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Side-by-side financial comparison of Western Digital (WDC) and Zoetis (ZTS). Click either name above to swap in a different company.

Western Digital is the larger business by last-quarter revenue ($3.0B vs $2.4B, roughly 1.3× Zoetis). Western Digital runs the higher net margin — 61.1% vs 25.3%, a 35.8% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (31.5% vs 3.0%). Over the past eight quarters, Zoetis's revenue compounded faster (4.4% CAGR vs -6.6%).

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).

Zoetis Inc. (/zō-EH-tis/) is an American drug company, the world's largest producer of medicine and vaccinations for pets and livestock. The company was a subsidiary of Pfizer, the world's largest drug maker, but with Pfizer's spinoff of its 83% interest in the firm it is now a completely independent company. The company directly markets its products in approximately 45 countries, and sells them in more than 100 countries. Operations outside the United States accounted for 50% of the total re...

WDC vs ZTS — Head-to-Head

Bigger by revenue
WDC
WDC
1.3× larger
WDC
$3.0B
$2.4B
ZTS
Growing faster (revenue YoY)
WDC
WDC
+28.5% gap
WDC
31.5%
3.0%
ZTS
Higher net margin
WDC
WDC
35.8% more per $
WDC
61.1%
25.3%
ZTS
Faster 2-yr revenue CAGR
ZTS
ZTS
Annualised
ZTS
4.4%
-6.6%
WDC

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
WDC
WDC
ZTS
ZTS
Revenue
$3.0B
$2.4B
Net Profit
$1.8B
$603.0M
Gross Margin
45.7%
70.2%
Operating Margin
30.1%
31.9%
Net Margin
61.1%
25.3%
Revenue YoY
31.5%
3.0%
Net Profit YoY
254.2%
3.8%
EPS (diluted)
$4.73
$1.37

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
WDC
WDC
ZTS
ZTS
Q1 26
$3.0B
Q4 25
$2.8B
$2.4B
Q3 25
$2.4B
Q2 25
$-1.2B
$2.5B
Q1 25
$2.3B
$2.2B
Q4 24
$4.3B
$2.3B
Q3 24
$4.1B
$2.4B
Q2 24
$3.8B
$2.4B
Net Profit
WDC
WDC
ZTS
ZTS
Q1 26
$1.8B
Q4 25
$1.2B
$603.0M
Q3 25
$721.0M
Q2 25
$282.0M
$718.0M
Q1 25
$520.0M
$631.0M
Q4 24
$594.0M
$581.0M
Q3 24
$493.0M
$682.0M
Q2 24
$39.0M
$624.0M
Gross Margin
WDC
WDC
ZTS
ZTS
Q1 26
45.7%
Q4 25
43.5%
70.2%
Q3 25
71.5%
Q2 25
73.6%
Q1 25
39.8%
72.0%
Q4 24
35.4%
69.5%
Q3 24
37.9%
70.6%
Q2 24
35.9%
71.7%
Operating Margin
WDC
WDC
ZTS
ZTS
Q1 26
30.1%
Q4 25
28.1%
31.9%
Q3 25
37.0%
Q2 25
36.7%
Q1 25
33.1%
36.5%
Q4 24
19.9%
31.6%
Q3 24
18.1%
36.6%
Q2 24
5.7%
33.0%
Net Margin
WDC
WDC
ZTS
ZTS
Q1 26
61.1%
Q4 25
41.9%
25.3%
Q3 25
30.0%
Q2 25
-24.4%
29.2%
Q1 25
22.7%
28.4%
Q4 24
13.9%
25.1%
Q3 24
12.0%
28.6%
Q2 24
1.0%
26.4%
EPS (diluted)
WDC
WDC
ZTS
ZTS
Q1 26
$4.73
Q4 25
$3.07
$1.37
Q3 25
$1.63
Q2 25
$0.72
$1.61
Q1 25
$1.42
$1.41
Q4 24
$1.63
$1.29
Q3 24
$1.35
$1.50
Q2 24
$0.15
$1.37

