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Side-by-side financial comparison of Waters Corporation (WAT) and Zscaler, Inc. (ZS). Click either name above to swap in a different company.

Waters Corporation is the larger business by last-quarter revenue ($932.4M vs $788.1M, roughly 1.2× Zscaler, Inc.). Waters Corporation runs the higher net margin — 24.2% vs -1.5%, a 25.6% gap on every dollar of revenue. On growth, Zscaler, Inc. posted the faster year-over-year revenue change (25.5% vs 6.8%). Over the past eight quarters, Zscaler, Inc.'s revenue compounded faster (22.5% CAGR vs 21.0%).

Waters Corporation is an American company headquartered in Milford, Massachusetts that provides analytical instruments and software used for chromatography, mass spectrometry, laboratory informatics, and rheometry by the life sciences, materials, and food industries.

Zscaler, Inc. is an American cloud security company based in San Jose, California. The company offers cloud-based services to protect enterprise networks and data.

WAT vs ZS — Head-to-Head

Bigger by revenue
WAT
WAT
1.2× larger
WAT
$932.4M
$788.1M
ZS
Growing faster (revenue YoY)
ZS
ZS
+18.7% gap
ZS
25.5%
6.8%
WAT
Higher net margin
WAT
WAT
25.6% more per $
WAT
24.2%
-1.5%
ZS
Faster 2-yr revenue CAGR
ZS
ZS
Annualised
ZS
22.5%
21.0%
WAT

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
WAT
WAT
ZS
ZS
Revenue
$932.4M
$788.1M
Net Profit
$225.2M
$-11.6M
Gross Margin
61.1%
76.6%
Operating Margin
29.0%
-4.6%
Net Margin
24.2%
-1.5%
Revenue YoY
6.8%
25.5%
Net Profit YoY
-2.7%
3.6%
EPS (diluted)
$3.76
$-0.07

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
WAT
WAT
ZS
ZS
Q4 25
$932.4M
$788.1M
Q3 25
$799.9M
$719.2M
Q2 25
$771.3M
$678.0M
Q1 25
$661.7M
$647.9M
Q4 24
$872.7M
$628.0M
Q3 24
$740.3M
$592.9M
Q2 24
$708.5M
$553.2M
Q1 24
$636.8M
$525.0M
Net Profit
WAT
WAT
ZS
ZS
Q4 25
$225.2M
$-11.6M
Q3 25
$148.9M
$-17.6M
Q2 25
$147.1M
$-4.1M
Q1 25
$121.4M
$-7.7M
Q4 24
$231.4M
$-12.1M
Q3 24
$161.5M
$-14.9M
Q2 24
$142.7M
$19.1M
Q1 24
$102.2M
$-28.5M
Gross Margin
WAT
WAT
ZS
ZS
Q4 25
61.1%
76.6%
Q3 25
59.0%
76.1%
Q2 25
58.3%
77.0%
Q1 25
58.2%
77.1%
Q4 24
60.1%
77.5%
Q3 24
59.3%
78.0%
Q2 24
59.3%
78.6%
Q1 24
58.9%
77.7%
Operating Margin
WAT
WAT
ZS
ZS
Q4 25
29.0%
-4.6%
Q3 25
24.0%
-4.5%
Q2 25
24.4%
-3.7%
Q1 25
22.9%
-6.2%
Q4 24
33.5%
-4.9%
Q3 24
28.5%
-4.5%
Q2 24
26.7%
-0.5%
Q1 24
21.0%
-8.7%
Net Margin
WAT
WAT
ZS
ZS
Q4 25
24.2%
-1.5%
Q3 25
18.6%
-2.4%
Q2 25
19.1%
-0.6%
Q1 25
18.3%
-1.2%
Q4 24
26.5%
-1.9%
Q3 24
21.8%
-2.5%
Q2 24
20.1%
3.5%
Q1 24
16.0%
-5.4%
EPS (diluted)
WAT
WAT
ZS
ZS
Q4 25
$3.76
$-0.07
Q3 25
$2.50
$-0.11
Q2 25
$2.47
$-0.03
Q1 25
$2.03
$-0.05
Q4 24
$3.88
$-0.08
Q3 24
$2.71
$-0.09
Q2 24
$2.40
$0.12
Q1 24
$1.72
$-0.19

