ACU vs ISRG vs RMTI Stock Comparison

Acme United, Intuitive Surgical and Rockwell Medical Prices as of Nov 4, 2026 Peers: Industry group
1 more company in this comparison (BDX) Create a free account to keep reading and compare up to 10 companies.
ACU Acme United Corp
$70.92 +11.2% 1M +88.2% 1Y
Market cap
$271.89M
P/E
27.6x
Revenue (TTM)
$211.60M
Div. yield
0.90%
Medical Supplies Healthcare
5 wins
ISRG Intuitive Surgical Inc
$482.10 +18.6% 1M -10.5% 1Y
Market cap
$167.10B
P/E
56.9x
Revenue (TTM)
$11.58B
Div. yield
–
Medical Devices Healthcare
4 wins
RMTI Rockwell Medical, Inc.
$8.05 -2.2% 1M +674.0% 1Y
Market cap
$31.97M
P/E
–
Revenue (TTM)
$69.39M
Div. yield
–
Medical Supplies Healthcare
1 win

Head to Head

10 decided of 12

Acme United leads on 5 of the 12 questions below (Acme United 5, Intuitive Surgical 4, Rockwell Medical 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionACUISRGRMTILeader
Larger companyMarket capitalisation $271.89M $167.10B $31.97M ISRG
Cheaper on earningsLower P/E, profitable companies only 27.6x 56.9x -6.3x ACU
Cheaper on forward earningsLower price / next fiscal year consensus EPS 25.8x 42.0x — ACU
Faster revenue growthRevenue growth, trailing twelve months +9.0% +20.5% -21.1% ISRG
More profitableNet margin, trailing twelve months 4.6% 25.5% -7.3% ISRG
Better return on capitalReturn on invested capital 7.3% — — –
Less leveragedLower net debt / EBITDA 1.1x — 7.8x ACU
Higher dividend yieldTrailing dividend yield 0.90% — — –
Better 1-year returnPrice return, last 12 months +88.2% -10.5% +674.0% RMTI
Better 5-year returnAnnualised price return, 5 years +14.7%/yr +5.7%/yr +6.7%/yr ACU
Less volatileAnnualised volatility, 1 year 30.8% 35.9% 402.0% ACU
Higher overall scoreMean of the five percentile scores vs peers 71/100 80/100 56/100 ISRG

Percentile Scorecard

ACUISRGRMTI

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

AxisACUISRGRMTI
Valuation 94 #14 of 229 50 #115 of 229 89 #26 of 229
Growth 59 #92 of 221 82 #41 of 221 26 #165 of 221
Profitability 81 #41 of 209 98 #6 of 209 56 #93 of 209
Financial Health 57 #104 of 240 80 #49 of 240 56 #107 of 240
Shareholder Returns 62 #56 of 146 92 #12 of 146 –
Overall 71 80 56
  • ACU ranked among 248 companies in Medical Devices and Diagnostics
  • ISRG ranked among 248 companies in Medical Devices and Diagnostics
  • RMTI ranked among 248 companies in Medical Devices and Diagnostics

Price Performance

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

Returns

PeriodACUISRGRMTISPY
1 month +11.2%+18.6%-2.2% -1.0%
3 months +26.6%+28.5%+10.9% -0.4%
6 months +68.0%+6.7%+893.8% +4.5%
Year to date +75.9%-14.9%+869.9% +12.4%
1 year +88.2%-10.5%+674.0% +13.6%
3 years +114.3%+73.1%+288.9% +76.4%
3 years, per year +29.0%+20.1%+57.3% +20.8%
5 years +98.1%+32.1%+38.1% +63.7%
5 years, per year +14.7%+5.7%+6.7% +10.4%
10 years +231.4%+546.2%-87.1% +267.7%
10 years, per year +12.7%+20.5%-18.5% +13.9%

Risk

MeasureACUISRGRMTISPY
Volatility, 1Y 30.8%35.9%402.0% 12.8%
Downside volatility, 1Y 24.6%38.0%354.5% 12.7%
Beta vs S&P 500, 1Y 0.240.981.65 1.00
Return / volatility, 1Y 2.87-0.291.68 1.06
Max drawdown, 5Y -41.7%-49.9%-91.1% -25.4%
From 52-week high 0.0%-18.7%-9.0% -1.6%
52-week high $70.92$592.85$8.85 $779.14
52-week low $35.50$332.02$0.55 $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.

