ANRO vs TMO vs CRL vs MEDP vs NVCR

For growth investors, Medpace Holdings, Inc.

(MEDP) is the stronger pick with 20. 0% revenue growth year-over-year, versus -0. 9% for Charles River Laboratories International, Inc. (CRL). Thermo Fisher Scientific Inc. (TMO) offers the better valuation at 26. 5x trailing P/E (18. 9x forward), making it the more compelling value choice. Analysts rate Alto Neuroscience, Inc. (ANRO) a "Buy" — based on 8 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, Thermo Fisher Scientific Inc.

(TMO) is the cheapest at 26. 5x versus Medpace Holdings, Inc. at 30. 6x. On forward P/E, Charles River Laboratories International, Inc. is actually cheaper at 16. 9x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Medpace Holdings, Inc. wins at 0. 86x versus Thermo Fisher Scientific Inc. 's 8. 94x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Medpace Holdings, Inc.

(MEDP) delivered a total return of +160. 4%, compared to -91. 9% for NovoCure Limited (NVCR). Over 10 years, the gap is even starker: MEDP returned +1582% versus ANRO's +3. 7%. 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), Thermo Fisher Scientific Inc.

(TMO) is the lower-risk stock at 0. 91β versus Alto Neuroscience, Inc. 's 2. 60β — meaning ANRO is approximately 186% more volatile than TMO relative to the S&P 500. On balance sheet safety, Alto Neuroscience, Inc. (ANRO) carries a lower debt/equity ratio of 3% versus 95% for Charles River Laboratories International, Inc. — giving it more financial flexibility in a downturn.

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

(MEDP) is pulling ahead at 20. 0% versus -0. 9% for Charles River Laboratories International, Inc. (CRL). On earnings-per-share growth, the picture is similar: NovoCure Limited grew EPS 21. 8% year-over-year, compared to -1555. 0% for Charles River Laboratories International, Inc.. Over a 3-year CAGR, MEDP leads at 20. 1% 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.

Medpace Holdings, Inc.

(MEDP) is the more profitable company, earning 17. 8% net margin versus -20. 8% for NovoCure Limited — meaning it keeps 17. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MEDP leads at 21. 1% versus -23. 5% for NVCR. At the gross margin level — before operating expenses — NVCR leads at 74. 5%, 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.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Medpace Holdings, Inc. (MEDP) is the more undervalued stock at a PEG of 0. 86x versus Thermo Fisher Scientific Inc. 's 8. 94x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Charles River Laboratories International, Inc. (CRL) trades at 16. 9x forward P/E versus 27. 5x for Medpace Holdings, Inc. — 10. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for NVCR: 88. 4% to $33. 50.

In this comparison, TMO (0.

4% yield) pays a dividend. ANRO, CRL, MEDP, NVCR do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Medpace Holdings, Inc.

(MEDP) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 04), +1582% 10Y return). Alto Neuroscience, Inc. (ANRO) carries a higher beta of 2. 60 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (MEDP: +1582%, ANRO: +3. 7%), 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: ANRO is a small-cap quality compounder stock; TMO is a mid-cap quality compounder stock; CRL is a small-cap quality compounder stock; MEDP is a mid-cap high-growth stock; NVCR is a small-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.