ALRM vs BCO vs SNTL Stock Comparison

Alarm.com Holdings, Brinks and Sentinel Holdings Prices as of Oct 27, 2026 Peers: Industry group
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ALRM Alarm.com Holdings, Inc.
$64.81 +21.4% 1M +25.8% 1Y
Market cap
$3.18B
P/E
27.0x
Revenue (TTM)
$1.06B
Div. yield
–
Cybersecurity Software Technology
4 wins
BCO Brinks Co
$107.18 +0.3% 1M -7.4% 1Y
Market cap
$4.15B
P/E
23.0x
Revenue (TTM)
$5.48B
Div. yield
0.01%
Security Services Industrials
3 wins
SNTL Sentinel Holdings Ltd.
$1.35 -22.0% 1M -76.3% 1Y
Market cap
$13.08M
P/E
0.9x
Revenue (TTM)
$4.58M
Div. yield
–
Security Services Industrials
4 wins

Head to Head

11 decided of 12

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

QuestionALRMBCOSNTLLeader
Larger companyMarket capitalisation $3.18B $4.15B $13.08M BCO
Cheaper on earningsLower P/E, profitable companies only 27.0x 23.0x 0.9x SNTL
Cheaper on forward earningsLower price / next fiscal year consensus EPS 21.6x 13.4x — BCO
Faster revenue growthRevenue growth, trailing twelve months +8.7% +8.1% +250.7% SNTL
More profitableNet margin, trailing twelve months 11.1% 3.3% 311.9% SNTL
Better return on capitalReturn on invested capital 7.5% 6.9% — ALRM
Less leveragedLower net debt / EBITDA 0.1x 3.3x -0.1x SNTL
Higher dividend yieldTrailing dividend yield 0.00% 0.01% — –
Better 1-year returnPrice return, last 12 months +25.8% -7.4% -76.3% ALRM
Better 5-year returnAnnualised price return, 5 years -4.9%/yr +9.4%/yr -7.6%/yr BCO
Less volatileAnnualised volatility, 1 year 30.7% 34.2% 136.7% ALRM
Higher overall scoreMean of the five percentile scores vs peers 70/100 52/100 42/100 ALRM

Percentile Scorecard

ALRMBCOSNTL

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

AxisALRMBCOSNTL
Valuation 85 #19 of 124 63 #42 of 112 54 #52 of 112
Growth 43 #65 of 113 63 #36 of 96 97 #4 of 96
Profitability 87 #15 of 109 67 #31 of 91 46 #50 of 91
Financial Health 57 #55 of 127 24 #95 of 125 10 #113 of 125
Shareholder Returns 80 #14 of 65 41 #40 of 67 2 #66 of 67
Overall 70 52 42
  • ALRM ranked among 137 companies in Infrastructure Software
  • BCO ranked among 130 companies in Business Services
  • SNTL ranked among 130 companies in Business Services

Price Performance

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

Returns

PeriodALRMBCOSNTLSPY
1 month +21.4%+0.3%-22.0% -0.2%
3 months +18.9%-9.3%-64.5% +3.9%
6 months +43.9%-1.4%-75.5% +8.2%
Year to date +27.0%-8.2%-78.1% +12.9%
1 year +25.8%-7.4%-76.3% +12.3%
3 years +21.4%+63.1%-77.5% +87.4%
3 years, per year +6.7%+17.7%-39.2% +23.3%
5 years -22.0%+56.3%-32.5% +67.9%
5 years, per year -4.9%+9.4%-7.6% +10.9%
10 years +124.3%+163.7%+1,025.0% +261.1%
10 years, per year +8.4%+10.2%+27.4% +13.7%

Risk

MeasureALRMBCOSNTLSPY
Volatility, 1Y 30.7%34.2%136.7% 12.7%
Downside volatility, 1Y 31.7%33.8%166.0% 12.7%
Beta vs S&P 500, 1Y 0.430.74-0.60 1.00
Return / volatility, 1Y 0.84-0.22-0.56 0.97
Max drawdown, 5Y -52.9%-33.5%-80.5% -25.4%
From 52-week high 0.0%-20.9%-78.7% -1.2%
52-week high $64.81$135.58$6.35 $779.14
52-week low $42.13$92.16$1.27 $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.

