IRM vs CTAS vs ARMK Stock Comparison

Iron Mountain, Cintas and Aramark Prices as of Oct 27, 2026 Peers: Industry group
IRM Iron Mountain Inc
$115.26 +3.5% 1M +8.3% 1Y
Market cap
$34.31B
P/E
82.0x
Revenue (TTM)
$7.56B
Div. yield
2.99%
Facility Services Industrials
3 wins
CTAS Cintas Corp
$214.80 +7.4% 1M +13.8% 1Y
Market cap
$85.82B
P/E
41.7x
Revenue (TTM)
$11.56B
Div. yield
0.87%
Facility Services Industrials
6 wins
ARMK Aramark
$55.52 +1.0% 1M +38.4% 1Y
Market cap
$14.63B
P/E
38.2x
Revenue (TTM)
$19.85B
Div. yield
0.86%
Facility Services Industrials
3 wins

Head to Head

12 decided of 12

Cintas leads on 6 of the 12 questions below (Cintas 6, Aramark 3, Iron Mountain 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionIRMCTASARMKLeader
Larger companyMarket capitalisation $34.31B $85.82B $14.63B CTAS
Cheaper on earningsLower P/E, profitable companies only 82.0x 41.7x 38.2x ARMK
Cheaper on forward earningsLower price / next fiscal year consensus EPS 49.7x 36.7x 25.8x ARMK
Faster revenue growthRevenue growth, trailing twelve months +17.4% +9.5% +11.0% IRM
More profitableNet margin, trailing twelve months 5.5% 17.8% 1.9% CTAS
Better return on capitalReturn on invested capital 7.6% 28.2% 6.8% CTAS
Less leveragedLower net debt / EBITDA 6.7x 0.7x 4.1x CTAS
Higher dividend yieldTrailing dividend yield 2.99% 0.87% 0.86% IRM
Better 1-year returnPrice return, last 12 months +8.3% +13.8% +38.4% ARMK
Better 5-year returnAnnualised price return, 5 years +20.0%/yr +15.1%/yr +8.9%/yr IRM
Less volatileAnnualised volatility, 1 year 33.3% 23.8% 26.6% CTAS
Higher overall scoreMean of the five percentile scores vs peers 47/100 60/100 45/100 CTAS

Percentile Scorecard

IRMCTASARMK

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

AxisIRMCTASARMK
Valuation 21 #89 of 112 20 #90 of 112 45 #62 of 112
Growth 90 #11 of 96 71 #29 of 96 84 #16 of 96
Profitability 64 #33 of 91 98 #3 of 91 47 #49 of 91
Financial Health 8 #115 of 125 70 #38 of 125 20 #100 of 125
Shareholder Returns 50 #34 of 67 39 #41 of 67 29 #48 of 67
Overall 47 60 45
  • IRM ranked among 130 companies in Business Services
  • CTAS ranked among 130 companies in Business Services
  • ARMK ranked among 130 companies in Business Services

Price Performance

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

Returns

PeriodIRMCTASARMKSPY
1 month +3.5%+7.4%+1.0% -0.2%
3 months -8.3%0.0%-3.3% +3.9%
6 months +2.3%+23.3%+22.2% +8.2%
Year to date +39.0%+14.2%+50.6% +12.9%
1 year +8.3%+13.8%+38.4% +12.3%
3 years +98.0%+73.1%+108.2% +87.4%
3 years, per year +25.6%+20.1%+27.7% +23.3%
5 years +148.3%+101.7%+53.1% +67.9%
5 years, per year +20.0%+15.1%+8.9% +10.9%
10 years +251.8%+713.1%+49.4% +261.1%
10 years, per year +13.4%+23.3%+4.1% +13.7%

Risk

MeasureIRMCTASARMKSPY
Volatility, 1Y 33.3%23.8%26.6% 12.7%
Downside volatility, 1Y 34.4%24.3%23.4% 12.7%
Beta vs S&P 500, 1Y 1.170.110.63 1.00
Return / volatility, 1Y 0.250.581.44 0.97
Max drawdown, 5Y -40.0%-28.2%-46.4% -25.4%
From 52-week high -13.4%-4.9%-11.0% -1.2%
52-week high $133.06$225.93$62.39 $779.14
52-week low $78.86$163.55$36.04 $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.

