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

Zscaler, Inc. is the larger business by last-quarter revenue ($788.1M vs $350.2M, roughly 2.3× Rubrik, Inc.). Zscaler, Inc. runs the higher net margin — -1.5% vs -18.2%, a 16.8% gap on every dollar of revenue. On growth, Rubrik, Inc. posted the faster year-over-year revenue change (48.3% vs 25.5%). Zscaler, Inc. produced more free cash flow last quarter ($431.0M vs $80.7M).

Rubrik, Inc. is an American cloud data management and data security company based in Palo Alto, California, founded in January 2014. The company is listed on the New York Stock Exchange after going public in April 2024.

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.

RBRK vs ZS — Head-to-Head

Bigger by revenue
ZS
ZS
2.3× larger
ZS
$788.1M
$350.2M
RBRK
Growing faster (revenue YoY)
RBRK
RBRK
+22.8% gap
RBRK
48.3%
25.5%
ZS
Higher net margin
ZS
ZS
16.8% more per $
ZS
-1.5%
-18.2%
RBRK
More free cash flow
ZS
ZS
$350.2M more FCF
ZS
$431.0M
$80.7M
RBRK

Income Statement — Q3 FY2026 vs Q1 FY2026

Metric
RBRK
RBRK
ZS
ZS
Revenue
$350.2M
$788.1M
Net Profit
$-63.8M
$-11.6M
Gross Margin
80.5%
76.6%
Operating Margin
-21.6%
-4.6%
Net Margin
-18.2%
-1.5%
Revenue YoY
48.3%
25.5%
Net Profit YoY
51.2%
3.6%
EPS (diluted)
$-0.32
$-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
RBRK
RBRK
ZS
ZS
Q4 25
$350.2M
$788.1M
Q3 25
$309.9M
$719.2M
Q2 25
$278.5M
$678.0M
Q1 25
$258.1M
$647.9M
Q4 24
$236.2M
$628.0M
Q3 24
$205.0M
$592.9M
Q2 24
$187.3M
$553.2M
Q1 24
$525.0M
Net Profit
RBRK
RBRK
ZS
ZS
Q4 25
$-63.8M
$-11.6M
Q3 25
$-95.9M
$-17.6M
Q2 25
$-102.1M
$-4.1M
Q1 25
$-114.9M
$-7.7M
Q4 24
$-130.9M
$-12.1M
Q3 24
$-176.9M
$-14.9M
Q2 24
$-732.1M
$19.1M
Q1 24
$-28.5M
Gross Margin
RBRK
RBRK
ZS
ZS
Q4 25
80.5%
76.6%
Q3 25
79.5%
76.1%
Q2 25
78.3%
77.0%
Q1 25
77.4%
77.1%
Q4 24
76.2%
77.5%
Q3 24
73.1%
78.0%
Q2 24
48.8%
78.6%
Q1 24
77.7%
Operating Margin
RBRK
RBRK
ZS
ZS
Q4 25
-21.6%
-4.6%
Q3 25
-30.5%
-4.5%
Q2 25
-33.4%
-3.7%
Q1 25
-45.0%
-6.2%
Q4 24
-52.8%
-4.9%
Q3 24
-82.1%
-4.5%
Q2 24
-387.0%
-0.5%
Q1 24
-8.7%
Net Margin
RBRK
RBRK
ZS
ZS
Q4 25
-18.2%
-1.5%
Q3 25
-31.0%
-2.4%
Q2 25
-36.7%
-0.6%
Q1 25
-44.5%
-1.2%
Q4 24
-55.4%
-1.9%
Q3 24
-86.3%
-2.5%
Q2 24
-390.8%
3.5%
Q1 24
-5.4%
EPS (diluted)
RBRK
RBRK
ZS
ZS
Q4 25
$-0.32
$-0.07
Q3 25
$-0.49
$-0.11
Q2 25
$-0.53
$-0.03
Q1 25
$5.69
$-0.05
Q4 24
$-0.71
$-0.08
Q3 24
$-0.98
$-0.09
Q2 24
$-11.48
$0.12
Q1 24
$-0.19