Balance Sheet & Financial Strength

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

Metric
WDC
WDC
ZTS
ZTS
Cash + ST InvestmentsLiquidity on hand
$2.0B
Total DebtLower is stronger
$4.7B
Stockholders' EquityBook value
$7.1B
$3.3B
Total Assets
$15.6B
$15.5B
Debt / EquityLower = less leverage
0.65×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
WDC
WDC
ZTS
ZTS
Q1 26
$2.0B
Q4 25
$2.0B
Q3 25
$2.1B
Q2 25
$2.1B
$1.4B
Q1 25
$3.5B
$1.7B
Q4 24
$2.3B
$2.0B
Q3 24
$1.7B
$1.7B
Q2 24
$1.9B
$1.6B
Total Debt
WDC
WDC
ZTS
ZTS
Q1 26
$4.7B
Q4 25
$4.7B
Q3 25
Q2 25
$4.7B
Q1 25
$7.3B
Q4 24
$7.4B
Q3 24
$7.4B
Q2 24
$7.4B
Stockholders' Equity
WDC
WDC
ZTS
ZTS
Q1 26
$7.1B
Q4 25
$5.9B
$3.3B
Q3 25
$5.4B
Q2 25
$5.3B
$5.0B
Q1 25
$5.2B
$4.7B
Q4 24
$12.1B
$4.8B
Q3 24
$11.6B
$5.2B
Q2 24
$10.8B
$5.0B
Total Assets
WDC
WDC
ZTS
ZTS
Q1 26
$15.6B
Q4 25
$14.4B
$15.5B
Q3 25
$15.2B
Q2 25
$14.0B
$14.5B
Q1 25
$16.4B
$14.1B
Q4 24
$25.5B
$14.2B
Q3 24
$24.8B
$14.4B
Q2 24
$24.2B
$14.2B
Debt / Equity
WDC
WDC
ZTS
ZTS
Q1 26
0.65×
Q4 25
0.80×
Q3 25
Q2 25
0.89×
Q1 25
1.42×
Q4 24
0.61×
Q3 24
0.64×
Q2 24
0.69×

Cash Flow & Capital Efficiency

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

Metric
WDC
WDC
ZTS
ZTS
Operating Cash FlowLast quarter
$893.0M
Free Cash FlowOCF − Capex
$732.0M
FCF MarginFCF / Revenue
30.7%
Capex IntensityCapex / Revenue
6.7%
Cash ConversionOCF / Net Profit
1.48×
TTM Free Cash FlowTrailing 4 quarters
$2.3B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
WDC
WDC
ZTS
ZTS
Q1 26
Q4 25
$672.0M
$893.0M
Q3 25
$938.0M
Q2 25
$746.0M
$486.0M
Q1 25
$508.0M
$587.0M
Q4 24
$403.0M
$905.0M
Q3 24
$34.0M
$951.0M
Q2 24
$366.0M
$502.0M
Free Cash Flow
WDC
WDC
ZTS
ZTS
Q1 26
Q4 25
$599.0M
$732.0M
Q3 25
$805.0M
Q2 25
$675.0M
$308.0M
Q1 25
$379.0M
$438.0M
Q4 24
$287.0M
$689.0M
Q3 24
$-62.0M
$784.0M
Q2 24
$250.0M
$370.0M
FCF Margin
WDC
WDC
ZTS
ZTS
Q1 26
Q4 25
21.3%
30.7%
Q3 25
33.5%
Q2 25
-58.5%
12.5%
Q1 25
16.5%
19.7%
Q4 24
6.7%
29.7%
Q3 24
-1.5%
32.8%
Q2 24
6.6%
15.7%
Capex Intensity
WDC
WDC
ZTS
ZTS
Q1 26
Q4 25
2.6%
6.7%
Q3 25
5.5%
Q2 25
-6.2%
7.2%
Q1 25
5.6%
6.7%
Q4 24
2.7%
9.3%
Q3 24
2.3%
7.0%
Q2 24
3.1%
5.6%
Cash Conversion
WDC
WDC
ZTS
ZTS
Q1 26
Q4 25
0.57×
1.48×
Q3 25
1.30×
Q2 25
2.65×
0.68×
Q1 25
0.98×
0.93×
Q4 24
0.68×
1.56×
Q3 24
0.07×
1.39×
Q2 24
9.38×
0.80×

Financial Flow Comparison

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

Revenue Breakdown by Segment

WDC
WDC

Cloud$2.7B89%
Client Devices$176.0M6%
Consumer$168.0M6%

ZTS
ZTS

Other$1.3B56%
Livestock$234.0M10%
Pain Sedation$209.0M9%
Other Pharmaceuticals$188.0M8%
Swine$125.0M5%
Poultry$117.0M5%
Fish$81.0M3%
Other Non Pharmaceuticals$70.0M3%
Manufactured Product Other$18.0M1%
Medicated Feed Additives$12.0M1%

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