MultipleACUISRGRMTI
P/E now vs peer median 27.6xmedian 28.5x 56.9xmedian 28.5x -6.3xmedian 28.5x
P/S now vs peer median 1.3xmedian 2.9x 14.4xmedian 2.9x 0.5xmedian 2.9x
EV/EBITDA now vs peer median 12.1xmedian 18.5x 39.9xmedian 18.5x -8.0xmedian 18.5x
P/FCF now vs peer median 17.6xmedian 26.7x 46.4xmedian 26.7x 21.3xmedian 26.7x
P/B now vs peer median 2.2xmedian 2.3x 10.4xmedian 2.3x 0.9xmedian 2.3x
PEG now vs peer median 0.93median 0.93 2.21median 0.93 -0.15median 0.93

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 monthsACUISRGRMTI
Revenue $211.60M $11.58B $69.39M
Gross profit $84.82M $7.78B $12.29M
Operating income $14.48M $3.28B -$4.52M
Net income $9.82M $2.97B -$5.08M
Free cash flow $15.48M $3.60B $1.50M
R&D – $1.49B $40.00K
EPS (diluted) $2.37 $8.41 $-1.28
Cash & equivalents $5.04M $2.98B $10.52M
Total debt $32.33M – $9.00M
Shares (diluted) 4.14M 351.60M 3.96M
Enterprise value $253.92M $147.52B -$65.42M

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
MetricACUISRGRMTI
P/E 27.6x 56.9x -6.3x
P/FCF 17.6x 46.4x 21.3x
P/Operating cash flow 10.4x 40.9x 11.2x
P/S 1.3x 14.4x 0.5x
P/B 2.2x 10.4x 0.9x
P/Tangible book 3.1x 11.2x 1.2x
EV/EBITDA 12.1x 39.9x -8.0x
EV/EBIT 20.7x 49.6x -3.6x
EV/Revenue 1.4x 14.1x 0.2x
EV/FCF 19.3x 45.3x 10.8x
EV/Operating cash flow 11.5x 39.9x 5.7x
PEG (3Y EPS CAGR) 0.93 2.21 -0.15

Growth

14 metrics
MetricACUISRGRMTI
Revenue growth (1Y) 9.0% 20.5% -21.1%
Revenue CAGR (3Y) 3.1% 19.1% -2.9%
Gross profit growth (1Y) 11.0% 21.9% -20.3%
Gross profit CAGR (3Y) 8.5% 19.5% 22.1%
Operating income growth (1Y) 3.3% 16.6% -250.1%
Operating income CAGR (3Y) 20.1% 24.8% 23.4%
Net income growth (1Y) -5.1% 7.5% -142.2%
Net income CAGR (3Y) 36.0% 24.4% 24.1%
EPS growth (1Y) -5.9% 10.8% -109.9%
EPS CAGR (3Y) 29.7% 25.7% 41.1%
Operating cash flow growth (1Y) 43.2% 38.1% -18.3%
Operating cash flow CAGR (3Y) 12.0% 26.4% 34.2%
Free cash flow growth (1Y) 26.7% 58.4% -44.2%
Free cash flow CAGR (3Y) 1.5% 42.0% 30.2%

Profitability

14 metrics
MetricACUISRGRMTI
Gross margin 40.1% 67.2% 17.7%
EBITDA margin 11.7% 35.3% -2.9%
Operating margin 6.8% 28.4% -6.5%
Pretax margin 5.9% 31.3% -7.9%
Net margin 4.6% 25.5% -7.3%
FCF margin 7.3% 31.1% 2.2%
Operating cash flow margin 12.3% 35.3% 4.1%
Return on equity 8.2% 17.3% -15.5%
Return on assets 5.0% 14.8% -9.6%
Return on invested capital 7.3% – –
Return on capital employed 8.9% 18.7% -9.9%
Asset turnover 1.1x 0.6x 1.2x
Cash conversion (OCF / net income) 2.7x 1.4x -0.6x
Stock comp / revenue 0.9% 7.2% 2.7%

