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

Automatic Data Processing is the larger business by last-quarter revenue ($5.4B vs $74.6M, roughly 71.9× QUANTUM CORP). Automatic Data Processing runs the higher net margin — 19.8% vs -37.3%, a 57.1% gap on every dollar of revenue. On growth, Automatic Data Processing posted the faster year-over-year revenue change (6.2% vs 2.8%). Over the past eight quarters, QUANTUM CORP's revenue compounded faster (2.1% 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.

Quantum Corporation is a data storage, management, and protection company that provides technology to store, manage, archive, and protect video and unstructured data throughout the data life cycle. Their products are used by enterprises, media and entertainment companies, government agencies, data companies, and life science organizations. Quantum is headquartered in San Jose, California and has offices around the world.

ADP vs QMCO — Head-to-Head

Bigger by revenue
ADP
ADP
71.9× larger
ADP
$5.4B
$74.6M
QMCO
Growing faster (revenue YoY)
ADP
ADP
+3.4% gap
ADP
6.2%
2.8%
QMCO
Higher net margin
ADP
ADP
57.1% more per $
ADP
19.8%
-37.3%
QMCO
Faster 2-yr revenue CAGR
QMCO
QMCO
Annualised
QMCO
2.1%
1.0%
ADP

Income Statement — Q2 2026 vs Q3 2026

Metric
ADP
ADP
QMCO
QMCO
Revenue
$5.4B
$74.6M
Net Profit
$1.1B
$-27.8M
Gross Margin
46.1%
38.8%
Operating Margin
25.8%
-1.6%
Net Margin
19.8%
-37.3%
Revenue YoY
6.2%
2.8%
Net Profit YoY
10.3%
61.0%
EPS (diluted)
$2.62
$-2.03

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
QMCO
QMCO
Q4 25
$5.4B
$74.6M
Q3 25
$5.2B
$62.7M
Q2 25
$5.1B
$64.3M
Q1 25
$5.6B
$61.3M
Q4 24
$5.0B
$68.7M
Q3 24
$4.8B
$71.8M
Q2 24
$4.8B
$72.3M
Q1 24
$5.3B
$71.5M
Net Profit
ADP
ADP
QMCO
QMCO
Q4 25
$1.1B
$-27.8M
Q3 25
$1.0B
$-46.5M
Q2 25
$910.7M
$-17.2M
Q1 25
$1.2B
$-7.7M
Q4 24
$963.2M
$-75.3M
Q3 24
$956.3M
$-12.2M
Q2 24
$829.3M
$-19.9M
Q1 24
$1.2B
$-18.9M
Gross Margin
ADP
ADP
QMCO
QMCO
Q4 25
46.1%
38.8%
Q3 25
45.2%
37.6%
Q2 25
45.1%
35.3%
Q1 25
47.7%
39.6%
Q4 24
45.7%
40.6%
Q3 24
45.5%
42.7%
Q2 24
44.8%
37.4%
Q1 24
47.3%
38.2%
Operating Margin
ADP
ADP
QMCO
QMCO
Q4 25
25.8%
-1.6%
Q3 25
25.3%
-13.0%
Q2 25
23.2%
-19.6%
Q1 25
29.2%
-18.9%
Q4 24
25.0%
-11.3%
Q3 24
25.6%
-7.7%
Q2 24
22.8%
-23.3%
Q1 24
29.4%
-19.3%
Net Margin
ADP
ADP
QMCO
QMCO
Q4 25
19.8%
-37.3%
Q3 25
19.6%
-74.1%
Q2 25
17.8%
-26.8%
Q1 25
22.5%
-12.6%
Q4 24
19.1%
-109.6%
Q3 24
19.8%
-16.9%
Q2 24
17.4%
-27.5%
Q1 24
22.6%
-26.5%
EPS (diluted)
ADP
ADP
QMCO
QMCO
Q4 25
$2.62
$-2.03
Q3 25
$2.49
$-3.49
Q2 25
$2.23
$-1.87
Q1 25
$3.06
$-0.31
Q4 24
$2.35
$-15.35
Q3 24
$2.34
$-2.54
Q2 24
$2.01
$-4.15
Q1 24
$2.88
$-5.80

