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Side-by-side financial comparison of S&P Global (SPGI) and Western Digital (WDC). Click either name above to swap in a different company.

S&P Global is the larger business by last-quarter revenue ($4.2B vs $3.3B, roughly 1.2× Western Digital). Western Digital runs the higher net margin — 96.0% vs 36.1%, a 60.0% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (45.5% vs 10.0%). Western Digital produced more free cash flow last quarter ($978.0M vs $919.0M). Over the past eight quarters, S&P Global's revenue compounded faster (8.4% CAGR vs -9.7%).

S&P Global Inc. is an American publicly traded corporation headquartered in Manhattan, New York. Its primary areas of business are financial information, analytics, and energy and commodities intelligence. It is the parent company of S&P Global Ratings, S&P Global Energy, S&P Global Market Intelligence, S&P Global Mobility, and the Indian credit rating agency CRISIL. It is also the majority owner of the S&P Dow Jones Indices joint venture. "S&P" is a shortening of "Standard and Poor's".

Western Digital Corporation, doing business as WD, is an American data storage company headquartered in San Jose, California. Established in 1970, the company is one of the world's largest manufacturers of hard disk drives (HDDs).

SPGI vs WDC — Head-to-Head

Bigger by revenue
SPGI
SPGI
1.2× larger
SPGI
$4.2B
$3.3B
WDC
Growing faster (revenue YoY)
WDC
WDC
+35.5% gap
WDC
45.5%
10.0%
SPGI
Higher net margin
WDC
WDC
60.0% more per $
WDC
96.0%
36.1%
SPGI
More free cash flow
WDC
WDC
$59.0M more FCF
WDC
$978.0M
$919.0M
SPGI
Faster 2-yr revenue CAGR
SPGI
SPGI
Annualised
SPGI
8.4%
-9.7%
WDC

Income Statement — Q1 FY2026 vs Q1 FY2027

Metric
SPGI
SPGI
WDC
WDC
Revenue
$4.2B
$3.3B
Net Profit
$1.5B
$3.2B
Gross Margin
50.2%
Operating Margin
48.0%
35.7%
Net Margin
36.1%
96.0%
Revenue YoY
10.0%
45.5%
Net Profit YoY
28.0%
516.3%
EPS (diluted)
$4.69
$8.20

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
SPGI
SPGI
WDC
WDC
Q3 26
$3.3B
Q2 26
$3.0B
Q1 26
$4.2B
$3.0B
Q4 25
$3.9B
$2.8B
Q3 25
$3.9B
Q2 25
$3.8B
$-1.2B
Q1 25
$3.8B
$2.3B
Q4 24
$3.6B
$4.3B
Net Profit
SPGI
SPGI
WDC
WDC
Q3 26
$3.2B
Q2 26
$1.8B
Q1 26
$1.5B
$1.8B
Q4 25
$1.1B
$1.2B
Q3 25
$1.2B
Q2 25
$1.1B
$282.0M
Q1 25
$1.1B
$520.0M
Q4 24
$879.0M
$594.0M
Gross Margin
SPGI
SPGI
WDC
WDC
Q3 26
50.2%
Q2 26
45.7%
Q1 26
45.7%
Q4 25
70.1%
43.5%
Q3 25
71.2%
Q2 25
70.2%
Q1 25
69.5%
39.8%
Q4 24
69.8%
35.4%
Operating Margin
SPGI
SPGI
WDC
WDC
Q3 26
35.7%
Q2 26
30.1%
Q1 26
48.0%
30.1%
Q4 25
42.7%
28.1%
Q3 25
43.1%
Q2 25
41.3%
Q1 25
41.8%
33.1%
Q4 24
36.4%
19.9%
Net Margin
SPGI
SPGI
WDC
WDC
Q3 26
96.0%
Q2 26
61.1%
Q1 26
36.1%
61.1%
Q4 25
28.9%
41.9%
Q3 25
30.2%
Q2 25
28.5%
-24.4%
Q1 25
28.9%
22.7%
Q4 24
24.5%
13.9%
EPS (diluted)
SPGI
SPGI
WDC
WDC
Q3 26
$8.20
Q2 26
$4.73
Q1 26
$4.69
$4.73
Q4 25
$3.76
$3.07
Q3 25
$3.86
Q2 25
$3.50
$0.72
Q1 25
$3.54
$1.42
Q4 24
$2.85
$1.63

