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

Automatic Data Processing is the larger business by last-quarter revenue ($5.4B vs $3.9B, roughly 1.4× Regeneron Pharmaceuticals). Regeneron Pharmaceuticals runs the higher net margin — 21.7% vs 19.8%, a 1.9% gap on every dollar of revenue. On growth, Automatic Data Processing posted the faster year-over-year revenue change (6.2% vs 2.5%). Over the past eight quarters, Regeneron Pharmaceuticals's revenue compounded faster (11.1% CAGR vs 1.0%).

Automatic Data Processing, Inc. (ADP) is an American multinational provider of cloud-based human resources management, payroll processing, and professional employer organization (PEO) services, headquartered in Roseland, New Jersey.

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.

ADP vs REGN — Head-to-Head

Bigger by revenue
ADP
ADP
1.4× larger
ADP
$5.4B
$3.9B
REGN
Growing faster (revenue YoY)
ADP
ADP
+3.6% gap
ADP
6.2%
2.5%
REGN
Higher net margin
REGN
REGN
1.9% more per $
REGN
21.7%
19.8%
ADP
Faster 2-yr revenue CAGR
REGN
REGN
Annualised
REGN
11.1%
1.0%
ADP

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
ADP
ADP
REGN
REGN
Revenue
$5.4B
$3.9B
Net Profit
$1.1B
$844.6M
Gross Margin
46.1%
Operating Margin
25.8%
22.7%
Net Margin
19.8%
21.7%
Revenue YoY
6.2%
2.5%
Net Profit YoY
10.3%
-8.0%
EPS (diluted)
$2.62
$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
ADP
ADP
REGN
REGN
Q4 25
$5.4B
$3.9B
Q3 25
$5.2B
$3.8B
Q2 25
$5.1B
$3.7B
Q1 25
$5.6B
$3.0B
Q4 24
$5.0B
$3.8B
Q3 24
$4.8B
$3.7B
Q2 24
$4.8B
$3.5B
Q1 24
$5.3B
$3.1B
Net Profit
ADP
ADP
REGN
REGN
Q4 25
$1.1B
$844.6M
Q3 25
$1.0B
$1.5B
Q2 25
$910.7M
$1.4B
Q1 25
$1.2B
$808.7M
Q4 24
$963.2M
$917.7M
Q3 24
$956.3M
$1.3B
Q2 24
$829.3M
$1.4B
Q1 24
$1.2B
$722.0M
Gross Margin
ADP
ADP
REGN
REGN
Q4 25
46.1%
Q3 25
45.2%
Q2 25
45.1%
Q1 25
47.7%
Q4 24
45.7%
Q3 24
45.5%
Q2 24
44.8%
Q1 24
47.3%
Operating Margin
ADP
ADP
REGN
REGN
Q4 25
25.8%
22.7%
Q3 25
25.3%
27.3%
Q2 25
23.2%
29.4%
Q1 25
29.2%
19.5%
Q4 24
25.0%
26.1%
Q3 24
25.6%
31.7%
Q2 24
22.8%
30.2%
Q1 24
29.4%
23.9%
Net Margin
ADP
ADP
REGN
REGN
Q4 25
19.8%
21.7%
Q3 25
19.6%
38.9%
Q2 25
17.8%
37.9%
Q1 25
22.5%
26.7%
Q4 24
19.1%
24.2%
Q3 24
19.8%
36.0%
Q2 24
17.4%
40.4%
Q1 24
22.6%
23.0%
EPS (diluted)
ADP
ADP
REGN
REGN
Q4 25
$2.62
$7.78
Q3 25
$2.49
$13.62
Q2 25
$2.23
$12.81
Q1 25
$3.06
$7.27
Q4 24
$2.35
$8.12
Q3 24
$2.34
$11.54
Q2 24
$2.01
$12.41
Q1 24
$2.88
$6.27

Balance Sheet & Financial Strength

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

Metric
ADP
ADP
REGN
REGN
Cash + ST InvestmentsLiquidity on hand
$2.5B
$8.6B
Total DebtLower is stronger
Stockholders' EquityBook value
$6.4B
$31.3B
Total Assets
$84.6B
$40.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADP
ADP
REGN
REGN
Q4 25
$2.5B
$8.6B
Q3 25
$7.9B
$8.4B
Q2 25
$7.8B
$7.5B
Q1 25
$2.7B
$8.3B
Q4 24
$2.2B
$9.0B
Q3 24
$7.3B
$9.8B
Q2 24
$3.3B
$9.8B
Q1 24
$3.3B
$10.5B
Stockholders' Equity
ADP
ADP
REGN
REGN
Q4 25
$6.4B
$31.3B
Q3 25
$6.4B
$31.0B
Q2 25
$6.2B
$29.9B
Q1 25
$5.9B
$29.4B
Q4 24
$5.1B
$29.4B
Q3 24
$5.3B
$29.3B
Q2 24
$4.5B
$28.2B
Q1 24
$4.6B
$27.0B
Total Assets
ADP
ADP
REGN
REGN
Q4 25
$84.6B
$40.6B
Q3 25
$54.3B
$40.2B
Q2 25
$53.4B
$38.2B
Q1 25
$56.4B
$37.5B
Q4 24
$64.1B
$37.8B
Q3 24
$49.5B
$37.4B
Q2 24
$54.4B
$36.1B
Q1 24
$64.2B
$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
ADP
ADP
REGN
REGN
Operating Cash FlowLast quarter
$1.1B
$1.2B
Free Cash FlowOCF − Capex
$922.0M
FCF MarginFCF / Revenue
23.7%
Capex IntensityCapex / Revenue
6.4%
Cash ConversionOCF / Net Profit
1.07×
1.39×
TTM Free Cash FlowTrailing 4 quarters
$4.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADP
ADP
REGN
REGN
Q4 25
$1.1B
$1.2B
Q3 25
$642.3M
$1.6B
Q2 25
$1.4B
$1.1B
Q1 25
$1.5B
$1.0B
Q4 24
$1.2B
$1.3B
Q3 24
$824.4M
$1.3B
Q2 24
$1.3B
$354.0M
Q1 24
$1.5B
$1.5B
Free Cash Flow
ADP
ADP
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
ADP
ADP
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
ADP
ADP
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
ADP
ADP
REGN
REGN
Q4 25
1.07×
1.39×
Q3 25
0.63×
1.11×
Q2 25
1.58×
0.82×
Q1 25
1.22×
1.29×
Q4 24
1.19×
1.38×
Q3 24
0.86×
0.96×
Q2 24
1.57×
0.25×
Q1 24
1.26×
2.09×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ADP
ADP

HCM$2.2B42%
PEO Zero Margin Benefits Pass Throughs$1.1B21%
HRO$979.3M18%
Global$709.3M13%
Interest On Funds Held For Clients$308.6M6%

REGN
REGN

Segment breakdown not available.

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