CDIO vs HOLX vs EXAS vs IDXX

For growth investors, Cardio Diagnostics Holdings, Inc.

(CDIO) is the stronger pick with 104. 5% revenue growth year-over-year, versus 1. 7% for Hologic, Inc. (HOLX). Hologic, Inc. (HOLX) offers the better valuation at 30. 5x trailing P/E (17. 2x forward), making it the more compelling value choice. Analysts rate Cardio Diagnostics Holdings, Inc. (CDIO) a "Buy" — based on 1 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.

On trailing P/E, Hologic, Inc.

(HOLX) is the cheapest at 30. 5x versus IDEXX Laboratories, Inc. at 43. 7x. On forward P/E, Hologic, Inc. is actually cheaper at 17. 2x.

Over the past 5 years, Hologic, Inc.

(HOLX) delivered a total return of +15. 8%, compared to -99. 4% for Cardio Diagnostics Holdings, Inc. (CDIO). Over 10 years, the gap is even starker: EXAS returned +1669% versus CDIO's -99. 4%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Exact Sciences Corporation (EXAS) is the lower-risk stock at 0.

05β versus Cardio Diagnostics Holdings, Inc. 's 3. 09β — meaning CDIO is approximately 5766% more volatile than EXAS relative to the S&P 500. On balance sheet safety, Cardio Diagnostics Holdings, Inc. (CDIO) carries a lower debt/equity ratio of 10% versus 105% for Exact Sciences Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Cardio Diagnostics Holdings, Inc.

(CDIO) is pulling ahead at 104. 5% versus 1. 7% for Hologic, Inc. (HOLX). On earnings-per-share growth, the picture is similar: Exact Sciences Corporation grew EPS 80. 3% year-over-year, compared to -25. 0% for Hologic, Inc.. Over a 3-year CAGR, CDIO leads at 238. 3% 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.

IDEXX Laboratories, Inc.

(IDXX) is the more profitable company, earning 24. 6% net margin versus -240. 3% for Cardio Diagnostics Holdings, Inc. — meaning it keeps 24. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: IDXX leads at 31. 6% versus -239. 8% for CDIO. At the gross margin level — before operating expenses — CDIO leads at 100. 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.

On forward earnings alone, Hologic, Inc.

(HOLX) trades at 17. 2x forward P/E versus 582. 8x for Exact Sciences Corporation — 565. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for IDXX: 30. 6% to $747. 50.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

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

05), +1669% 10Y return). Cardio Diagnostics Holdings, Inc. (CDIO) carries a higher beta of 3. 09 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (EXAS: +1669%, CDIO: -99. 4%), 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.

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: CDIO is a small-cap high-growth stock; HOLX is a mid-cap quality compounder stock; EXAS is a mid-cap high-growth stock; IDXX 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.