FTNT vs RBRK vs ZS Stock Comparison

Fortinet, Rubrik and Zscaler Prices as of Oct 29, 2026 Peers: Industry group
FTNT Fortinet, Inc.
$139.10 -20.9% 1M +65.2% 1Y
Market cap
$99.50B
P/E
43.6x
Revenue (TTM)
$7.88B
Div. yield
–
Cybersecurity Software Technology
4 wins
RBRK Rubrik, Inc.
$133.66 +16.5% 1M +85.8% 1Y
Market cap
$25.60B
P/E
–
Revenue (TTM)
$1.54B
Div. yield
–
Cybersecurity Software Technology
3 wins
ZS Zscaler, Inc.
$247.82 +24.9% 1M -22.8% 1Y
Market cap
$38.06B
P/E
–
Revenue (TTM)
—
Div. yield
–
Cybersecurity Software Technology

Head to Head

7 decided of 12

Fortinet leads on 4 of the 12 questions below (Fortinet 4, Rubrik 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionFTNTRBRKZSLeader
Larger companyMarket capitalisation $99.50B $25.60B $38.06B FTNT
Cheaper on earningsLower P/E, profitable companies only 43.6x -100.6x -628.5x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 38.9x 252.2x 54.5x FTNT
Faster revenue growthRevenue growth, trailing twelve months +20.2% +42.4% — RBRK
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% 0.00% –
Better 1-year returnPrice return, last 12 months +65.2% +85.8% -22.8% RBRK
Better 5-year returnAnnualised price return, 5 years +15.6%/yr — -4.9%/yr FTNT
Less volatileAnnualised volatility, 1 year 48.8% 65.5% 71.2% FTNT
Higher overall scoreMean of the five percentile scores vs peers 55/100 55/100 — RBRK

Percentile Scorecard

FTNTRBRKZS

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

AxisFTNTRBRKZS
Valuation 42 #73 of 124 50 #63 of 124 16 #104 of 124
Growth 67 #38 of 113 92 #10 of 113 –
Profitability 97 #4 of 109 57 #48 of 109 –
Financial Health 14 #109 of 127 27 #93 of 127 32 #87 of 127
Shareholder Returns – 50 #32 of 63 –
Overall 55 55 –
  • FTNT ranked among 137 companies in Infrastructure Software
  • 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

PeriodFTNTRBRKZSSPY
1 month -20.9%+16.5%+24.9% +0.7%
3 months -9.8%+86.9%+67.0% +3.7%
6 months +65.0%+151.3%+89.6% +7.1%
Year to date +75.2%+74.8%+10.2% +12.8%
1 year +65.2%+85.8%-22.8% +11.9%
3 years +147.0%—+58.0% +85.2%
3 years, per year +35.2%—+16.5% +22.8%
5 years +106.8%—-22.3% +67.6%
5 years, per year +15.6%—-4.9% +10.9%
10 years +2,087.1%—— +262.0%
10 years, per year +36.1%—— +13.7%

Risk

MeasureFTNTRBRKZSSPY
Volatility, 1Y 48.8%65.5%71.2% 12.7%
Downside volatility, 1Y 51.0%59.0%82.5% 12.6%
Beta vs S&P 500, 1Y 1.041.670.96 1.00
Return / volatility, 1Y 1.331.31-0.32 0.94
Max drawdown, 5Y -38.3%-56.1%-76.4% -25.4%
From 52-week high -28.6%-1.8%-26.3% -1.2%
52-week high $194.75$136.14$336.27 $779.14
52-week low $75.23$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.

MultipleFTNTRBRKZS
P/E now vs peer median 44.7xmedian 39.0x -108.3xmedian 39.0x -628.5xmedian 39.0x
P/S now vs peer median 12.9xmedian 4.6x 18.0xmedian 4.6x 12.1xmedian 4.6x
EV/EBITDA now vs peer median —median 32.7x -218.6xmedian 32.7x —median 32.7x
P/FCF now vs peer median 41.4xmedian 27.4x 91.1xmedian 27.4x 47.4xmedian 27.4x
P/B now vs peer median 45.4xmedian 3.2x -55.5xmedian 3.2x 15.6xmedian 3.2x
PEG now vs peer median 1.57median 1.23 —median 1.23 —median 1.23

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 monthsFTNTRBRKZS
Revenue $7.88B $1.54B –
Gross profit – $1.24B –
Operating income $2.60B -$282.40M –
Net income $2.28B -$254.43M –
Free cash flow – $303.91M –
R&D $857.40M $440.96M –
EPS (diluted) $3.08 $-1.23 –
Cash & equivalents $3.75B $416.17M $928.35M
Shares (diluted) 739.90M 206.10M 160.22M
Enterprise value $99.50B $18.82B $24.18B

