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Stock Comparison

BSX vs TMO

Revenue, margins, valuation, and 5-year total return — side by side.

Live fundamentals10-year financials5-year price chart
BSX
Boston Scientific Corporation

Medical - Devices

HealthcareNYSE • US
Market Cap$83.23B
5Y Perf.+47.4%
TMO
Thermo Fisher Scientific Inc.

Medical - Diagnostics & Research

HealthcareNYSE • US
Market Cap$175.76B
5Y Perf.+35.4%

BSX vs TMO — Key Financials

Market cap, revenue, margins, and valuation side-by-side.

Company Snapshot
BSX logoBSX
TMO logoTMO
IndustryMedical - DevicesMedical - Diagnostics & Research
Market Cap$83.23B$175.76B
Revenue (TTM)$20.07B$45.20B
Net Income (TTM)$2.89B$6.86B
Gross Margin69.0%39.4%
Operating Margin19.8%17.8%
Forward P/E16.6x19.0x
Total Debt$12.42B$40.85B
Cash & Equiv.$2.04B$9.86B

BSX vs TMOLong-Term Stock Performance

Price return indexed to 100 at period start. Dividends excluded.

BSX
TMO
StockMay 20May 26Return
Boston Scientific C… (BSX)100147.4+47.4%
Thermo Fisher Scien… (TMO)100135.4+35.4%

Price return only. Dividends and distributions are not included.

Quick Verdict: BSX vs TMO

Each card shows where this stock fits in a portfolio — not just who wins on paper.

Bottom line: BSX leads in 4 of 7 categories, making it the strongest pick for growth and revenue expansion and valuation and capital efficiency. Thermo Fisher Scientific Inc. is the stronger pick specifically for profitability and margin quality and dividend income and shareholder returns. As sector peers, any of these can serve as alternatives in the same allocation.
BSX
Boston Scientific Corporation
The Income Pick

BSX carries the broadest edge in this set and is the clearest fit for income & stability and growth exposure.

  • Dividend streak 0 yrs, beta 0.34
  • Rev growth 19.9%, EPS growth 55.2%, 3Y rev CAGR 16.5%
  • Lower volatility, beta 0.34, Low D/E 50.7%, current ratio 1.62x
Best for: income & stability and growth exposure
TMO
Thermo Fisher Scientific Inc.
The Long-Run Compounder

TMO is the clearest fit if your priority is long-term compounding.

  • 229.1% 10Y total return vs BSX's 154.2%
  • 15.2% margin vs BSX's 14.4%
  • 0.4% yield; 8-year raise streak; the other pay no meaningful dividend
Best for: long-term compounding
See the full category breakdown
CategoryWinnerWhy
GrowthBSX logoBSX19.9% revenue growth vs TMO's 3.9%
ValueBSX logoBSXLower P/E (16.6x vs 19.0x)
Quality / MarginsTMO logoTMO15.2% margin vs BSX's 14.4%
Stability / SafetyBSX logoBSXBeta 0.34 vs TMO's 1.10, lower leverage
DividendsTMO logoTMO0.4% yield; 8-year raise streak; the other pay no meaningful dividend
Momentum (1Y)TMO logoTMO+16.6% vs BSX's -46.2%
Efficiency (ROA)BSX logoBSX6.9% ROA vs TMO's 6.4%, ROIC 8.8% vs 7.5%

BSX vs TMO — Revenue Breakdown by Segment

How each company's revenue is distributed across its business units

BSXBoston Scientific Corporation
FY 2025
Cardiovascular
66.0%$13.3B
MedSurg
34.0%$6.8B
TMOThermo Fisher Scientific Inc.
FY 2025
Consumables
41.9%$18.7B
Service
41.7%$18.6B
Instruments
16.4%$7.3B

BSX vs TMO — Financial Metrics

Side-by-side numbers across 2 stocks — who leads on profitability, valuation, growth, and risk.

BEST OVERALLBSXLAGGINGTMO

Income & Cash Flow (Last 12 Months)

BSX leads this category, winning 5 of 6 comparable metrics.

TMO is the larger business by revenue, generating $45.2B annually — 2.3x BSX's $20.1B. Profitability is closely matched — net margins range from 15.2% (TMO) to 14.4% (BSX). On growth, BSX holds the edge at +15.9% YoY revenue growth, suggesting stronger near-term business momentum.

MetricBSX logoBSXBoston Scientific…TMO logoTMOThermo Fisher Sci…
RevenueTrailing 12 months$20.1B$45.2B
EBITDAEarnings before interest/tax$4.7B$10.5B
Net IncomeAfter-tax profit$2.9B$6.9B
Free Cash FlowCash after capex$3.6B$6.7B
Gross MarginGross profit ÷ Revenue+69.0%+39.4%
Operating MarginEBIT ÷ Revenue+19.8%+17.8%
Net MarginNet income ÷ Revenue+14.4%+15.2%
FCF MarginFCF ÷ Revenue+18.1%+14.9%
Rev. Growth (YoY)Latest quarter vs prior year+15.9%+6.2%
EPS Growth (YoY)Latest quarter vs prior year+18.5%+11.3%
BSX leads this category, winning 5 of 6 comparable metrics.