MultipleALRMBCOSNTL
P/E now vs peer median 27.1xmedian 38.6x 24.5xmedian 21.2x 0.9xmedian 21.2x
P/S now vs peer median 3.0xmedian 4.4x 0.8xmedian 0.9x 2.9xmedian 0.9x
EV/EBITDA now vs peer median 18.2xmedian 34.5x 8.2xmedian 11.9x -3.2xmedian 11.9x
P/FCF now vs peer median 16.9xmedian 29.4x 11.2xmedian 13.7x 6.0xmedian 13.7x
P/B now vs peer median 3.7xmedian 3.3x 10.0xmedian 2.4x -3.6xmedian 2.4x
PEG now vs peer median 1.36median 1.28 1.08median 1.00 0.01median 1.00

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 monthsALRMBCOSNTL
Revenue $1.06B $5.48B $4.58M
Gross profit $698.22M $1.45B $340.92K
Operating income $136.10M $576.00M -$4.61M
Net income $117.29M $191.00M -$881.22K
Free cash flow $187.71M $393.60M $2.17M
R&D $275.86M – –
EPS (diluted) $2.11 $4.36 $1.47
Cash & equivalents $479.42M $1.66B $146.09K
Total debt $2.96B $4.59B $3.26M
Shares (diluted) 55.92M 41.50M 9.69M
Enterprise value $175.80M -$2.12B $11.74M

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
MetricALRMBCOSNTL
P/E 27.1x 24.5x 0.9x
P/FCF 16.9x 11.2x 6.0x
P/Operating cash flow 16.0x 7.9x 5.6x
P/S 3.0x 0.8x 2.9x
P/B 3.7x 10.0x -3.6x
P/Tangible book 4.1x 49.7x -2.9x
EV/EBITDA 18.2x 8.2x -3.2x
EV/EBIT 23.4x 12.8x -2.9x
EV/Revenue 3.0x 1.3x 2.9x
EV/FCF 17.0x 18.7x 6.2x
EV/Operating cash flow 16.0x 13.1x 5.8x
PEG (3Y EPS CAGR) 1.36 1.08 0.01

Growth

14 metrics
MetricALRMBCOSNTL
Revenue growth (1Y) 8.7% 8.1% 250.7%
Revenue CAGR (3Y) 7.3% 5.0% -19.0%
Gross profit growth (1Y) 8.8% 13.6% 156.9%
Gross profit CAGR (3Y) 9.6% 9.3% -38.0%
Operating income growth (1Y) 8.3% 22.8% 43.4%
Operating income CAGR (3Y) 34.6% 14.1% 2.3%
Net income growth (1Y) -8.9% 9.8% 90.2%
Net income CAGR (3Y) 20.7% 15.8% 22.2%
EPS growth (1Y) -2.1% 13.6% 322.4%
EPS CAGR (3Y) 19.9% 22.8% 104.3%
Operating cash flow growth (1Y) 10.4% -1.9% 328.9%
Operating cash flow CAGR (3Y) 36.7% 1.0% 245.0%
Free cash flow growth (1Y) 12.0% 13.2% 312.6%
Free cash flow CAGR (3Y) 41.1% 3.5% 237.5%

Profitability

14 metrics
MetricALRMBCOSNTL
Gross margin 65.8% 26.4% 7.4%
EBITDA margin 16.5% 16.3% -91.9%
Operating margin 12.8% 10.5% -100.8%
Pretax margin 14.4% 5.9% -18.1%
Net margin 11.1% 3.3% 311.9%
FCF margin 17.7% 7.2% 47.4%
Operating cash flow margin 18.8% 10.2% 50.6%
Return on equity 13.6% 45.7% –
Return on assets 7.1% 2.6% -40.8%
Return on invested capital 7.5% 6.9% –
Return on capital employed 9.1% 11.0% –
Asset turnover 0.6x 0.8x 2.1x
Cash conversion (OCF / net income) 1.7x 2.9x -2.6x
Stock comp / revenue 2.9% 0.5% –

