QTRX vs BIO

For growth investors, Quanterix Corporation (QTRX) is the stronger pick with 2.

6% revenue growth year-over-year, versus 0. 7% for Bio-Rad Laboratories, Inc. (BIO). Bio-Rad Laboratories, Inc. (BIO) offers the better valuation at 9. 2x trailing P/E (25. 0x forward), making it the more compelling value choice. Analysts rate Quanterix Corporation (QTRX) a "Buy" — based on 10 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.

Over the past 5 years, Bio-Rad Laboratories, Inc.

(BIO) delivered a total return of -57. 7%, compared to -95. 1% for Quanterix Corporation (QTRX). Over 10 years, the gap is even starker: BIO returned +81. 4% versus QTRX's -84. 3%. 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), Bio-Rad Laboratories, Inc.

(BIO) is the lower-risk stock at 0. 92β versus Quanterix Corporation's 1. 98β — meaning QTRX is approximately 114% more volatile than BIO relative to the S&P 500. On balance sheet safety, Quanterix Corporation (QTRX) carries a lower debt/equity ratio of 13% versus 21% for Bio-Rad Laboratories, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Quanterix Corporation (QTRX) is pulling ahead at 2.

6% versus 0. 7% for Bio-Rad Laboratories, Inc. (BIO). On earnings-per-share growth, the picture is similar: Bio-Rad Laboratories, Inc. grew EPS 142. 6% year-over-year, compared to -151. 0% for Quanterix Corporation. Over a 3-year CAGR, QTRX leads at 9. 6% 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.

Bio-Rad Laboratories, Inc.

(BIO) is the more profitable company, earning 29. 4% net margin versus -77. 1% for Quanterix Corporation — meaning it keeps 29. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: BIO leads at 10. 5% versus -62. 9% for QTRX. At the gross margin level — before operating expenses — BIO leads at 52. 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.

Analyst consensus price targets imply the most upside for QTRX: 45.

5% to $4. 00.

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, Bio-Rad Laboratories, Inc.

(BIO) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 92)). Quanterix Corporation (QTRX) carries a higher beta of 1. 98 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (BIO: +81. 4%, QTRX: -84. 3%), 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: QTRX is a small-cap quality compounder stock; BIO is a small-cap deep-value 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.