Top 15 Instruments & Supplies Medical Stocks
Marvin ranked 15 Medical - Instruments & Supplies companies above about $300 million in size by Overall score. ResMed, LeMaitre Vascular and AptarGroup lead the list as of October 2026.
Medical instruments and supplies companies make the tools, devices and disposable products that hospitals, clinics and patients use every day. This list covers 15 of them, ordered by Marvin's Overall score, with ResMed Inc. first.
Each company is described with a few simple figures: how fast sales grew, how much profit it keeps from each dollar of sales, and how much debt it carries. A strong figure in one area does not make up for a weak one in another, so read the caution on each pick.
Marvin's scores only describe how a company compares with others in this industry today. They are not forecasts or advice, and a lower-ranked company may still have strengths that a single score hides.
The list
How Marvin ranked these stocks
Marvin included companies above about $300 million in size in the Medical - Instruments & Supplies industry and ranked them by Overall score, highest first. The scores run from 0 to 100 and are relative to each company's own industry. A high score means a company looks strong compared with its industry peers, not compared with every stock in the market.
Companies above about $300 million in size, ranked by Marvin scores (0-100, relative to each company's own industry). The Medical - Instruments & Supplies industry, highest Overall score first.
The stocks, one by one
ResMed Inc. RMD
ResMed leads the list with an overall score of 93 and a quality score of 96. Its operating margin of 33.4% and free cash flow margin of 29.2% point to strong profitability, and debt is low at 0.13 debt-to-equity. Caution: revenue growth was a moderate 9.9%.
LeMaitre Vascular, Inc. LMAT
LeMaitre Vascular scores 87 overall, helped by a high gross margin of 72.9% and an operating margin of 29.5%. Revenue grew 13.5% last fiscal year, a healthy pace. Caution: its opportunity score is a middling 56, and no debt figure is available.
AptarGroup, Inc. ATR
AptarGroup has an overall score of 84, with revenue growth of 5.4% and return on equity of 13.8%. Debt-to-equity of 0.53 is fairly modest. Caution: its operating margin of 12.1% is much thinner than the top two, and no gross margin figure is available.
Intuitive Surgical, Inc. ISRG
Intuitive Surgical has the highest quality score on the list at 91, with revenue growth of 20.5% and an operating margin of 31.3%. Caution: its opportunity score is only 12, the lowest among the top five, and no debt figure is available.
West Pharmaceutical Services, Inc. WST
West Pharmaceutical Services posts a quality score of 85, an operating margin of 20.5% and very low debt at 0.11 debt-to-equity. Revenue growth of 6.3% is moderate. Caution: its opportunity score is just 28, and its gross margin of 36.8% is lower than most peers here.
Merit Medical Systems, Inc. MMSI
Merit Medical Systems grew revenue 11.8% and turned 12.9% of sales into free cash flow. Its quality score is 80. Caution: return on equity is only 8.7% and operating margin is 12.8%, so profits are modest next to the higher-margin names above.
Solventum Corporation SOLV
Solventum has the highest opportunity score on the list at 87 and an operating margin of 25.0%. Caution: revenue growth was only 0.9%, free cash flow margin was negative at -1.4%, and debt-to-equity of 1.10 is on the higher side.
Embecta Corp. EMBC
Embecta has an overall score of 59 and an opportunity score of 77. It posts an operating margin of 21.9% and a free cash flow margin of 16.2%. Caution: revenue shrank, with growth of -3.8%, and return on equity and debt figures are not available.
Becton, Dickinson and Company BDX
Becton, Dickinson grew revenue 8.2% and has a free cash flow margin of 14.2%, with a quality score of 70. Caution: its operating margin of 10.7% and return on equity of 3.9% are low for this group.
The Cooper Companies, Inc. COO
Cooper Companies has a gross margin of 65.9% and a free cash flow margin of 16.0%, with debt-to-equity of 0.38. Caution: revenue growth of 5.1% is modest and return on equity of 6.8% is low.
Repligen Corporation RGEN
Repligen grew revenue 16.4%, one of the faster rates here, and has a free cash flow margin of 14.3% with debt-to-equity of 0.33. Caution: operating margin is just 8.2%, return on equity is 2.0%, and its opportunity score is 82.
AtriCure, Inc. ATRC
AtriCure has a high gross margin of 76.3%, revenue growth of 14.9% and low debt at 0.14 debt-to-equity. Caution: operating margin is only 2.3% and return on equity is 2.0%, so little profit remains from each dollar of sales.
Envista Holdings Corp NVST
Envista Holdings has a quality score of 75 and a gross margin of 55.2%, with revenue growth of 8.3%. Caution: operating margin of 9.6% and return on equity of 3.1% are thin, and the opportunity score is just 17.
Medline Inc. MDLN
Medline grew revenue 11.5% last fiscal year and has a quality score of 59. Caution: its gross margin of 26.2% and operating margin of 6.1% are among the thinnest here, debt-to-equity is 1.09, and no return on equity figure is available.
AngioDynamics, Inc. ANGO
AngioDynamics grew revenue 9.5% and has a gross margin of 55.7%, with an opportunity score of 69. Caution: it is losing money at the operating level, with an operating margin of -11.2% and return on equity of -20.1%, and no debt figure is available.
Common questions
What do medical instruments and supplies companies do?
They make products used in patient care, such as surgical tools, catheters, monitoring devices, syringes, drug-delivery components and other disposable or reusable medical items. Their customers are often hospitals, clinics and healthcare distributors.
Why are Marvin's scores relative to each company's industry?
Normal profit margins and debt levels differ a lot between industries. Comparing a company only with its industry peers gives a fairer picture of whether it is strong or weak for its type of business.
Does a high Overall score mean a stock is a good purchase?
No. The score describes how a company compares with industry peers today, based on figures like profitability, growth and debt. It does not predict future results or say whether to buy, sell or hold, so use it as a starting point for your own research.
Why do some companies have missing figures?
Some figures are not available for every company in the data. When one is missing, such as a debt or return on equity figure, the blurb says so and relies on the figures that are available.
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Marvin's scores (0-100) compare each company with others in its industry today. Growth and margin figures come from SEC filings. This is general information, not personal investment advice or a recommendation to buy or sell anything. Do your own research.