Balance Sheet & Financial Strength

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

Metric
SPGI
SPGI
WDC
WDC
Cash + ST InvestmentsLiquidity on hand
$2.0B
Total DebtLower is stronger
$13.3B
$1.6B
Stockholders' EquityBook value
$31.3B
$9.7B
Total Assets
$60.8B
$15.0B
Debt / EquityLower = less leverage
0.43×
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SPGI
SPGI
WDC
WDC
Q3 26
$2.0B
Q2 26
$2.0B
Q1 26
$2.0B
Q4 25
$1.8B
$2.0B
Q3 25
$1.7B
Q2 25
$1.8B
$2.1B
Q1 25
$1.5B
$3.5B
Q4 24
$1.7B
$2.3B
Total Debt
SPGI
SPGI
WDC
WDC
Q3 26
$1.6B
Q2 26
$4.7B
Q1 26
$13.3B
$4.7B
Q4 25
$13.1B
$4.7B
Q3 25
$11.4B
Q2 25
$11.4B
$4.7B
Q1 25
$11.4B
$7.3B
Q4 24
$11.4B
$7.4B
Stockholders' Equity
SPGI
SPGI
WDC
WDC
Q3 26
$9.7B
Q2 26
$7.1B
Q1 26
$31.3B
$7.1B
Q4 25
$31.1B
$5.9B
Q3 25
$33.1B
Q2 25
$33.4B
$5.3B
Q1 25
$33.4B
$5.2B
Q4 24
$33.2B
$12.1B
Total Assets
SPGI
SPGI
WDC
WDC
Q3 26
$15.0B
Q2 26
$15.6B
Q1 26
$60.8B
$15.6B
Q4 25
$61.2B
$14.4B
Q3 25
$59.7B
Q2 25
$60.4B
$14.0B
Q1 25
$59.9B
$16.4B
Q4 24
$60.2B
$25.5B
Debt / Equity
SPGI
SPGI
WDC
WDC
Q3 26
0.16×
Q2 26
0.65×
Q1 26
0.43×
0.65×
Q4 25
0.42×
0.80×
Q3 25
0.34×
Q2 25
0.34×
0.89×
Q1 25
0.34×
1.42×
Q4 24
0.34×
0.61×

Cash Flow & Capital Efficiency

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

Metric
SPGI
SPGI
WDC
WDC
Operating Cash FlowLast quarter
$1.1B
Free Cash FlowOCF − Capex
$919.0M
$978.0M
FCF MarginFCF / Revenue
22.0%
29.3%
Capex IntensityCapex / Revenue
0.6%
Cash ConversionOCF / Net Profit
0.35×
TTM Free Cash FlowTrailing 4 quarters
$5.5B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SPGI
SPGI
WDC
WDC
Q3 26
$1.1B
Q2 26
$745.0M
Q1 26
Q4 25
$1.7B
$672.0M
Q3 25
$1.5B
Q2 25
$1.4B
$746.0M
Q1 25
$953.0M
$508.0M
Q4 24
$1.7B
$403.0M
Free Cash Flow
SPGI
SPGI
WDC
WDC
Q3 26
$978.0M
Q2 26
$653.0M
Q1 26
$919.0M
Q4 25
$1.7B
$599.0M
Q3 25
$1.5B
Q2 25
$1.4B
$675.0M
Q1 25
$910.0M
$379.0M
Q4 24
$1.7B
$287.0M
FCF Margin
SPGI
SPGI
WDC
WDC
Q3 26
29.3%
Q2 26
21.6%
Q1 26
22.0%
Q4 25
43.5%
21.3%
Q3 25
37.6%
Q2 25
36.9%
-58.5%
Q1 25
24.1%
16.5%
Q4 24
47.5%
6.7%
Capex Intensity
SPGI
SPGI
WDC
WDC
Q3 26
Q2 26
Q1 26
0.6%
Q4 25
1.2%
2.6%
Q3 25
1.2%
Q2 25
1.6%
-6.2%
Q1 25
1.1%
5.6%
Q4 24
0.9%
2.7%
Cash Conversion
SPGI
SPGI
WDC
WDC
Q3 26
0.35×
Q2 26
0.40×
Q1 26
Q4 25
1.54×
0.57×
Q3 25
1.28×
Q2 25
1.35×
2.65×
Q1 25
0.87×
0.98×
Q4 24
1.98×
0.68×

Financial Flow Comparison

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

Revenue Breakdown by Segment

SPGI
SPGI

Ratings$1.3B31%
Market Intelligence$1.3B31%
Energy$652.0M16%
Indices$519.0M12%
Mobility$454.0M11%

WDC
WDC

Segment breakdown not available.

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