
$6.7B
Q2 25
$8.6B
$5.5B
Q1 25
$9.2B
$5.8B
Q4 24
$13.7B
$6.4B
Q3 24
$14.6B
$7.4B
Q2 24
$11.4B
$6.7B
Total Debt
MRK
MRK
RTX
RTX
Q1 26
$33.2B
Q4 25
$34.3B
Q3 25
$38.3B
Q2 25
$38.3B
Q1 25
$38.2B
Q4 24
$38.7B
Q3 24
$38.8B
Q2 24
$40.3B
Stockholders' Equity
MRK
MRK
RTX
RTX
Q1 26
$68.0B
Q4 25
$52.6B
$65.2B
Q3 25
$51.9B
$64.5B
Q2 25
$49.0B
$62.4B
Q1 25
$48.3B
$61.5B
Q4 24
$46.3B
$60.2B
Q3 24
$44.5B
$61.1B
Q2 24
$43.6B
$59.0B
Total Assets
MRK
MRK
RTX
RTX
Q1 26
$170.4B
Q4 25
$136.9B
$171.1B
Q3 25
$129.5B
$168.7B
Q2 25
$117.5B
$167.1B
Q1 25
$115.1B
$164.9B
Q4 24
$117.1B
$162.9B
Q3 24
$117.5B
$164.8B
Q2 24
$112.6B
$161.2B
Debt / Equity
MRK
MRK
RTX
RTX
Q1 26
0.49×
Q4 25
0.53×
Q3 25
0.59×
Q2 25
0.61×
Q1 25
0.62×
Q4 24
0.64×
Q3 24
0.64×
Q2 24
0.68×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
MRK
MRK
RTX
RTX
Operating Cash FlowLast quarter
Free Cash FlowOCF − Capex
$1.3B
FCF MarginFCF / Revenue
5.9%
Capex IntensityCapex / Revenue
2.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$8.5B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MRK
MRK
RTX
RTX
Q1 26
Q4 25
$2.9B
$4.2B
Q3 25
$7.8B
$4.6B
Q2 25
$3.3B
$458.0M
Q1 25
$2.5B
$1.3B
Q4 24
$3.5B
$1.6B
Q3 24
$9.3B
$2.5B
Q2 24
$5.6B
$2.7B
Free Cash Flow
MRK
MRK
RTX
RTX
Q1 26
$1.3B
Q4 25
$1.8B
$3.2B
Q3 25
$6.8B
$4.0B
Q2 25
$2.5B
$-72.0M
Q1 25
$1.2B
$792.0M
Q4 24
$2.5B
$492.0M
Q3 24
$8.5B
$2.0B
Q2 24
$4.8B
$2.2B
FCF Margin
MRK
MRK
RTX
RTX
Q1 26
5.9%
Q4 25
11.1%
13.2%
Q3 25
39.6%
17.9%
Q2 25
16.0%
-0.3%
Q1 25
7.5%
3.9%
Q4 24
16.1%
2.3%
Q3 24
51.1%
9.8%
Q2 24
30.1%
11.1%
Capex Intensity
MRK
MRK
RTX
RTX
Q1 26
2.5%
Q4 25
6.3%
4.0%
Q3 25
5.7%
2.7%
Q2 25
4.8%
2.5%
Q1 25
8.6%
2.5%
Q4 24
6.0%
4.9%
Q3 24
4.7%
2.7%
Q2 24
4.9%
2.7%
Cash Conversion
MRK
MRK
RTX
RTX
Q1 26
Q4 25
0.96×
2.57×
Q3 25
1.35×
2.42×
Q2 25
0.74×
0.28×
Q1 25
0.49×
0.85×
Q4 24
0.92×
1.05×
Q3 24
2.94×
1.71×
Q2 24
1.03×
24.62×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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