NSSC vs ECL vs SNTL Stock Comparison

Napco Security Technologies, Ecolab and Sentinel Holdings Prices as of Oct 28, 2026 Peers: Industry group
ECL Ecolab Inc.
$292.52 +4.3% 1M +9.0% 1Y
Market cap
$84.57B
P/E
40.6x
Revenue (TTM)
$17.37B
Div. yield
–
Water Treatment Industrials
3 wins
SNTL Sentinel Holdings Ltd.
$1.66 -4.0% 1M -69.5% 1Y
Market cap
$16.09M
P/E
1.1x
Revenue (TTM)
$4.58M
Div. yield
–
Security Services Industrials
3 wins

Head to Head

9 decided of 12

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

QuestionNSSCECLSNTLLeader
Larger companyMarket capitalisation $1.43B $84.57B $16.09M ECL
Cheaper on earningsLower P/E, profitable companies only 33.2x 40.6x 1.1x SNTL
Cheaper on forward earningsLower price / next fiscal year consensus EPS 24.6x 37.0x — NSSC
Faster revenue growthRevenue growth, trailing twelve months +11.4% +9.3% +250.7% SNTL
More profitableNet margin, trailing twelve months 21.3% — 311.9% SNTL
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA — — -0.1x –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% — –
Better 1-year returnPrice return, last 12 months -9.9% +9.0% -69.5% ECL
Better 5-year returnAnnualised price return, 5 years +10.6%/yr +5.7%/yr -3.7%/yr NSSC
Less volatileAnnualised volatility, 1 year 40.9% 21.5% 138.1% ECL
Higher overall scoreMean of the five percentile scores vs peers 65/100 52/100 46/100 NSSC

Percentile Scorecard

NSSCECLSNTL

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

AxisNSSCECLSNTL
Valuation 32 #77 of 113 30 #15 of 21 75 #29 of 113
Growth 79 #21 of 96 83 #4 of 19 97 #4 of 96
Profitability 100 #1 of 92 75 #5 of 17 45 #51 of 92
Financial Health 96 #6 of 125 19 #18 of 22 11 #112 of 125
Shareholder Returns 17 #56 of 67 – 2 #66 of 67
Overall 65 52 46
  • NSSC ranked among 130 companies in Business Services
  • ECL ranked among 22 companies in Environmental Equipment
  • 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

PeriodNSSCECLSNTLSPY
1 month +13.1%+4.3%-4.0% +0.9%
3 months +9.0%+3.0%-58.7% +5.9%
6 months -12.2%+14.0%-69.5% +8.5%
Year to date -4.9%+11.4%-73.1% +13.3%
1 year -9.9%+9.0%-69.5% +12.4%
3 years +106.9%+85.8%-72.3% +88.1%
3 years, per year +27.4%+23.0%-34.9% +23.5%
5 years +65.4%+31.6%-17.0% +68.2%
5 years, per year +10.6%+5.7%-3.7% +11.0%
10 years +1,033.1%+154.1%+1,283.3% +263.4%
10 years, per year +27.5%+9.8%+30.0% +13.8%

Risk

MeasureNSSCECLSNTLSPY
Volatility, 1Y 40.9%21.5%138.1% 12.7%
Downside volatility, 1Y 43.4%21.2%166.0% 12.7%
Beta vs S&P 500, 1Y 1.220.48-0.53 1.00
Return / volatility, 1Y -0.240.42-0.50 0.98
Max drawdown, 5Y -65.8%-44.3%-80.5% -25.4%
From 52-week high -16.0%-5.1%-73.9% -0.9%
52-week high $47.23$308.35$6.35 $779.14
52-week low $34.96$245.73$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.

MultipleNSSCECLSNTL
P/E now vs peer median 32.9xmedian 21.5x 39.4xmedian 25.5x 1.1xmedian 21.5x
P/S now vs peer median 7.0xmedian 0.9x 4.7xmedian 2.4x 3.5xmedian 0.9x
EV/EBITDA now vs peer median 26.8xmedian 11.9x —median 19.0x -3.9xmedian 11.9x
P/FCF now vs peer median 24.0xmedian 13.9x 41.5xmedian 23.0x 7.4xmedian 13.9x
P/B now vs peer median 7.4xmedian 2.3x 7.8xmedian 2.0x -4.5xmedian 2.3x
PEG now vs peer median 1.85median 0.92 1.99median 1.69 0.01median 0.92

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 monthsNSSCECLSNTL
Revenue $202.32M $17.37B $4.58M
Gross profit $119.79M – $340.92K
Operating income $45.64M $2.90B -$4.61M
Net income $43.03M – -$881.22K
Free cash flow $59.23M – $2.17M
R&D $13.79M – –
EPS (diluted) $1.20 $7.38 $1.47
Cash & equivalents $126.93M $722.30M $146.09K
Total debt – – $3.26M
Shares (diluted) 35.89M 282.20M 9.69M
Enterprise value $945.01M $84.57B $14.75M

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
MetricNSSCECLSNTL
P/E 32.9x 39.4x 1.1x
P/FCF 24.0x 41.5x 7.4x
P/Operating cash flow 23.2x – 6.9x
P/S 7.0x 4.7x 3.5x
P/B 7.4x 7.8x -4.5x
P/Tangible book 7.5x 15.3x -3.6x
EV/EBITDA 26.8x – -3.9x
EV/EBIT 28.1x – -3.6x
EV/Revenue 6.3x 4.7x 3.6x
EV/FCF 21.6x – 7.6x
EV/Operating cash flow 21.0x – 7.1x
PEG (3Y EPS CAGR) 1.85 1.99 0.01

