RBRK vs ZS Stock Comparison

Rubrik and Zscaler Prices as of Oct 28, 2026 Peers: Industry group
RBRK Rubrik, Inc.
$136.14 +20.4% 1M +78.8% 1Y
Market cap
$27.35B
P/E
–
Revenue (TTM)
$1.54B
Div. yield
–
Cybersecurity Software Technology
2 wins
ZS Zscaler, Inc.
$255.80 +28.3% 1M -22.2% 1Y
Market cap
$39.60B
P/E
–
Revenue (TTM)
—
Div. yield
–
Cybersecurity Software Technology
2 wins

Head to Head

4 decided of 12

Zscaler leads on 2 of the 12 questions below (Zscaler 2, Rubrik 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionRBRKZSLeader
Larger companyMarket capitalisation $27.35B $39.60B ZS
Cheaper on earningsLower P/E, profitable companies only -107.5x -648.7x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 256.9x 56.2x ZS
Faster revenue growthRevenue growth, trailing twelve months +42.4% — –
More profitableNet margin, trailing twelve months -16.5% — –
Better return on capitalReturn on invested capital — — –
Less leveragedLower net debt / EBITDA — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +78.8% -22.2% RBRK
Better 5-year returnAnnualised price return, 5 years — -4.3%/yr –
Less volatileAnnualised volatility, 1 year 65.7% 71.1% RBRK
Higher overall scoreMean of the five percentile scores vs peers 55/100 — –

Percentile Scorecard

RBRKZS

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisRBRKZS
Valuation 50 #63 of 124 15 #105 of 124
Growth 92 #10 of 113 –
Profitability 57 #48 of 109 –
Financial Health 27 #93 of 127 32 #87 of 127
Shareholder Returns 52 #31 of 63 –
Overall 55 –
  • RBRK ranked among 137 companies in Infrastructure Software
  • ZS ranked among 137 companies in Infrastructure Software

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodRBRKZSSPY
1 month +20.4%+28.3% +0.9%
3 months +89.2%+66.4% +5.9%
6 months +153.6%+89.9% +8.5%
Year to date +78.0%+13.7% +13.3%
1 year +78.8%-22.2% +12.4%
3 years —+65.7% +88.1%
3 years, per year —+18.3% +23.5%
5 years —-19.8% +68.2%
5 years, per year —-4.3% +11.0%

Risk

MeasureRBRKZSSPY
Volatility, 1Y 65.7%71.1% 12.7%
Downside volatility, 1Y 59.5%82.4% 12.7%
Beta vs S&P 500, 1Y 1.660.95 1.00
Return / volatility, 1Y 1.20-0.31 0.98
Max drawdown, 5Y -56.1%-76.4% -25.4%
From 52-week high 0.0%-23.9% -0.9%
52-week high $136.14$336.27 $779.14
52-week low $43.81$118.05 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleRBRKZS
P/E now vs peer median -110.3xmedian 37.9x -648.7xmedian 37.9x
P/S now vs peer median 18.3xmedian 4.4x 12.4xmedian 4.4x
EV/EBITDA now vs peer median -223.0xmedian 34.5x —median 34.5x
P/FCF now vs peer median 92.8xmedian 26.6x 48.9xmedian 26.6x
P/B now vs peer median -56.5xmedian 3.4x 16.1xmedian 3.4x
PEG now vs peer median —median 1.24 —median 1.24

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsRBRKZS
Revenue $1.54B –
Gross profit $1.24B –
Operating income -$282.40M –
Net income -$254.43M –
Free cash flow $303.91M –
R&D $440.96M –
EPS (diluted) $-1.23 –
Cash & equivalents $416.17M $928.35M
Shares (diluted) 206.10M 160.22M
Enterprise value $20.58B $25.72B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricRBRKZS
P/E -110.3x -648.7x
P/FCF 92.8x 48.9x
P/Operating cash flow 83.7x –
P/S 18.3x 12.4x
P/B -56.5x 16.1x
P/Tangible book -56.5x 17.5x
EV/EBITDA -223.0x –
EV/EBIT -93.7x –
EV/Revenue 17.2x –
EV/FCF 87.1x –
EV/Operating cash flow 78.5x –
PEG (3Y EPS CAGR) – –

Growth

14 metrics
MetricRBRKZS
Revenue growth (1Y) 42.4% –
Revenue CAGR (3Y) – –
Gross profit growth (1Y) 46.6% –
Gross profit CAGR (3Y) – –
Operating income growth (1Y) 34.1% –
Operating income CAGR (3Y) – –
Net income growth (1Y) 42.7% –
Net income CAGR (3Y) – –
EPS growth (1Y) 45.8% –
EPS CAGR (3Y) – –
Operating cash flow growth (1Y) 59.7% –
Operating cash flow CAGR (3Y) – –
Free cash flow growth (1Y) 56.6% –
Free cash flow CAGR (3Y) – –

Profitability

14 metrics
MetricRBRKZS
Gross margin 80.2% –
EBITDA margin -7.7% –
Operating margin -18.3% –
Pretax margin -14.6% –
Net margin -16.5% –
FCF margin 19.7% –
Operating cash flow margin 21.9% –
Return on equity – –
Return on assets -9.1% –
Return on invested capital – –
Return on capital employed -19.8% –
Asset turnover 0.5x –
Cash conversion (OCF / net income) -1.3x –
Stock comp / revenue 22.2% –

Financial Health

11 metrics
MetricRBRKZS
Debt / assets – –
Debt / equity – –
Net debt / EBITDA – –
Debt / FCF – –
Liabilities / assets 117.5% 67.0%
Equity / assets -17.5% 33.0%
Interest coverage -65.0x –
Current ratio 1.6x 1.7x
Quick ratio 1.5x 1.6x
Cash ratio 1.3x 1.2x
Altman Z-score 4.03 –

Shareholder Returns

7 metrics
MetricRBRKZS
Dividend yield – –
Net buyback yield -0.1% –
Shareholder yield -0.1% –
Payout ratio (earnings) – –
Payout ratio (FCF) – –
Dividend growth (1Y) – –
Dividend CAGR (3Y) – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusRBRKZS
Forward P/E 256.9xFY2026 56.2xFY2027
EPS, next fiscal year $0.53FY2026 $4.55FY2027
EPS growth, next FY – +8.1%FY2027
EPS growth, the year after +41.5% +27.0%
Revenue, next fiscal year $1.78BFY2026 $4.07BFY2027
Revenue growth, next FY +34.8%FY2026 +21.5%FY2027
Revenue growth, the year after +12.1% +19.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersRBRKZS
Held by institutions 63.1% 51.4%
Institutions holding 572 734
Change in shares held, QoQ +12.3% -3.9%
Institutions buying 404 416
Institutions selling 116 236
Buyers to sellers 3.48 1.76

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

RBRKZS
RBRK 1.00 0.60
ZS 0.60 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, RBRK and ZS?

Zscaler (ZS) is the largest by market capitalisation: Rubrik (RBRK) $27.35B, Zscaler (ZS) $39.60B.

Which stock has performed better?

Over the past year Rubrik (RBRK) returned the most: Rubrik (RBRK) +78.8%, Zscaler (ZS) -22.2%. Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Rubrik (RBRK) has been the steadiest (Rubrik (RBRK) 65.7%, Zscaler (ZS) 71.1%). Volatility measures how widely the price swings, not the risk of the business.

Do RBRK and ZS move together?

Their daily returns over the past year have a correlation of 0.60, a moderate positive relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, RBRK and ZS?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Zscaler (ZS) leads on 2. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.