Valuation Metrics

TMO leads this category, winning 4 of 6 comparable metrics.

At 26.7x trailing earnings, TMO trades at a 8% valuation discount to BSX's 28.9x P/E. On an enterprise value basis, TMO's 19.0x EV/EBITDA is more attractive than BSX's 25.1x.

MetricBSX logoBSXBoston Scientific…TMO logoTMOThermo Fisher Sci…
Market CapShares × price$83.2B$175.8B
Enterprise ValueMkt cap + debt − cash$93.6B$206.8B
Trailing P/EPrice ÷ TTM EPS28.87x26.66x
Forward P/EPrice ÷ next-FY EPS est.16.58x19.04x
PEG RatioP/E ÷ EPS growth rate12.62x
EV / EBITDAEnterprise value multiple25.07x18.99x
Price / SalesMarket cap ÷ Revenue4.15x3.94x
Price / BookPrice ÷ Book value/share3.42x3.33x
Price / FCFMarket cap ÷ FCF22.75x27.93x
TMO leads this category, winning 4 of 6 comparable metrics.

Profitability & Efficiency

BSX leads this category, winning 8 of 9 comparable metrics.

TMO delivers a 13.2% return on equity — every $100 of shareholder capital generates $13 in annual profit, vs $12 for BSX. BSX carries lower financial leverage with a 0.51x debt-to-equity ratio, signaling a more conservative balance sheet compared to TMO's 0.76x. On the Piotroski fundamental quality scale (0–9), BSX scores 7/9 vs TMO's 6/9, reflecting strong financial health.

MetricBSX logoBSXBoston Scientific…TMO logoTMOThermo Fisher Sci…
ROE (TTM)Return on equity+12.4%+13.2%
ROA (TTM)Return on assets+6.9%+6.4%
ROICReturn on invested capital+8.8%+7.5%
ROCEReturn on capital employed+11.1%+9.1%
Piotroski ScoreFundamental quality 0–976
Debt / EquityFinancial leverage0.51x0.76x
Net DebtTotal debt minus cash$10.4B$31.0B
Cash & Equiv.Liquid assets$2.0B$9.9B
Total DebtShort + long-term debt$12.4B$40.9B
Interest CoverageEBIT ÷ Interest expense11.03x5.89x
BSX leads this category, winning 8 of 9 comparable metrics.

Total Returns (Dividends Reinvested)

Evenly matched — BSX and TMO each lead in 3 of 6 comparable metrics.

A $10,000 investment in BSX five years ago would be worth $13,011 today (with dividends reinvested), compared to $10,211 for TMO. Over the past 12 months, TMO leads with a +16.6% total return vs BSX's -46.2%. The 3-year compound annual growth rate (CAGR) favors BSX at 1.8% vs TMO's -4.2% — a key indicator of consistent wealth creation.

MetricBSX logoBSXBoston Scientific…TMO logoTMOThermo Fisher Sci…
YTD ReturnYear-to-date-40.9%-20.1%
1-Year ReturnPast 12 months-46.2%+16.6%
3-Year ReturnCumulative with dividends+5.4%-11.9%
5-Year ReturnCumulative with dividends+30.1%+2.1%
10-Year ReturnCumulative with dividends+154.2%+229.1%
CAGR (3Y)Annualised 3-year return+1.8%-4.2%
Evenly matched — BSX and TMO each lead in 3 of 6 comparable metrics.

Risk & Volatility

Evenly matched — BSX and TMO each lead in 1 of 2 comparable metrics.

BSX is the less volatile stock with a 0.34 beta — it tends to amplify market swings less than TMO's 1.10 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. TMO currently trades 73.4% from its 52-week high vs BSX's 51.1% drawdown — a narrower gap to the peak suggests stronger recent price momentum.

MetricBSX logoBSXBoston Scientific…TMO logoTMOThermo Fisher Sci…
Beta (5Y)Sensitivity to S&P 5000.34x1.10x
52-Week HighHighest price in past year$109.50$643.99
52-Week LowLowest price in past year$54.98$385.46
% of 52W HighCurrent price vs 52-week peak+51.1%+73.4%
RSI (14)Momentum oscillator 0–10033.139.8
Avg Volume (50D)Average daily shares traded15.3M1.9M
Evenly matched — BSX and TMO each lead in 1 of 2 comparable metrics.

Analyst Outlook

TMO leads this category, winning 1 of 1 comparable metric.

Wall Street rates BSX as "Buy" and TMO as "Buy". Consensus price targets imply 63.1% upside for BSX (target: $91) vs 38.4% for TMO (target: $655). TMO is the only dividend payer here at 0.36% yield — a key consideration for income-focused portfolios.