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
MetricFTNTRBRKZS
P/E 44.7x -108.3x -628.5x
P/FCF 41.4x 91.1x 47.4x
P/Operating cash flow 27.7x 82.2x –
P/S 12.9x 18.0x 12.1x
P/B 45.4x -55.5x 15.6x
P/Tangible book 45.4x -55.5x 17.0x
EV/EBITDA – -218.6x –
EV/EBIT – -91.9x –
EV/Revenue 12.9x 16.8x –
EV/FCF – 85.4x –
EV/Operating cash flow 27.7x 77.0x –
PEG (3Y EPS CAGR) 1.57 – –

Growth

14 metrics
MetricFTNTRBRKZS
Revenue growth (1Y) 20.2% 42.4% –
Revenue CAGR (3Y) 15.1% – –
Gross profit growth (1Y) – 46.6% –
Gross profit CAGR (3Y) – – –
Operating income growth (1Y) 27.8% 34.1% –
Operating income CAGR (3Y) 28.9% – –
Net income growth (1Y) 21.8% 42.7% –
Net income CAGR (3Y) 25.6% – –
EPS growth (1Y) 25.3% 45.8% –
EPS CAGR (3Y) 28.5% – –
Operating cash flow growth (1Y) 50.6% 59.7% –
Operating cash flow CAGR (3Y) 17.5% – –
Free cash flow growth (1Y) – 56.6% –
Free cash flow CAGR (3Y) – – –

Profitability

14 metrics
MetricFTNTRBRKZS
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 46.8% 21.9% –
Return on equity 120.1% – –
Return on assets 20.0% -9.1% –
Return on invested capital – – –
Return on capital employed – -19.8% –
Asset turnover 0.7x 0.5x –
Cash conversion (OCF / net income) 1.6x -1.3x –
Stock comp / revenue 3.9% 22.2% –

Financial Health

11 metrics
MetricFTNTRBRKZS
Debt / assets – – –
Debt / equity – – –
Net debt / EBITDA – – –
Debt / FCF – – –
Liabilities / assets 81.2% 117.5% 67.0%
Equity / assets 18.8% -17.5% 33.0%
Interest coverage – -65.0x –
Current ratio 1.4x 1.6x 1.7x
Quick ratio – 1.5x 1.6x
Cash ratio – 1.3x 1.2x
Altman Z-score – 3.94 –

Shareholder Returns

7 metrics
MetricFTNTRBRKZS
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.

ConsensusFTNTRBRKZS
Forward P/E 38.9xFY2026 252.2xFY2026 54.5xFY2027
EPS, next fiscal year $3.58FY2026 $0.53FY2026 $4.55FY2027
EPS growth, next FY +29.7%FY2026 – +8.1%FY2027
EPS growth, the year after +0.8% +41.5% +27.0%
Revenue, next fiscal year $8.38BFY2026 $1.78BFY2026 $4.07BFY2027
Revenue growth, next FY +23.2%FY2026 +34.8%FY2026 +21.5%FY2027
Revenue growth, the year after +13.2% +12.1% +19.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersFTNTRBRKZS
Held by institutions 68.6% 63.1% 51.4%
Institutions holding 1,568 573 735
Change in shares held, QoQ +23.7% +12.3% -3.9%
Institutions buying 854 405 417
Institutions selling 550 116 236
Buyers to sellers 1.55 3.49 1.77

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.

FTNTRBRKZS
FTNT 1.00 0.54 0.54
RBRK 0.54 1.00 0.60
ZS 0.54 0.60 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, FTNT, RBRK and ZS?

Fortinet (FTNT) is the largest by market capitalisation: Fortinet (FTNT) $99.50B, Rubrik (RBRK) $25.60B, Zscaler (ZS) $38.06B.

Which company is growing faster?

Rubrik (RBRK) grew revenue fastest over the trailing twelve months: Fortinet (FTNT) +20.2%, Rubrik (RBRK) +42.4%.

Which stock has performed better?

Over the past year Rubrik (RBRK) returned the most: Fortinet (FTNT) +65.2%, Rubrik (RBRK) +85.8%, Zscaler (ZS) -22.8%. Over five years, Fortinet (FTNT) compounded fastest (Fortinet (FTNT) +15.6%/yr, Zscaler (ZS) -4.9%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Fortinet (FTNT) has been the steadiest (Fortinet (FTNT) 48.8%, Rubrik (RBRK) 65.5%, Zscaler (ZS) 71.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, FTNT, 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, Fortinet (FTNT) leads on 4. 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.