Balance Sheet & Financial Strength

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

Metric
WAT
WAT
ZS
ZS
Cash + ST InvestmentsLiquidity on hand
$587.8M
$1.3B
Total DebtLower is stronger
$1.4B
Stockholders' EquityBook value
$2.6B
$2.0B
Total Assets
$5.1B
$6.5B
Debt / EquityLower = less leverage
0.55×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
WAT
WAT
ZS
ZS
Q4 25
$587.8M
$1.3B
Q3 25
$459.1M
$2.4B
Q2 25
$367.2M
$2.0B
Q1 25
$382.9M
$1.8B
Q4 24
$325.4M
$1.6B
Q3 24
$331.5M
$1.4B
Q2 24
$327.4M
$1.3B
Q1 24
$338.2M
$1.4B
Total Debt
WAT
WAT
ZS
ZS
Q4 25
$1.4B
Q3 25
Q2 25
$1.1B
Q1 25
$1.1B
Q4 24
$1.6B
$1.1B
Q3 24
$1.1B
Q2 24
$1.1B
Q1 24
$1.1B
Stockholders' Equity
WAT
WAT
ZS
ZS
Q4 25
$2.6B
$2.0B
Q3 25
$2.3B
$1.8B
Q2 25
$2.2B
$1.8B
Q1 25
$2.0B
$1.6B
Q4 24
$1.8B
$1.4B
Q3 24
$1.6B
$1.3B
Q2 24
$1.4B
$1.1B
Q1 24
$1.3B
$958.9M
Total Assets
WAT
WAT
ZS
ZS
Q4 25
$5.1B
$6.5B
Q3 25
$4.9B
$6.4B
Q2 25
$4.7B
$5.3B
Q1 25
$4.6B
$5.0B
Q4 24
$4.6B
$4.7B
Q3 24
$4.5B
$4.7B
Q2 24
$4.4B
$4.2B
Q1 24
$4.5B
$3.9B
Debt / Equity
WAT
WAT
ZS
ZS
Q4 25
0.55×
Q3 25
Q2 25
0.64×
Q1 25
0.71×
Q4 24
0.89×
0.80×
Q3 24
0.90×
Q2 24
1.04×
Q1 24
1.19×

Cash Flow & Capital Efficiency

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

Metric
WAT
WAT
ZS
ZS
Operating Cash FlowLast quarter
$164.6M
$448.3M
Free Cash FlowOCF − Capex
$431.0M
FCF MarginFCF / Revenue
54.7%
Capex IntensityCapex / Revenue
2.2%
Cash ConversionOCF / Net Profit
0.73×
TTM Free Cash FlowTrailing 4 quarters
$924.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
WAT
WAT
ZS
ZS
Q4 25
$164.6M
$448.3M
Q3 25
$187.3M
$250.6M
Q2 25
$41.1M
$211.1M
Q1 25
$259.6M
$179.4M
Q4 24
$240.1M
$331.3M
Q3 24
$204.6M
$203.6M
Q2 24
$54.5M
$173.4M
Q1 24
$262.9M
$142.1M
Free Cash Flow
WAT
WAT
ZS
ZS
Q4 25
$431.0M
Q3 25
$190.6M
Q2 25
$138.9M
Q1 25
$164.4M
Q4 24
$314.3M
Q3 24
$154.2M
Q2 24
$137.8M
Q1 24
$111.2M
FCF Margin
WAT
WAT
ZS
ZS
Q4 25
54.7%
Q3 25
26.5%
Q2 25
20.5%
Q1 25
25.4%
Q4 24
50.1%
Q3 24
26.0%
Q2 24
24.9%
Q1 24
21.2%
Capex Intensity
WAT
WAT
ZS
ZS
Q4 25
2.2%
Q3 25
8.3%
Q2 25
10.6%
Q1 25
2.3%
Q4 24
2.7%
Q3 24
8.3%
Q2 24
6.4%
Q1 24
5.9%
Cash Conversion
WAT
WAT
ZS
ZS
Q4 25
0.73×
Q3 25
1.26×
Q2 25
0.28×
Q1 25
2.14×
Q4 24
1.04×
Q3 24
1.27×
Q2 24
0.38×
9.07×
Q1 24
2.57×

Financial Flow Comparison

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

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