SNTL vs ALRM vs ADT Stock Comparison

Sentinel Holdings, Alarm.com Holdings and Adt Prices as of Oct 26, 2026 Peers: Industry group
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
ALRM Alarm.com Holdings, Inc.
$64.81 +21.4% 1M +25.8% 1Y
Market cap
$3.18B
P/E
27.1x
Revenue (TTM)
$1.06B
Div. yield
–
Cybersecurity Software Technology
2 wins
ADT ADT Inc.
$6.88 +7.3% 1M -21.3% 1Y
Market cap
$4.67B
P/E
8.5x
Revenue (TTM)
$5.16B
Div. yield
3.42%
Security Services Industrials
5 wins

Head to Head

11 decided of 12

Adt leads on 5 of the 12 questions below (Adt 5, Sentinel Holdings 4, Alarm.com Holdings 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionSNTLALRMADTLeader
Larger companyMarket capitalisation $13.08M $3.18B $4.67B ADT
Cheaper on earningsLower P/E, profitable companies only 0.9x 27.1x 8.5x SNTL
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 21.6x 8.0x ADT
Faster revenue growthRevenue growth, trailing twelve months +250.7% +8.7% +2.1% SNTL
More profitableNet margin, trailing twelve months 311.9% 11.1% 11.9% SNTL
Better return on capitalReturn on invested capital — 7.5% 8.2% ADT
Less leveragedLower net debt / EBITDA -0.1x 0.1x 2.7x SNTL
Higher dividend yieldTrailing dividend yield — — 3.42% –
Better 1-year returnPrice return, last 12 months -76.3% +25.8% -21.3% ALRM
Better 5-year returnAnnualised price return, 5 years -7.6%/yr -4.9%/yr -4.0%/yr ADT
Less volatileAnnualised volatility, 1 year 136.7% 30.7% 29.8% ADT
Higher overall scoreMean of the five percentile scores vs peers 42/100 70/100 69/100 ALRM

Percentile Scorecard

SNTLALRMADT

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

AxisSNTLALRMADT
Valuation 54 #52 of 112 85 #19 of 124 96 #5 of 112
Growth 97 #4 of 96 43 #65 of 113 50 #49 of 96
Profitability 46 #50 of 91 87 #15 of 109 91 #9 of 91
Financial Health 10 #113 of 125 57 #55 of 127 14 #108 of 125
Shareholder Returns 2 #66 of 67 80 #14 of 65 92 #6 of 67
Overall 42 70 69
  • SNTL ranked among 130 companies in Business Services
  • ALRM ranked among 137 companies in Infrastructure Software
  • ADT ranked among 130 companies in Business Services

Price Performance

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

Returns

PeriodSNTLALRMADTSPY
1 month -22.0%+21.4%+7.3% -0.2%
3 months -64.5%+18.9%-6.1% +3.9%
6 months -75.5%+43.9%-4.3% +8.2%
Year to date -78.1%+27.0%-14.7% +12.9%
1 year -76.3%+25.8%-21.3% +12.3%
3 years -77.5%+21.4%+20.9% +87.4%
3 years, per year -39.2%+6.7%+6.5% +23.3%
5 years -32.5%-22.0%-18.3% +67.9%
5 years, per year -7.6%-4.9%-4.0% +10.9%
10 years +1,025.0%+124.3%— +261.1%
10 years, per year +27.4%+8.4%— +13.7%

Risk

MeasureSNTLALRMADTSPY
Volatility, 1Y 136.7%30.7%29.8% 12.7%
Downside volatility, 1Y 166.0%31.7%35.4% 12.7%
Beta vs S&P 500, 1Y -0.600.430.70 1.00
Return / volatility, 1Y -0.560.84-0.71 0.97
Max drawdown, 5Y -80.5%-52.9%-49.2% -25.4%
From 52-week high -78.7%0.0%-22.2% -1.2%
52-week high $6.35$64.81$8.84 $779.14
52-week low $1.27$42.13$6.08 $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.

