IDEXX Laboratories vs ResMed: Which Stock Could Rally?
IDEXX Laboratories surged 5.3% during the past Day. You may be tempted to buy more, or may want to reduce your exposure. But there is an entirely different perspective you might be missing. Is there a better alternative? Turns out, its peer ResMed gives you more. ResMed (RMD) stock offers superior revenue growth across key periods, better profitability, and relatively lower valuation vs IDEXX Laboratories (IDXX) stock, suggesting you may be better off investing in RMD
- RMD’s Last 12 Months revenue growth was 9.4%, vs. IDXX’s 8.4%.
- In addition, its Last 3-Year Average revenue growth came in at 13.3%, ahead of IDXX’s 7.7%.
- RMD leads on profitability over both periods – LTM margin of 33.5% and 3-year average of 30.3%.
These differences become even clearer when you look at the financials side by side. The table highlights how IDXX’s fundamentals stack up against those of RMD on growth, margins, momentum, and valuation multiples.
Valuation & Performance Overview
| IDXX | RMD | Preferred | |
|---|---|---|---|
| Valuation | |||
| P/EBIT Ratio | 44.5 | 20.8 | RMD |
| Revenue Growth | |||
| Last Quarter | 13.3% | 9.1% | IDXX |
| Last 12 Months | 8.4% | 9.4% | RMD |
| Last 3 Year Average | 7.7% | 13.3% | RMD |
| Operating Margins | |||
| Last 12 Months | 31.3% | 33.5% | RMD |
| Last 3 Year Average | 30.1% | 30.3% | RMD |
| Momentum | |||
| Last 3 Year Return | 75.8% | 14.5% | IDXX |
Note: For “Last 3 Year Return” metric, preferred stock is one with higher returns unless the returns are too high (>300%) which creates risk of sell off.
See more revenue details: IDXX Revenue Comparison | RMD Revenue Comparison
See more margin details: IDXX Operating Income Comparison | RMD Operating Income Comparison
See detailed fundamentals on Buy or Sell RMD Stock and Buy or Sell IDXX Stock. Below we compare market return and related metrics across years.
Historical Market Performance
| 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Total [1] | Avg | Best | |
|---|---|---|---|---|---|---|---|---|---|
| Returns | |||||||||
| IDXX Return | 91% | 32% | -38% | 36% | -26% | 67% | 164% | <=== | |
| RMD Return | 38% | 23% | -19% | -17% | 34% | 8% | 66% | ||
| S&P 500 Return | 16% | 27% | -19% | 24% | 23% | 11% | 102% | ||
| Monthly Win Rates [3] | |||||||||
| IDXX Win Rate | 75% | 58% | 42% | 50% | 42% | 60% | 54% | ||
| RMD Win Rate | 75% | 50% | 50% | 58% | 50% | 60% | 57% | ||
| S&P 500 Win Rate | 58% | 75% | 42% | 67% | 75% | 70% | 64% | <=== | |
| Max Drawdowns [4] | |||||||||
| IDXX Max Drawdown | -30% | -7% | -51% | -4% | -27% | -13% | -22% | ||
| RMD Max Drawdown | -26% | -15% | -26% | -35% | -4% | -10% | -19% | ||
| S&P 500 Max Drawdown | -31% | -1% | -25% | -1% | -2% | -15% | -12% | <=== | |
[1] Cumulative total returns since the beginning of 2020
[2] 2025 data is for the year up to 11/21/2025 (YTD)
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
No matter how good the numbers, stock investment is never a smooth ride. There is a risk you must factor in. Read RMD Dip Buyer Analyses and IDXX Dip Buyer Analyses to see how these stocks have fallen and recovered in the past.
Still not sure about IDXX or RMD? Consider portfolio approach.
Portfolios Are The Smarter Way To Invest
Individual picks can be volatile but staying invested is what matters. A diversified portfolio helps you stay the course, capture upside and reduce downside
The Trefis High Quality (HQ) Portfolio, with a collection of 30 stocks, has a track record of comfortably outperforming its benchmark that includes all 3 – the S&P 500, S&P mid-cap, and Russell 2000 indices. Why is that? As a group, HQ Portfolio stocks provided better returns with less risk versus the benchmark index; less of a roller-coaster ride, as evident in HQ Portfolio performance metrics.