BSX vs MDT: Which Is the Better Buy in 2026?

Last updated September 2026

Short answer

MDT is the larger of the two ($117.81B market cap): the incumbent the market prices for continued execution (14.38x forward earnings, beta 0.57). BSX is the smaller challenger ($69.68B), priced similarly on forward earnings (14.00x): more room to run, but more to prove. The real question is which set of drivers you believe, and whether owning one (or both) leaves you over-concentrated.

BSX vs MDT: the tie-breaker metrics

Same yardstick, side by side (as of September 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

MetricBSXMDTWhat it tells you
Market cap$69.68B$117.81BSize. The larger name is the incumbent; the smaller has more room to grow and more to prove.
Forward P/E14.0014.38Valuation on next year's expected earnings, the same yardstick for both. Lower is cheaper for that growth; higher means the market is paying up.
Trailing P/E19.4724.68Valuation on the last 12 months. A big drop from trailing to forward means the market expects earnings to jump, so more growth is already in the price.
Beta0.570.57Volatility vs the market. Above 1 swings harder than the index; below 1 is steadier. Higher beta means bigger drawdowns to hold through.
Price vs 52-week range9% of range57% of rangeWhere today's price sits between the 52-week low and high. Near the high is momentum with less margin of safety; near the low is out of favor or a discount, depending on why.
Price / book2.792.38How much you pay over book value. Very high can signal an asset-light, high-return business or a rich price.

Before you buy: how BSX and MDT affect your concentration

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. BSX and MDT share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined BSX and MDT exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

What does Boston Scientific Corporation (BSX) do?

Boston Scientific Corporation is a Marlborough, Massachusetts-based medical device company that develops, manufactures, and markets minimally invasive devices used in interventional cardiology, electrophysiology, structural heart, peripheral interventions, endoscopy, urology, neuromodulation, and cardiac rhythm management. It reports through two broad segments: Cardiovascular, which houses the fast-growing electrophysiology business (led by the Farapulse pulsed field ablation system) and the Watchman left-atrial-appendage closure franchise, and MedSurg, which spans endoscopy, urology, and neuromodulation. The company sells into hospitals and physicians across roughly 130 countries and competes at the leading edge of catheter-based and device-based procedures that substitute for more invasive surgery.

Full BSX guide

What does Medtronic (MDT) do?

Medtronic is one of the largest medical device companies in the world, designing, manufacturing, and selling therapies and devices across a broad range of chronic and acute conditions. Its business spans four main areas: Cardiovascular (pacemakers, defibrillators, heart valves, and cardiac ablation), Neuroscience (spine implants, neuromodulation for pain and movement disorders, and surgical navigation), Medical Surgical (surgical stapling, energy devices, and a growing robotic-surgery platform), and Diabetes (insulin pumps and continuous glucose monitoring). The company sells primarily to hospitals, surgeons, and health systems, generating durable, recurring demand tied to procedure volumes and chronic-disease management. Medtronic's scale gives it deep relationships with providers, a large installed base of devices, and the resources to fund extensive R&D and acquisitions. Growth depends on new product cycles, pipeline approvals, and global expansion, especially in emerging markets. Founded in 1949 and headquartered in Ireland for tax purposes (operationally rooted in Minnesota), Medtronic is a large-cap, dividend-growing medical-technology company tied to long-term healthcare demand and aging demographics.

Full MDT guide

BSX vs MDT: how do they differ?

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

  • BSX drivers: Farapulse and the Pulsed Field Ablation Wave; Watchman Franchise Expansion.
  • MDT drivers: Diversified device portfolio; Innovation pipeline and new product cycles.

Which fits which kind of investor

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: The most immediate concern flagged with 2026 guidance was unanticipated headwinds in electrophysiology, Watchman, and urology, which prompted management to frame organic growth guidance of 6.5% to 8%, below the pace of recent years and a signal that the newest franchises may be decelerating from peak growth rates. For MDT, medtronic has at times delivered sluggish organic growth, raising concerns that its scale slows innovation relative to nimbler competitors like Boston Scientific and Edwards Lifesciences.

BSX or MDT: which should you pick?

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick BSX if you believe its drivers more; MDT if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the BSX and MDT guides.

BSX vs MDT: the full fundamentals

BSX. Boston Scientific's trailing P/E of roughly 18x sits well below the peer-group average of roughly 34x cited by valuation trackers, a reversal from the sustained premium multiple the stock carried during its high-growth phase. The compression followed a steep share-price decline over the trailing year that coincided with a downward revision to organic growth guidance and disappointing signals in electrophysiology, Watchman, and urology. Net profit margin runs near 17%, and full-year 2026 adjusted EPS growth is guided to 9% to 11%, so the debate is whether the lower multiple reflects fair concern about decelerating growth or an over-correction relative to the franchise's still-double-digit earnings trajectory.