Financial Health

11 metrics
MetricALRMBCOSNTL
Debt / assets 29.6% 62.6% 27.8%
Debt / equity 0.6x 10.4x -0.2x
Net debt / EBITDA 0.1x 3.3x -0.1x
Debt / FCF 2.6x 11.7x 0.3x
Liabilities / assets 47.8% 94.0% 279.9%
Equity / assets 52.2% 6.0% -179.9%
Interest coverage 8.6x 2.3x -9.2x
Current ratio 5.0x 1.6x 0.2x
Quick ratio 4.0x 1.2x 0.2x
Cash ratio 3.0x 0.8x 0.0x
Altman Z-score 4.26 1.66 -24.05

Shareholder Returns

7 metrics
MetricALRMBCOSNTL
Dividend yield – 1.0% –
Net buyback yield 2.3% 2.5% -15.6%
Shareholder yield 2.3% 3.4% -15.6%
Payout ratio (earnings) – 22.1% –
Payout ratio (FCF) – 10.7% –
Dividend growth (1Y) – -0.2% –
Dividend CAGR (3Y) – 3.4% –

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.

ConsensusALRMBCOSNTL
Forward P/E 21.6xFY2026 13.4xFY2026 –
EPS, next fiscal year $3.00FY2026 $8.02FY2026 –
EPS growth, next FY +14.5%FY2026 -0.4%FY2026 –
EPS growth, the year after +5.7% +24.7% –
Revenue, next fiscal year $1.01BFY2026 $5.22BFY2026 –
Revenue growth, next FY +0.4%FY2026 -0.8%FY2026 –
Revenue growth, the year after +15.2% +4.2% –

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersALRMBCOSNTL
Held by institutions 98.2% 100.0% –
Institutions holding 314 359 –
Change in shares held, QoQ +1.4% +12.1% –
Institutions buying 169 182 –
Institutions selling 106 122 –
Buyers to sellers 1.59 1.49 –

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.

ALRMBCOSNTL
ALRM 1.00 0.25 0.06
BCO 0.25 1.00 -0.07
SNTL 0.06 -0.07 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ALRM, BCO and SNTL?

Brinks (BCO) is the largest by market capitalisation: Alarm.com Holdings (ALRM) $3.18B, Brinks (BCO) $4.15B, Sentinel Holdings (SNTL) $13.08M.

Which stock is cheaper, ALRM, BCO and SNTL?

Sentinel Holdings (SNTL) trades on the lowest price-to-earnings ratio (Alarm.com Holdings (ALRM) 27.0x, Brinks (BCO) 23.0x, Sentinel Holdings (SNTL) 0.9x). On next year's consensus earnings, Brinks (BCO) is cheapest (Alarm.com Holdings (ALRM) 21.6x, Brinks (BCO) 13.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Sentinel Holdings (SNTL) grew revenue fastest over the trailing twelve months: Alarm.com Holdings (ALRM) +8.7%, Brinks (BCO) +8.1%, Sentinel Holdings (SNTL) +250.7%.

Which company is more profitable?

Sentinel Holdings (SNTL) has the highest net margin (Alarm.com Holdings (ALRM) 11.1%, Brinks (BCO) 3.3%, Sentinel Holdings (SNTL) 311.9%). On return on invested capital, Alarm.com Holdings (ALRM) leads (Alarm.com Holdings (ALRM) 7.5%, Brinks (BCO) 6.9%).

Which stock has performed better?

Over the past year Alarm.com Holdings (ALRM) returned the most: Alarm.com Holdings (ALRM) +25.8%, Brinks (BCO) -7.4%, Sentinel Holdings (SNTL) -76.3%. Over five years, Brinks (BCO) compounded fastest (Alarm.com Holdings (ALRM) -4.9%/yr, Brinks (BCO) +9.4%/yr, Sentinel Holdings (SNTL) -7.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Alarm.com Holdings (ALRM) 0.00%, Brinks (BCO) 0.01%. Alarm.com Holdings (ALRM) and Sentinel Holdings (SNTL) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Alarm.com Holdings (ALRM) has been the steadiest (Alarm.com Holdings (ALRM) 30.7%, Brinks (BCO) 34.2%, Sentinel Holdings (SNTL) 136.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ALRM, BCO and SNTL?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Sentinel Holdings (SNTL) 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.