MultipleSNTLALRMADT
P/E now vs peer median 0.9xmedian 21.2x 27.1xmedian 38.6x 8.5xmedian 21.2x
P/S now vs peer median 2.9xmedian 0.9x 3.0xmedian 4.4x 0.9xmedian 0.9x
EV/EBITDA now vs peer median -3.2xmedian 11.9x 18.2xmedian 34.5x 4.3xmedian 11.9x
P/FCF now vs peer median 6.0xmedian 13.7x 16.9xmedian 29.4x 2.4xmedian 13.7x
P/B now vs peer median -3.6xmedian 2.4x 3.7xmedian 3.3x 1.3xmedian 2.4x
PEG now vs peer median 0.01median 1.00 1.36median 1.28 0.05median 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 monthsSNTLALRMADT
Revenue $4.58M $1.06B $5.16B
Gross profit $340.92K $698.22M $4.17B
Operating income -$4.61M $136.10M $1.29B
Net income -$881.22K $117.29M $612.75M
Free cash flow $2.17M $187.71M $1.97B
R&D – $275.86M –
EPS (diluted) $1.47 $2.11 $0.75
Cash & equivalents $146.09K $479.42M $3.88M
Total debt $3.26M $2.96B $7.69B
Shares (diluted) 9.69M 55.92M 820.13M
Enterprise value $11.74M $219.69M $4.40B

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
MetricSNTLALRMADT
P/E 0.9x 27.1x 8.5x
P/FCF 6.0x 16.9x 2.4x
P/Operating cash flow 5.6x 16.0x 2.2x
P/S 2.9x 3.0x 0.9x
P/B -3.6x 3.7x 1.3x
P/Tangible book -2.9x 4.1x -3.5x
EV/EBITDA -3.2x 18.2x 4.3x
EV/EBIT -2.9x 23.4x 9.6x
EV/Revenue 2.9x 3.0x 2.4x
EV/FCF 6.2x 17.0x 6.3x
EV/Operating cash flow 5.8x 16.0x 5.7x
PEG (3Y EPS CAGR) 0.01 1.36 0.05

Growth

14 metrics
MetricSNTLALRMADT
Revenue growth (1Y) 250.7% 8.7% 2.1%
Revenue CAGR (3Y) -19.0% 7.3% 1.7%
Gross profit growth (1Y) 156.9% 8.8% 1.3%
Gross profit CAGR (3Y) -38.0% 9.6% -1.4%
Operating income growth (1Y) 43.4% 8.3% -0.3%
Operating income CAGR (3Y) 2.3% 34.6% 19.1%
Net income growth (1Y) 90.2% -8.9% -1.6%
Net income CAGR (3Y) 22.2% 20.7% 164.5%
EPS growth (1Y) 322.4% -2.1% 0.8%
EPS CAGR (3Y) 104.3% 19.9% 178.3%
Operating cash flow growth (1Y) 328.9% 10.4% 8.5%
Operating cash flow CAGR (3Y) 245.0% 36.7% 5.0%
Free cash flow growth (1Y) 312.6% 12.0% 7.7%
Free cash flow CAGR (3Y) 237.5% 41.1% 5.3%

Profitability

14 metrics
MetricSNTLALRMADT
Gross margin 7.4% 65.8% 80.7%
EBITDA margin -91.9% 16.5% 55.6%
Operating margin -100.8% 12.8% 25.0%
Pretax margin -18.1% 14.4% 16.6%
Net margin 311.9% 11.1% 11.9%
FCF margin 47.4% 17.7% 38.1%
Operating cash flow margin 50.6% 18.8% 41.8%
Return on equity – 13.6% 16.8%
Return on assets -40.8% 7.1% 3.9%
Return on invested capital – 7.5% 8.2%
Return on capital employed – 9.1% 8.8%
Asset turnover 2.1x 0.6x 0.3x
Cash conversion (OCF / net income) -2.6x 1.7x 3.5x
Stock comp / revenue – 2.9% 1.1%