Growth

14 metrics
MetricNSSCECLSNTL
Revenue growth (1Y) 11.4% 9.3% 250.7%
Revenue CAGR (3Y) 6.0% 4.9% -19.0%
Gross profit growth (1Y) 18.6% – 156.9%
Gross profit CAGR (3Y) 17.8% – -38.0%
Operating income growth (1Y) -1.3% 11.3% 43.4%
Operating income CAGR (3Y) 14.6% 17.2% 2.3%
Net income growth (1Y) -0.9% – 90.2%
Net income CAGR (3Y) 16.6% – 22.2%
EPS growth (1Y) 0.8% 6.1% 322.4%
EPS CAGR (3Y) 17.8% 19.8% 104.3%
Operating cash flow growth (1Y) 14.2% – 328.9%
Operating cash flow CAGR (3Y) 35.3% – 245.0%
Free cash flow growth (1Y) 15.2% – 312.6%
Free cash flow CAGR (3Y) 39.7% – 237.5%

Profitability

14 metrics
MetricNSSCECLSNTL
Gross margin 59.2% – 7.4%
EBITDA margin 23.6% – -91.9%
Operating margin 22.6% – -100.8%
Pretax margin 24.6% – -18.1%
Net margin 21.3% – 311.9%
FCF margin 29.3% – 47.4%
Operating cash flow margin 30.2% – 50.6%
Return on equity 23.3% 20.4% –
Return on assets 18.7% 6.9% -40.8%
Return on invested capital – – –
Return on capital employed 24.3% – –
Asset turnover 0.9x 0.6x 2.1x
Cash conversion (OCF / net income) 1.4x – -2.6x
Stock comp / revenue 0.5% – –

Financial Health

11 metrics
MetricNSSCECLSNTL
Debt / assets – – 27.8%
Debt / equity – – -0.2x
Net debt / EBITDA – – -0.1x
Debt / FCF – – 0.3x
Liabilities / assets 20.0% 66.4% 279.9%
Equity / assets 80.0% 33.6% -179.9%
Interest coverage – – -9.2x
Current ratio 4.9x 1.1x 0.2x
Quick ratio 4.1x – 0.2x
Cash ratio 3.2x – 0.0x
Altman Z-score 21.47 – -23.73

Shareholder Returns

7 metrics
MetricNSSCECLSNTL
Dividend yield 1.5% 1.0% –
Net buyback yield 0.0% – -12.7%
Shareholder yield 1.5% 1.0% -12.7%
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.

ConsensusNSSCECLSNTL
Forward P/E 24.6xFY2027 37.0xFY2026 –
EPS, next fiscal year $1.61FY2027 $7.90FY2026 –
EPS growth, next FY +0.6%FY2027 +4.9%FY2026 –
EPS growth, the year after +19.3% +23.2% –
Revenue, next fiscal year $208.17MFY2027 $17.26BFY2026 –
Revenue growth, next FY +2.9%FY2027 +7.3%FY2026 –
Revenue growth, the year after +9.1% +5.4% –

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersNSSCECLSNTL
Held by institutions 100.0% 80.0% –
Institutions holding 259 1,711 –
Change in shares held, QoQ +4.2% +1.4% –
Institutions buying 136 763 –
Institutions selling 89 679 –
Buyers to sellers 1.53 1.12 –

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.

NSSCECLSNTL
NSSC 1.00 0.25 0.03
ECL 0.25 1.00 0.00
SNTL 0.03 0.00 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, NSSC, ECL and SNTL?

Ecolab (ECL) is the largest by market capitalisation: Napco Security Technologies (NSSC) $1.43B, Ecolab (ECL) $84.57B, Sentinel Holdings (SNTL) $16.09M.

Which stock is cheaper, NSSC, ECL and SNTL?

Sentinel Holdings (SNTL) trades on the lowest price-to-earnings ratio (Napco Security Technologies (NSSC) 33.2x, Ecolab (ECL) 40.6x, Sentinel Holdings (SNTL) 1.1x). On next year's consensus earnings, Napco Security Technologies (NSSC) is cheapest (Napco Security Technologies (NSSC) 24.6x, Ecolab (ECL) 37.0x). 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: Napco Security Technologies (NSSC) +11.4%, Ecolab (ECL) +9.3%, Sentinel Holdings (SNTL) +250.7%.

Which company is more profitable?

Sentinel Holdings (SNTL) has the highest net margin (Napco Security Technologies (NSSC) 21.3%, Sentinel Holdings (SNTL) 311.9%).

Which stock has performed better?

Over the past year Ecolab (ECL) returned the most: Napco Security Technologies (NSSC) -9.9%, Ecolab (ECL) +9.0%, Sentinel Holdings (SNTL) -69.5%. Over five years, Napco Security Technologies (NSSC) compounded fastest (Napco Security Technologies (NSSC) +10.6%/yr, Ecolab (ECL) +5.7%/yr, Sentinel Holdings (SNTL) -3.7%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Ecolab (ECL) has been the steadiest (Napco Security Technologies (NSSC) 40.9%, Ecolab (ECL) 21.5%, Sentinel Holdings (SNTL) 138.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, NSSC, ECL 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, Ecolab (ECL) leads on 3. 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.