Balance Sheet & Financial Strength

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

Metric
RBRK
RBRK
ZS
ZS
Cash + ST InvestmentsLiquidity on hand
$307.1M
$1.3B
Total DebtLower is stronger
Stockholders' EquityBook value
$-524.4M
$2.0B
Total Assets
$2.5B
$6.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RBRK
RBRK
ZS
ZS
Q4 25
$307.1M
$1.3B
Q3 25
$322.7M
$2.4B
Q2 25
$284.0M
$2.0B
Q1 25
$186.3M
$1.8B
Q4 24
$103.9M
$1.6B
Q3 24
$142.3M
$1.4B
Q2 24
$502.6M
$1.3B
Q1 24
$1.4B
Total Debt
RBRK
RBRK
ZS
ZS
Q4 25
Q3 25
Q2 25
$1.1B
Q1 25
$1.1B
Q4 24
$1.1B
Q3 24
$1.1B
Q2 24
$1.1B
Q1 24
$1.1B
Stockholders' Equity
RBRK
RBRK
ZS
ZS
Q4 25
$-524.4M
$2.0B
Q3 25
$-564.3M
$1.8B
Q2 25
$-556.5M
$1.8B
Q1 25
$-553.7M
$1.6B
Q4 24
$-521.1M
$1.4B
Q3 24
$-499.3M
$1.3B
Q2 24
$-514.6M
$1.1B
Q1 24
$958.9M
Total Assets
RBRK
RBRK
ZS
ZS
Q4 25
$2.5B
$6.5B
Q3 25
$2.4B
$6.4B
Q2 25
$1.5B
$5.3B
Q1 25
$1.4B
$5.0B
Q4 24
$1.3B
$4.7B
Q3 24
$1.2B
$4.7B
Q2 24
$1.2B
$4.2B
Q1 24
$3.9B
Debt / Equity
RBRK
RBRK
ZS
ZS
Q4 25
Q3 25
Q2 25
0.64×
Q1 25
0.71×
Q4 24
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
RBRK
RBRK
ZS
ZS
Operating Cash FlowLast quarter
$85.5M
$448.3M
Free Cash FlowOCF − Capex
$80.7M
$431.0M
FCF MarginFCF / Revenue
23.1%
54.7%
Capex IntensityCapex / Revenue
1.4%
2.2%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$256.8M
$924.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
RBRK
RBRK
ZS
ZS
Q4 25
$85.5M
$448.3M
Q3 25
$64.7M
$250.6M
Q2 25
$39.7M
$211.1M
Q1 25
$83.6M
$179.4M
Q4 24
$23.1M
$331.3M
Q3 24
$-27.1M
$203.6M
Q2 24
$-31.4M
$173.4M
Q1 24
$142.1M
Free Cash Flow
RBRK
RBRK
ZS
ZS
Q4 25
$80.7M
$431.0M
Q3 25
$61.2M
$190.6M
Q2 25
$36.8M
$138.9M
Q1 25
$78.0M
$164.4M
Q4 24
$18.0M
$314.3M
Q3 24
$-29.7M
$154.2M
Q2 24
$-35.0M
$137.8M
Q1 24
$111.2M
FCF Margin
RBRK
RBRK
ZS
ZS
Q4 25
23.1%
54.7%
Q3 25
19.8%
26.5%
Q2 25
13.2%
20.5%
Q1 25
30.2%
25.4%
Q4 24
7.6%
50.1%
Q3 24
-14.5%
26.0%
Q2 24
-18.7%
24.9%
Q1 24
21.2%
Capex Intensity
RBRK
RBRK
ZS
ZS
Q4 25
1.4%
2.2%
Q3 25
1.1%
8.3%
Q2 25
1.0%
10.6%
Q1 25
2.2%
2.3%
Q4 24
2.1%
2.7%
Q3 24
1.3%
8.3%
Q2 24
1.9%
6.4%
Q1 24
5.9%
Cash Conversion
RBRK
RBRK
ZS
ZS
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
9.07×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

RBRK
RBRK

Subscription And Circulation$336.4M96%
Other$12.3M4%
Software And Services$4.9M1%
Maintenance$1.5M0%

ZS
ZS

Segment breakdown not available.

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