MultipleIRMCTASARMK
P/E now vs peer median 82.0xmedian 21.2x 41.7xmedian 21.2x 38.2xmedian 21.2x
P/S now vs peer median 4.5xmedian 0.9x 7.4xmedian 0.9x 0.7xmedian 0.9x
EV/EBITDA now vs peer median 20.3xmedian 11.9x 27.4xmedian 11.9x 14.6xmedian 11.9x
P/FCF now vs peer median -69.9xmedian 13.7x 42.2xmedian 13.7x 33.8xmedian 13.7x
P/B now vs peer median -26.8xmedian 2.4x 16.5xmedian 2.4x 4.3xmedian 2.4x
PEG now vs peer median 31.37median 1.00 2.75median 1.00 -3.26median 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 monthsIRMCTASARMK
Revenue $7.56B $11.56B $19.85B
Gross profit $4.10B $5.89B $1.69B
Operating income $1.42B $2.70B $870.70M
Net income $434.46M $2.06B $382.71M
Free cash flow -$490.92M $2.03B $432.81M
EPS (diluted) $1.40 $5.10 $1.43
Cash & equivalents $204.79M $243.60M $499.43M
Total debt $17.35B $2.43B $6.13B
Shares (diluted) 299.85M 404.29M 268.54M
Enterprise value $33.83B $84.90B $12.65B

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
MetricIRMCTASARMK
P/E 82.0x 41.7x 38.2x
P/FCF -69.9x 42.2x 33.8x
P/Operating cash flow 20.7x 35.3x 16.1x
P/S 4.5x 7.4x 0.7x
P/B -26.8x 16.5x 4.3x
P/Tangible book -13.6x 17.4x 9.9x
EV/EBITDA 20.3x 27.4x 14.6x
EV/EBIT 36.3x 32.6x 23.3x
EV/Revenue 6.8x 7.6x 1.0x
EV/FCF -104.8x 43.3x 46.8x
EV/Operating cash flow 31.1x 36.2x 22.2x
PEG (3Y EPS CAGR) 31.37 2.75 -3.26

Growth

14 metrics
MetricIRMCTASARMK
Revenue growth (1Y) 17.4% 9.5% 11.0%
Revenue CAGR (3Y) 13.0% 8.7% 13.3%
Gross profit growth (1Y) 13.5% 11.5% 10.6%
Gross profit CAGR (3Y) 11.1% 11.2% 25.2%
Operating income growth (1Y) 35.4% 11.8% 9.8%
Operating income CAGR (3Y) 12.8% 13.2% 30.2%
Net income growth (1Y) 867.3% 11.3% 5.8%
Net income CAGR (3Y) 4.1% 14.3% -11.1%
EPS growth (1Y) 897.5% 12.7% 4.6%
EPS CAGR (3Y) 2.6% 15.2% -11.7%
Operating cash flow growth (1Y) 31.7% 14.8% 18.7%
Operating cash flow CAGR (3Y) 17.2% 14.4% 68.3%
Free cash flow growth (1Y) 50.3% 19.5% 54.2%
Free cash flow CAGR (3Y) -60.8% 17.4% 77.8%

Profitability

14 metrics
MetricIRMCTASARMK
Gross margin 54.2% 51.0% 8.5%
EBITDA margin 33.6% 27.8% 7.0%
Operating margin 18.8% 23.4% 4.4%
Pretax margin 6.7% 22.5% 2.6%
Net margin 5.5% 17.8% 1.9%
FCF margin -6.5% 17.6% 2.2%
Operating cash flow margin 21.9% 21.1% 4.6%
Return on equity – 39.8% 11.5%
Return on assets 2.0% 19.5% 2.8%
Return on invested capital 7.6% 28.2% 6.8%
Return on capital employed 7.5% 34.2% 8.0%
Asset turnover 0.3x 1.1x 1.4x
Cash conversion (OCF / net income) 3.8x 1.2x 2.4x
Stock comp / revenue 1.8% 1.1% 0.3%