MetricBSX logoBSXBoston Scientific…TMO logoTMOThermo Fisher Sci…
Analyst RatingConsensus buy/hold/sellBuyBuy
Price TargetConsensus 12-month target$91.33$654.67
# AnalystsCovering analysts4342
Dividend YieldAnnual dividend ÷ price+0.4%
Dividend StreakConsecutive years of raises08
Dividend / ShareAnnual DPS$1.69
Buyback YieldShare repurchases ÷ mkt cap0.0%+1.7%
TMO leads this category, winning 1 of 1 comparable metric.
Key Takeaway

BSX leads in 2 of 6 categories (Income & Cash Flow, Profitability & Efficiency). TMO leads in 2 (Valuation Metrics, Analyst Outlook). 2 tied.

Best OverallBoston Scientific Corporati… (BSX)Leads 2 of 6 categories
Loading custom metrics...

BSX vs TMO: Frequently Asked Questions

10 questions · data-driven answers · updated daily

01

Is BSX or TMO a better buy right now?

For growth investors, Boston Scientific Corporation (BSX) is the stronger pick with 19.

9% revenue growth year-over-year, versus 3. 9% for Thermo Fisher Scientific Inc. (TMO). Thermo Fisher Scientific Inc. (TMO) offers the better valuation at 26. 7x trailing P/E (19. 0x forward), making it the more compelling value choice. Analysts rate Boston Scientific Corporation (BSX) a "Buy" — based on 43 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

02

Which has the better valuation — BSX or TMO?

On trailing P/E, Thermo Fisher Scientific Inc.

(TMO) is the cheapest at 26. 7x versus Boston Scientific Corporation at 28. 9x. On forward P/E, Boston Scientific Corporation is actually cheaper at 16. 6x — notably different from the trailing picture, reflecting expected earnings growth.

03

Which is the better long-term investment — BSX or TMO?

Over the past 5 years, Boston Scientific Corporation (BSX) delivered a total return of +30.

1%, compared to +2. 1% for Thermo Fisher Scientific Inc. (TMO). Over 10 years, the gap is even starker: TMO returned +229. 1% versus BSX's +154. 2%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

04

Which is safer — BSX or TMO?

By beta (market sensitivity over 5 years), Boston Scientific Corporation (BSX) is the lower-risk stock at 0.

34β versus Thermo Fisher Scientific Inc. 's 1. 10β — meaning TMO is approximately 219% more volatile than BSX relative to the S&P 500. On balance sheet safety, Boston Scientific Corporation (BSX) carries a lower debt/equity ratio of 51% versus 76% for Thermo Fisher Scientific Inc. — giving it more financial flexibility in a downturn.

05

Which is growing faster — BSX or TMO?

By revenue growth (latest reported year), Boston Scientific Corporation (BSX) is pulling ahead at 19.

9% versus 3. 9% for Thermo Fisher Scientific Inc. (TMO). On earnings-per-share growth, the picture is similar: Boston Scientific Corporation grew EPS 55. 2% year-over-year, compared to 7. 3% for Thermo Fisher Scientific Inc.. Over a 3-year CAGR, BSX leads at 16. 5% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

06

Which has better profit margins — BSX or TMO?

Thermo Fisher Scientific Inc.

(TMO) is the more profitable company, earning 15. 1% net margin versus 14. 4% for Boston Scientific Corporation — meaning it keeps 15. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: BSX leads at 19. 8% versus 18. 2% for TMO. At the gross margin level — before operating expenses — BSX leads at 69. 0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

07

Is BSX or TMO more undervalued right now?

On forward earnings alone, Boston Scientific Corporation (BSX) trades at 16.

6x forward P/E versus 19. 0x for Thermo Fisher Scientific Inc. — 2. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for BSX: 63. 1% to $91. 33.

08

Which pays a better dividend — BSX or TMO?

In this comparison, TMO (0.

4% yield) pays a dividend. BSX does not pay a meaningful dividend and should not be held primarily for income.

09

Is BSX or TMO better for a retirement portfolio?

For long-horizon retirement investors, Boston Scientific Corporation (BSX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

34), +154. 2% 10Y return). Both have compounded well over 10 years (BSX: +154. 2%, TMO: +229. 1%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

10

What are the main differences between BSX and TMO?

Both stocks operate in the Healthcare sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: BSX is a mid-cap high-growth stock; TMO is a mid-cap quality compounder stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.

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BSX

High-Growth Compounder

  • Sector: Healthcare
  • Market Cap > $100B
  • Revenue Growth > 7%
  • Net Margin > 8%
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TMO

Stable Dividend Mega-Cap

  • Sector: Healthcare
  • Market Cap > $100B
  • Revenue Growth > 5%
  • Net Margin > 9%
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Custom Screen

Beat Both

Find stocks that outperform BSX and TMO on the metrics below

Revenue Growth>
%
(BSX: 15.9% · TMO: 6.2%)
Net Margin>
%
(BSX: 14.4% · TMO: 15.2%)
P/E Ratio<
x
(BSX: 28.9x · TMO: 26.7x)

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