Financial Health

11 metrics
MetricACUISRGRMTI
Debt / assets 16.1% – 15.9%
Debt / equity 0.3x – 0.3x
Net debt / EBITDA 1.1x – 7.8x
Debt / FCF 2.1x – 6.0x
Liabilities / assets 39.5% 16.7% 37.9%
Equity / assets 60.5% 83.3% 62.1%
Interest coverage – – -4.0x
Current ratio 3.2x 3.3x 3.3x
Quick ratio 1.3x 2.3x 3.0x
Cash ratio 0.1x 1.6x 2.2x
Altman Z-score 4.56 32.88 -7.66

Shareholder Returns

7 metrics
MetricACUISRGRMTI
Dividend yield 0.9% – –
Net buyback yield -0.2% 2.5% –
Shareholder yield 0.7% 2.5% –
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.

ConsensusACUISRGRMTI
Forward P/E 25.8xFY2026 42.0xFY2026 –
EPS, next fiscal year $2.75FY2026 $11.47FY2026 $-0.97FY2026
EPS growth, next FY +10.4%FY2026 +28.4%FY2026 –
EPS growth, the year after +4.0% +4.5% –
Revenue, next fiscal year $217.65MFY2026 $11.60BFY2026 $77.07MFY2026
Revenue growth, next FY +10.7%FY2026 +15.3%FY2026 +11.3%FY2026
Revenue growth, the year after +0.7% +11.3% +7.5%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersACUISRGRMTI
Held by institutions 73.5% 86.2% 8.6%
Institutions holding 84 2,240 33
Change in shares held, QoQ +1.3% +4.6% -14.2%
Institutions buying 47 1,073 13
Institutions selling 21 878 9
Buyers to sellers 2.24 1.22 1.44

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.

ACUISRGRMTI
ACU 1.00 0.10 0.02
ISRG 0.10 1.00 0.07
RMTI 0.02 0.07 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ACU, ISRG and RMTI?

Intuitive Surgical (ISRG) is the largest by market capitalisation: Acme United (ACU) $271.89M, Intuitive Surgical (ISRG) $167.10B, Rockwell Medical (RMTI) $31.97M.

Which stock is cheaper, ACU, ISRG and RMTI?

Acme United (ACU) trades on the lowest price-to-earnings ratio (Acme United (ACU) 27.6x, Intuitive Surgical (ISRG) 56.9x, Rockwell Medical (RMTI) -6.3x). On next year's consensus earnings, Acme United (ACU) is cheapest (Acme United (ACU) 25.8x, Intuitive Surgical (ISRG) 42.0x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Intuitive Surgical (ISRG) grew revenue fastest over the trailing twelve months: Acme United (ACU) +9.0%, Intuitive Surgical (ISRG) +20.5%, Rockwell Medical (RMTI) -21.1%.

Which company is more profitable?

Intuitive Surgical (ISRG) has the highest net margin (Acme United (ACU) 4.6%, Intuitive Surgical (ISRG) 25.5%, Rockwell Medical (RMTI) -7.3%).

Which stock has performed better?

Over the past year Rockwell Medical (RMTI) returned the most: Acme United (ACU) +88.2%, Intuitive Surgical (ISRG) -10.5%, Rockwell Medical (RMTI) +674.0%. Over five years, Acme United (ACU) compounded fastest (Acme United (ACU) +14.7%/yr, Intuitive Surgical (ISRG) +5.7%/yr, Rockwell Medical (RMTI) +6.7%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Acme United (ACU) 0.90%. Intuitive Surgical (ISRG) and Rockwell Medical (RMTI) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Acme United (ACU) has been the steadiest (Acme United (ACU) 30.8%, Intuitive Surgical (ISRG) 35.9%, Rockwell Medical (RMTI) 402.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ACU, ISRG and RMTI?

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