Balance Sheet & Financial Strength

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

Metric
ADP
ADP
QMCO
QMCO
Cash + ST InvestmentsLiquidity on hand
$2.5B
$13.2M
Total DebtLower is stronger
$75.9M
Stockholders' EquityBook value
$6.4B
$-184.2M
Total Assets
$84.6B
$149.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADP
ADP
QMCO
QMCO
Q4 25
$2.5B
$13.2M
Q3 25
$7.9B
$14.7M
Q2 25
$7.8B
$37.4M
Q1 25
$2.7B
$16.5M
Q4 24
$2.2B
$20.4M
Q3 24
$7.3B
$16.7M
Q2 24
$3.3B
$17.3M
Q1 24
$3.3B
$25.7M
Total Debt
ADP
ADP
QMCO
QMCO
Q4 25
$75.9M
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$123.0M
Q2 24
$100.9M
Q1 24
$0
Stockholders' Equity
ADP
ADP
QMCO
QMCO
Q4 25
$6.4B
$-184.2M
Q3 25
$6.4B
$-160.5M
Q2 25
$6.2B
$-114.4M
Q1 25
$5.9B
$-164.4M
Q4 24
$5.1B
$-196.6M
Q3 24
$5.3B
$-151.1M
Q2 24
$4.5B
$-140.3M
Q1 24
$4.6B
$-121.5M
Total Assets
ADP
ADP
QMCO
QMCO
Q4 25
$84.6B
$149.3M
Q3 25
$54.3B
$137.7M
Q2 25
$53.4B
$169.2M
Q1 25
$56.4B
$155.4M
Q4 24
$64.1B
$168.1M
Q3 24
$49.5B
$163.1M
Q2 24
$54.4B
$173.1M
Q1 24
$64.2B
$187.6M

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
QMCO
QMCO
Operating Cash FlowLast quarter
$1.1B
$-4.9M
Free Cash FlowOCF − Capex
$-5.6M
FCF MarginFCF / Revenue
-7.5%
Capex IntensityCapex / Revenue
0.9%
Cash ConversionOCF / Net Profit
1.07×
TTM Free Cash FlowTrailing 4 quarters
$-43.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADP
ADP
QMCO
QMCO
Q4 25
$1.1B
$-4.9M
Q3 25
$642.3M
$-15.6M
Q2 25
$1.4B
$-16.9M
Q1 25
$1.5B
$-3.3M
Q4 24
$1.2B
$-3.2M
Q3 24
$824.4M
$-15.3M
Q2 24
$1.3B
$-1.9M
Q1 24
$1.5B
$10.6M
Free Cash Flow
ADP
ADP
QMCO
QMCO
Q4 25
$-5.6M
Q3 25
$-16.0M
Q2 25
$-18.1M
Q1 25
$-3.9M
Q4 24
$-4.2M
Q3 24
$-16.9M
Q2 24
$-3.5M
Q1 24
$9.7M
FCF Margin
ADP
ADP
QMCO
QMCO
Q4 25
-7.5%
Q3 25
-25.5%
Q2 25
-28.1%
Q1 25
-6.4%
Q4 24
-6.2%
Q3 24
-23.5%
Q2 24
-4.9%
Q1 24
13.6%
Capex Intensity
ADP
ADP
QMCO
QMCO
Q4 25
0.9%
Q3 25
0.7%
Q2 25
1.9%
Q1 25
1.0%
Q4 24
1.6%
Q3 24
2.2%
Q2 24
2.2%
Q1 24
1.2%
Cash Conversion
ADP
ADP
QMCO
QMCO
Q4 25
1.07×
Q3 25
0.63×
Q2 25
1.58×
Q1 25
1.22×
Q4 24
1.19×
Q3 24
0.86×
Q2 24
1.57×
Q1 24
1.26×

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%

QMCO
QMCO

Secondary Storage Systems$30.6M41%
Service And Subscriptions$26.5M36%
Primary Storage Systems$10.1M14%
Subscriptions$4.4M6%
Royalty$1.6M2%

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