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Side-by-side financial comparison of EOG Resources (EOG) and Regeneron Pharmaceuticals (REGN). Click either name above to swap in a different company.

EOG Resources is the larger business by last-quarter revenue ($5.6B vs $3.9B, roughly 1.5× Regeneron Pharmaceuticals). Regeneron Pharmaceuticals runs the higher net margin — 21.7% vs 12.4%, a 9.3% gap on every dollar of revenue. On growth, Regeneron Pharmaceuticals posted the faster year-over-year revenue change (2.5% vs 0.9%). Over the past eight quarters, Regeneron Pharmaceuticals's revenue compounded faster (11.1% CAGR vs -4.0%).

EOG Resources, Inc. is an American energy company engaged in hydrocarbon exploration. It is organized in Delaware and headquartered in the Heritage Plaza building in Houston, Texas.

Regeneron Pharmaceuticals, Inc. is an American biotechnology company headquartered in Westchester County, New York. The company was founded in 1988. Originally focused on neurotrophic factors and their regenerative capabilities, giving rise to its present name; the company has since expanded operations into the study of both cytokine and tyrosine kinase receptors, which gave rise to their first product, which is a VEGF-trap.

EOG vs REGN — Head-to-Head

Bigger by revenue
EOG
EOG
1.5× larger
EOG
$5.6B
$3.9B
REGN
Growing faster (revenue YoY)
REGN
REGN
+1.6% gap
REGN
2.5%
0.9%
EOG
Higher net margin
REGN
REGN
9.3% more per $
REGN
21.7%
12.4%
EOG
Faster 2-yr revenue CAGR
REGN
REGN
Annualised
REGN
11.1%
-4.0%
EOG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
EOG
EOG
REGN
REGN
Revenue
$5.6B
$3.9B
Net Profit
$701.0M
$844.6M
Gross Margin
Operating Margin
16.7%
22.7%
Net Margin
12.4%
21.7%
Revenue YoY
0.9%
2.5%
Net Profit YoY
-44.0%
-8.0%
EPS (diluted)
$1.31
$7.78

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
EOG
EOG
REGN
REGN
Q4 25
$5.6B
$3.9B
Q3 25
$5.8B
$3.8B
Q2 25
$5.5B
$3.7B
Q1 25
$5.7B
$3.0B
Q4 24
$5.6B
$3.8B
Q3 24
$6.0B
$3.7B
Q2 24
$6.0B
$3.5B
Q1 24
$6.1B
$3.1B
Net Profit
EOG
EOG
REGN
REGN
Q4 25
$701.0M
$844.6M
Q3 25
$1.5B
$1.5B
Q2 25
$1.3B
$1.4B
Q1 25
$1.5B
$808.7M
Q4 24
$1.3B
$917.7M
Q3 24
$1.7B
$1.3B
Q2 24
$1.7B
$1.4B
Q1 24
$1.8B
$722.0M
Operating Margin
EOG
EOG
REGN
REGN
Q4 25
16.7%
22.7%
Q3 25
31.4%
27.3%
Q2 25
31.9%
29.4%
Q1 25
32.8%
19.5%
Q4 24
28.5%
26.1%
Q3 24
35.0%
31.7%
Q2 24
35.4%
30.2%
Q1 24
37.1%
23.9%
Net Margin
EOG
EOG
REGN
REGN
Q4 25
12.4%
21.7%
Q3 25
25.2%
38.9%
Q2 25
24.6%
37.9%
Q1 25
25.8%
26.7%
Q4 24
22.4%
24.2%
Q3 24
28.0%
36.0%
Q2 24
28.0%
40.4%
Q1 24
29.2%
23.0%
EPS (diluted)
EOG
EOG
REGN
REGN
Q4 25
$1.31
$7.78
Q3 25
$2.70
$13.62
Q2 25
$2.46
$12.81
Q1 25
$2.65
$7.27
Q4 24
$2.25
$8.12
Q3 24
$2.95
$11.54
Q2 24
$2.95
$12.41
Q1 24
$3.10
$6.27

