ALRM vs RBRK vs ZS Stock Comparison

Alarm.com Holdings, Rubrik and Zscaler Prices as of Oct 29, 2026 Peers: Industry group
ALRM Alarm.com Holdings, Inc.
$66.54 +23.6% 1M +35.5% 1Y
Market cap
$3.21B
P/E
27.2x
Revenue (TTM)
$1.06B
Div. yield
–
Cybersecurity Software Technology
5 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
2 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
1 win

Head to Head

8 decided of 12

Alarm.com Holdings leads on 5 of the 12 questions below (Alarm.com Holdings 5, Rubrik 2, Zscaler 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionALRMRBRKZSLeader
Larger companyMarket capitalisation $3.21B $25.60B $38.06B ZS
Cheaper on earningsLower P/E, profitable companies only 27.2x -100.6x -628.5x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 22.2x 252.2x 54.5x ALRM
Faster revenue growthRevenue growth, trailing twelve months +8.7% +42.4% — RBRK
More profitableNet margin, trailing twelve months 11.1% -16.5% — ALRM
Better return on capitalReturn on invested capital 7.5% — — –
Less leveragedLower net debt / EBITDA 0.1x — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +35.5% +85.8% -22.8% RBRK
Better 5-year returnAnnualised price return, 5 years -4.6%/yr — -4.9%/yr ALRM
Less volatileAnnualised volatility, 1 year 30.2% 65.5% 71.2% ALRM
Higher overall scoreMean of the five percentile scores vs peers 70/100 55/100 — ALRM

Percentile Scorecard

ALRMRBRKZS

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

AxisALRMRBRKZS
Valuation 83 #22 of 124 50 #63 of 124 16 #104 of 124
Growth 43 #65 of 113 92 #10 of 113 –
Profitability 87 #15 of 109 57 #48 of 109 –
Financial Health 57 #55 of 127 27 #93 of 127 32 #87 of 127
Shareholder Returns 79 #14 of 63 50 #32 of 63 –
Overall 70 55 –
  • ALRM 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

PeriodALRMRBRKZSSPY
1 month +23.6%+16.5%+24.9% +0.7%
3 months +22.7%+86.9%+67.0% +3.7%
6 months +49.8%+151.3%+89.6% +7.1%
Year to date +30.4%+74.8%+10.2% +12.8%
1 year +35.5%+85.8%-22.8% +11.9%
3 years +25.3%—+58.0% +85.2%
3 years, per year +7.8%—+16.5% +22.8%
5 years -21.0%—-22.3% +67.6%
5 years, per year -4.6%—-4.9% +10.9%
10 years +127.2%—— +262.0%
10 years, per year +8.6%—— +13.7%

Risk

MeasureALRMRBRKZSSPY
Volatility, 1Y 30.2%65.5%71.2% 12.7%
Downside volatility, 1Y 30.7%59.0%82.5% 12.6%
Beta vs S&P 500, 1Y 0.421.670.96 1.00
Return / volatility, 1Y 1.171.31-0.32 0.94
Max drawdown, 5Y -52.9%-56.1%-76.4% -25.4%
From 52-week high 0.0%-1.8%-26.3% -1.2%
52-week high $66.54$136.14$336.27 $779.14
52-week low $42.13$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.

MultipleALRMRBRKZS
P/E now vs peer median 27.8xmedian 39.0x -108.3xmedian 39.0x -628.5xmedian 39.0x
P/S now vs peer median 3.1xmedian 4.6x 18.0xmedian 4.6x 12.1xmedian 4.6x
EV/EBITDA now vs peer median 18.7xmedian 32.7x -218.6xmedian 32.7x —median 32.7x
P/FCF now vs peer median 17.4xmedian 27.4x 91.1xmedian 27.4x 47.4xmedian 27.4x
P/B now vs peer median 3.8xmedian 3.2x -55.5xmedian 3.2x 15.6xmedian 3.2x
PEG now vs peer median 1.40median 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 monthsALRMRBRKZS
Revenue $1.06B $1.54B –
Gross profit $698.22M $1.24B –
Operating income $136.10M -$282.40M –
Net income $117.29M -$254.43M –
Free cash flow $187.71M $303.91M –
R&D $275.86M $440.96M –
EPS (diluted) $2.11 $-1.23 –
Cash & equivalents $479.42M $416.17M $928.35M
Total debt $2.96B – –
Shares (diluted) 55.92M 206.10M 160.22M
Enterprise value $203.79M $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
MetricALRMRBRKZS
P/E 27.8x -108.3x -628.5x
P/FCF 17.4x 91.1x 47.4x
P/Operating cash flow 16.4x 82.2x –
P/S 3.1x 18.0x 12.1x
P/B 3.8x -55.5x 15.6x
P/Tangible book 4.2x -55.5x 17.0x
EV/EBITDA 18.7x -218.6x –
EV/EBIT 24.1x -91.9x –
EV/Revenue 3.1x 16.8x –
EV/FCF 17.4x 85.4x –
EV/Operating cash flow 16.4x 77.0x –
PEG (3Y EPS CAGR) 1.40 – –