Financial Health

11 metrics
MetricIRMCTASARMK
Debt / assets 79.0% 22.8% 43.9%
Debt / equity -13.5x 0.5x 1.8x
Net debt / EBITDA 6.7x 0.7x 4.1x
Debt / FCF -35.3x 1.2x 14.2x
Liabilities / assets 105.8% 51.1% 75.7%
Equity / assets -5.8% 48.9% 24.3%
Interest coverage – 25.3x –
Current ratio 0.7x 1.5x 1.3x
Quick ratio 0.6x 0.7x 1.0x
Cash ratio 0.1x 0.1x 0.2x
Altman Z-score 1.76 13.27 2.59

Shareholder Returns

7 metrics
MetricIRMCTASARMK
Dividend yield 3.0% 0.9% 0.9%
Net buyback yield – 1.2% 0.3%
Shareholder yield 3.0% 2.0% 1.2%
Payout ratio (earnings) 229.5% 35.2% 32.0%
Payout ratio (FCF) -203.1% 35.6% 28.3%
Dividend growth (1Y) 16.5% 14.8% 12.9%
Dividend CAGR (3Y) 11.1% 15.5% 2.3%

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.

ConsensusIRMCTASARMK
Forward P/E 49.7xFY2026 36.7xFY2026 25.8xFY2026
EPS, next fiscal year $2.32FY2026 $5.85FY2026 $2.15FY2026
EPS growth, next FY +9.4%FY2026 +18.4%FY2026 +16.8%FY2026
EPS growth, the year after +28.0% +10.4% +21.9%
Revenue, next fiscal year $8.36BFY2026 $12.98BFY2026 $21.42BFY2026
Revenue growth, next FY +21.1%FY2026 +15.3%FY2026 +15.7%FY2026
Revenue growth, the year after +2.2% +6.8% -4.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersIRMCTASARMK
Held by institutions 86.2% 67.6% 98.9%
Institutions holding 1,161 1,430 544
Change in shares held, QoQ +1.9% +6.4% +0.0%
Institutions buying 598 657 320
Institutions selling 377 576 157
Buyers to sellers 1.59 1.14 2.04

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.

IRMCTASARMK
IRM 1.00 0.00 0.19
CTAS 0.00 1.00 0.26
ARMK 0.19 0.26 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, IRM, CTAS and ARMK?

Cintas (CTAS) is the largest by market capitalisation: Iron Mountain (IRM) $34.31B, Cintas (CTAS) $85.82B, Aramark (ARMK) $14.63B.

Which stock is cheaper, IRM, CTAS and ARMK?

Aramark (ARMK) trades on the lowest price-to-earnings ratio (Iron Mountain (IRM) 82.0x, Cintas (CTAS) 41.7x, Aramark (ARMK) 38.2x). On next year's consensus earnings, Aramark (ARMK) is cheapest (Iron Mountain (IRM) 49.7x, Cintas (CTAS) 36.7x, Aramark (ARMK) 25.8x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Iron Mountain (IRM) grew revenue fastest over the trailing twelve months: Iron Mountain (IRM) +17.4%, Cintas (CTAS) +9.5%, Aramark (ARMK) +11.0%.

Which company is more profitable?

Cintas (CTAS) has the highest net margin (Iron Mountain (IRM) 5.5%, Cintas (CTAS) 17.8%, Aramark (ARMK) 1.9%). On return on invested capital, Cintas (CTAS) leads (Iron Mountain (IRM) 7.6%, Cintas (CTAS) 28.2%, Aramark (ARMK) 6.8%).

Which stock has performed better?

Over the past year Aramark (ARMK) returned the most: Iron Mountain (IRM) +8.3%, Cintas (CTAS) +13.8%, Aramark (ARMK) +38.4%. Over five years, Iron Mountain (IRM) compounded fastest (Iron Mountain (IRM) +20.0%/yr, Cintas (CTAS) +15.1%/yr, Aramark (ARMK) +8.9%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Iron Mountain (IRM) has the highest dividend yield: Iron Mountain (IRM) 2.99%, Cintas (CTAS) 0.87%, Aramark (ARMK) 0.86%.

Which stock is riskier?

By one-year price volatility, Cintas (CTAS) has been the steadiest (Iron Mountain (IRM) 33.3%, Cintas (CTAS) 23.8%, Aramark (ARMK) 26.6%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, IRM, CTAS and ARMK?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Cintas (CTAS) leads on 6. 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.