MDT. Medtronic trades at a moderate valuation relative to faster-growing medtech peers, reflecting its scale, diversification, and reliable dividend but also a track record of slower organic growth. The multiple has expanded when new product cycles reaccelerated growth and compressed during periods of execution stumbles. The yield gives it a defensive, income-oriented profile within healthcare.

Headline figures (approximate, July 2026): BSX shows revenue (ttm) ~$20.6 billion, revenue (fy 2025) ~$20 billion, q1 2026 revenue ~$5.2 billion (+11.6% YoY reported, ~9.4% organic), adjusted eps guidance (fy 2026) ~$3.34 to $3.41 (9% to 11% growth); MDT shows revenue (ttm) ~$33 billion, operating margin ~20% (non-GAAP higher; GAAP affected by amortization), net income (ttm) ~$4.5 billion, eps (ttm) ~$3.50 GAAP; non-GAAP higher.

The bottom line: BSX vs MDT

BSX and MDT are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined BSX and MDT exposure against your real portfolio. It is not an investment adviser.

Wondering how BSX or MDT fits the portfolio you already own? Walnut is an AI investing app that connects your brokerage read-only and answers questions like that about your actual holdings: overlap, concentration, and how each position tracks the S&P 500. Compare the best AI portfolio analyzers or see the best AI investing apps in 2026.

Investing in Boston Scientific Corporation with AI

Connect the broker you already use and ask Walnut's AI how BSX fits what you actually hold: whether you own it already through a fund, what it would do to your concentration, and how it has tracked the S&P 500. Read-only by default, and you approve anything before it reaches your broker.

FAQ

What is the difference between BSX and MDT?

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Boston Scientific Corporation is a Marlborough, Massachusetts-based medical device company that develops, manufactures, and markets minimally invasive devices used in interventional cardiology, electrophysiology, structural heart, peripheral interventions, endoscopy, urology, neuromodulation, and cardiac rhythm management. Medtronic is one of the largest medical device companies in the world, designing, manufacturing, and selling therapies and devices across a broad range of chronic and acute conditions. They show up together because they share investment themes, but they are different businesses, so the better fit depends on which thesis you are expressing.

Is BSX or MDT the better stock?

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Neither is universally better. MDT is the larger incumbent; BSX is the smaller challenger and looks cheaper on forward earnings. Walnut is informational, not investment advice. Compare what each does, the tie-breaker metrics above, and the risks, then decide which fits your thesis and what you already own.

Which is cheaper, BSX or MDT?

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On forward P/E (as of September 2026), BSX trades at 14.00x and MDT at 14.38x, so BSX is the cheaper of the two on next year's expected earnings. A lower multiple is not automatically the better buy: a richer valuation can be justified by faster growth, and a lower one can reflect real risk. Weigh the multiple against how fast each business is compounding.

Should you own both BSX and MDT?

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Because they share themes, owning both concentrates you in that theme. That can be intentional (a focused bet) or accidental (less diversification than it looks). Walnut can show your combined exposure across both, and whether adding either over-concentrates you, before you buy.

What are the risks of BSX vs MDT?

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BSX: The most immediate concern flagged with 2026 guidance was unanticipated headwinds in electrophysiology, Watchman, and urology, which prompted management to frame organic growth guidance of 6.5% to 8%, below the pace of recent years and a signal that the newest franchises may be decelerating from peak growth rates. Competition is intensifying as Medtronic and Johnson and Johnson scale their own pulsed field ablation systems, which could erode Boston Scientific's early PFA share and pressure pricing. The stock has historically carried a premium valuation, so any slowdown in the growth narrative can trigger outsized share-price reactions, as seen in a sharp post-earnings selloff. Foreign exchange swings, hospital capital-spending cycles, product-recall or safety-signal risk inherent to implantable devices, and reimbursement or regulatory changes each add uncertainty. Integration risk from the company's ongoing acquisition strategy is a further variable that can affect margins and management focus. MDT: Medtronic has at times delivered sluggish organic growth, raising concerns that its scale slows innovation relative to nimbler competitors like Boston Scientific and Edwards Lifesciences. The Hugo robotic platform faces an entrenched Intuitive Surgical, and the diabetes business has battled competitive pressure and prior regulatory issues. Device companies face reimbursement pressure, hospital budget constraints, FDA approval and recall risk, and litigation exposure. A large international footprint brings currency headwinds. The valuation is moderate but the stock has lagged when growth disappointed. New-product execution, pipeline timing, and the ability to reaccelerate organic growth remain the key swing factors for the investment case.

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Walnut is informational, not investment advice. This page is descriptive and not a recommendation to buy or sell BSX or MDT; figures are approximate and dated (as of September 2026). Verify current data before investing.