Growth

14 metrics
MetricALRMRBRKZS
Revenue growth (1Y) 8.7% 42.4% –
Revenue CAGR (3Y) 7.3% – –
Gross profit growth (1Y) 8.8% 46.6% –
Gross profit CAGR (3Y) 9.6% – –
Operating income growth (1Y) 8.3% 34.1% –
Operating income CAGR (3Y) 34.6% – –
Net income growth (1Y) -8.9% 42.7% –
Net income CAGR (3Y) 20.7% – –
EPS growth (1Y) -2.1% 45.8% –
EPS CAGR (3Y) 19.9% – –
Operating cash flow growth (1Y) 10.4% 59.7% –
Operating cash flow CAGR (3Y) 36.7% – –
Free cash flow growth (1Y) 12.0% 56.6% –
Free cash flow CAGR (3Y) 41.1% – –

Profitability

14 metrics
MetricALRMRBRKZS
Gross margin 65.8% 80.2% –
EBITDA margin 16.5% -7.7% –
Operating margin 12.8% -18.3% –
Pretax margin 14.4% -14.6% –
Net margin 11.1% -16.5% –
FCF margin 17.7% 19.7% –
Operating cash flow margin 18.8% 21.9% –
Return on equity 13.6% – –
Return on assets 7.1% -9.1% –
Return on invested capital 7.5% – –
Return on capital employed 9.1% -19.8% –
Asset turnover 0.6x 0.5x –
Cash conversion (OCF / net income) 1.7x -1.3x –
Stock comp / revenue 2.9% 22.2% –

Financial Health

11 metrics
MetricALRMRBRKZS
Debt / assets 29.6% – –
Debt / equity 0.6x – –
Net debt / EBITDA 0.1x – –
Debt / FCF 2.6x – –
Liabilities / assets 47.8% 117.5% 67.0%
Equity / assets 52.2% -17.5% 33.0%
Interest coverage 8.6x -65.0x –
Current ratio 5.0x 1.6x 1.7x
Quick ratio 4.0x 1.5x 1.6x
Cash ratio 3.0x 1.3x 1.2x
Altman Z-score 4.33 3.94 –

Shareholder Returns

7 metrics
MetricALRMRBRKZS
Dividend yield – – –
Net buyback yield 2.2% -0.1% –
Shareholder yield 2.2% -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.

ConsensusALRMRBRKZS
Forward P/E 22.2xFY2026 252.2xFY2026 54.5xFY2027
EPS, next fiscal year $3.00FY2026 $0.53FY2026 $4.55FY2027
EPS growth, next FY +14.5%FY2026 – +8.1%FY2027
EPS growth, the year after +5.7% +41.5% +27.0%
Revenue, next fiscal year $1.01BFY2026 $1.78BFY2026 $4.07BFY2027
Revenue growth, next FY +0.4%FY2026 +34.8%FY2026 +21.5%FY2027
Revenue growth, the year after +15.2% +12.1% +19.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersALRMRBRKZS
Held by institutions 98.2% 63.1% 51.4%
Institutions holding 315 573 735
Change in shares held, QoQ +1.4% +12.3% -3.9%
Institutions buying 169 405 417
Institutions selling 106 116 236
Buyers to sellers 1.59 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.

ALRMRBRKZS
ALRM 1.00 0.36 0.38
RBRK 0.36 1.00 0.60
ZS 0.38 0.60 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ALRM, RBRK and ZS?

Zscaler (ZS) is the largest by market capitalisation: Alarm.com Holdings (ALRM) $3.21B, Rubrik (RBRK) $25.60B, Zscaler (ZS) $38.06B.

Which company is growing faster?

Rubrik (RBRK) grew revenue fastest over the trailing twelve months: Alarm.com Holdings (ALRM) +8.7%, Rubrik (RBRK) +42.4%.

Which company is more profitable?

Alarm.com Holdings (ALRM) has the highest net margin (Alarm.com Holdings (ALRM) 11.1%, Rubrik (RBRK) -16.5%).

Which stock has performed better?

Over the past year Rubrik (RBRK) returned the most: Alarm.com Holdings (ALRM) +35.5%, Rubrik (RBRK) +85.8%, Zscaler (ZS) -22.8%. Over five years, Alarm.com Holdings (ALRM) compounded fastest (Alarm.com Holdings (ALRM) -4.6%/yr, Zscaler (ZS) -4.9%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Alarm.com Holdings (ALRM) has been the steadiest (Alarm.com Holdings (ALRM) 30.2%, 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, ALRM, 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, Alarm.com Holdings (ALRM) leads on 5. 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.