Financial Health

11 metrics
MetricSNTLALRMADT
Debt / assets 27.8% 29.6% 48.8%
Debt / equity -0.2x 0.6x 2.2x
Net debt / EBITDA -0.1x 0.1x 2.7x
Debt / FCF 0.3x 2.6x 3.9x
Liabilities / assets 279.9% 47.8% 77.9%
Equity / assets -179.9% 52.2% 22.1%
Interest coverage -9.2x 8.6x –
Current ratio 0.2x 5.0x 0.7x
Quick ratio 0.2x 4.0x 0.4x
Cash ratio 0.0x 3.0x 0.0x
Altman Z-score -24.05 4.26 0.56

Shareholder Returns

7 metrics
MetricSNTLALRMADT
Dividend yield – – 3.4%
Net buyback yield -15.6% 2.3% 15.2%
Shareholder yield -15.6% 2.3% 18.7%
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.

ConsensusSNTLALRMADT
Forward P/E – 21.6xFY2026 8.0xFY2026
EPS, next fiscal year – $3.00FY2026 $0.86FY2026
EPS growth, next FY – +14.5%FY2026 -3.4%FY2026
EPS growth, the year after – +5.7% +19.8%
Revenue, next fiscal year – $1.01BFY2026 $4.95BFY2026
Revenue growth, next FY – +0.4%FY2026 -3.4%FY2026
Revenue growth, the year after – +15.2% +12.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersSNTLALRMADT
Held by institutions – 98.2% 94.5%
Institutions holding – 314 456
Change in shares held, QoQ – +1.4% -2.7%
Institutions buying – 169 297
Institutions selling – 106 125
Buyers to sellers – 1.59 2.38

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.

SNTLALRMADT
SNTL 1.00 0.06 0.05
ALRM 0.06 1.00 0.36
ADT 0.05 0.36 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, SNTL, ALRM and ADT?

Adt (ADT) is the largest by market capitalisation: Sentinel Holdings (SNTL) $13.08M, Alarm.com Holdings (ALRM) $3.18B, Adt (ADT) $4.67B.

Which stock is cheaper, SNTL, ALRM and ADT?

Sentinel Holdings (SNTL) trades on the lowest price-to-earnings ratio (Sentinel Holdings (SNTL) 0.9x, Alarm.com Holdings (ALRM) 27.1x, Adt (ADT) 8.5x). On next year's consensus earnings, Adt (ADT) is cheapest (Alarm.com Holdings (ALRM) 21.6x, Adt (ADT) 8.0x). 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: Sentinel Holdings (SNTL) +250.7%, Alarm.com Holdings (ALRM) +8.7%, Adt (ADT) +2.1%.

Which company is more profitable?

Sentinel Holdings (SNTL) has the highest net margin (Sentinel Holdings (SNTL) 311.9%, Alarm.com Holdings (ALRM) 11.1%, Adt (ADT) 11.9%). On return on invested capital, Adt (ADT) leads (Alarm.com Holdings (ALRM) 7.5%, Adt (ADT) 8.2%).

Which stock has performed better?

Over the past year Alarm.com Holdings (ALRM) returned the most: Sentinel Holdings (SNTL) -76.3%, Alarm.com Holdings (ALRM) +25.8%, Adt (ADT) -21.3%. Over five years, Adt (ADT) compounded fastest (Sentinel Holdings (SNTL) -7.6%/yr, Alarm.com Holdings (ALRM) -4.9%/yr, Adt (ADT) -4.0%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Adt (ADT) 3.42%. Sentinel Holdings (SNTL) and Alarm.com Holdings (ALRM) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Adt (ADT) has been the steadiest (Sentinel Holdings (SNTL) 136.7%, Alarm.com Holdings (ALRM) 30.7%, Adt (ADT) 29.8%). Volatility measures how widely the price swings, not the risk of the business.

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

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