Balance Sheet & Financial Strength

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

Metric
EOG
EOG
REGN
REGN
Cash + ST InvestmentsLiquidity on hand
$3.4B
$8.6B
Total DebtLower is stronger
Stockholders' EquityBook value
$29.8B
$31.3B
Total Assets
$51.8B
$40.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
EOG
EOG
REGN
REGN
Q4 25
$3.4B
$8.6B
Q3 25
$3.5B
$8.4B
Q2 25
$5.2B
$7.5B
Q1 25
$6.6B
$8.3B
Q4 24
$7.1B
$9.0B
Q3 24
$6.1B
$9.8B
Q2 24
$5.4B
$9.8B
Q1 24
$5.3B
$10.5B
Stockholders' Equity
EOG
EOG
REGN
REGN
Q4 25
$29.8B
$31.3B
Q3 25
$30.3B
$31.0B
Q2 25
$29.2B
$29.9B
Q1 25
$29.5B
$29.4B
Q4 24
$29.4B
$29.4B
Q3 24
$29.6B
$29.3B
Q2 24
$29.2B
$28.2B
Q1 24
$28.6B
$27.0B
Total Assets
EOG
EOG
REGN
REGN
Q4 25
$51.8B
$40.6B
Q3 25
$52.2B
$40.2B
Q2 25
$46.3B
$38.2B
Q1 25
$47.0B
$37.5B
Q4 24
$47.2B
$37.8B
Q3 24
$46.2B
$37.4B
Q2 24
$45.2B
$36.1B
Q1 24
$44.8B
$34.4B

Cash Flow & Capital Efficiency

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

Metric
EOG
EOG
REGN
REGN
Operating Cash FlowLast quarter
$2.6B
$1.2B
Free Cash FlowOCF − Capex
$922.0M
FCF MarginFCF / Revenue
23.7%
Capex IntensityCapex / Revenue
6.4%
Cash ConversionOCF / Net Profit
3.73×
1.39×
TTM Free Cash FlowTrailing 4 quarters
$4.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
EOG
EOG
REGN
REGN
Q4 25
$2.6B
$1.2B
Q3 25
$3.1B
$1.6B
Q2 25
$2.0B
$1.1B
Q1 25
$2.3B
$1.0B
Q4 24
$2.8B
$1.3B
Q3 24
$3.6B
$1.3B
Q2 24
$2.9B
$354.0M
Q1 24
$2.9B
$1.5B
Free Cash Flow
EOG
EOG
REGN
REGN
Q4 25
$922.0M
Q3 25
$1.4B
Q2 25
$925.4M
Q1 25
$815.8M
Q4 24
$1.1B
Q3 24
$1.0B
Q2 24
$173.5M
Q1 24
$1.4B
FCF Margin
EOG
EOG
REGN
REGN
Q4 25
23.7%
Q3 25
37.8%
Q2 25
25.2%
Q1 25
26.9%
Q4 24
28.1%
Q3 24
28.2%
Q2 24
4.9%
Q1 24
43.8%
Capex Intensity
EOG
EOG
REGN
REGN
Q4 25
6.4%
Q3 25
5.4%
Q2 25
6.0%
Q1 25
7.6%
Q4 24
5.3%
Q3 24
6.5%
Q2 24
5.1%
Q1 24
4.3%
Cash Conversion
EOG
EOG
REGN
REGN
Q4 25
3.73×
1.39×
Q3 25
2.11×
1.11×
Q2 25
1.51×
0.82×
Q1 25
1.56×
1.29×
Q4 24
2.21×
1.38×
Q3 24
2.14×
0.96×
Q2 24
1.71×
0.25×
Q1 24
1.62×
2.09×

Financial Flow Comparison

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

Revenue Breakdown by Segment

EOG
EOG

Oil And Condensate$3.0B53%
Natural Gas Gathering Transportation Marketing And Processing$1.1B20%
Natural Gas Production$847.0M15%
Natural Gas Liquids Reserves$666.0M12%
Other Net$20.0M0%

REGN
REGN

Segment breakdown not available.

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