BTAI vs INVA vs ACAD vs PRGO vs MCK

For growth investors, BioXcel Therapeutics, Inc.

(BTAI) is the stronger pick with 64. 2% revenue growth year-over-year, versus -2. 8% for Perrigo Company plc (PRGO). Innoviva, Inc. (INVA) offers the better valuation at 6. 9x trailing P/E (7. 3x forward), making it the more compelling value choice. Analysts rate Innoviva, Inc. (INVA) 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.

On trailing P/E, Innoviva, Inc.

(INVA) is the cheapest at 6. 9x versus McKesson Corporation at 29. 2x. On forward P/E, Perrigo Company plc is actually cheaper at 5. 5x — 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: McKesson Corporation wins at 0. 43x versus Innoviva, Inc. 's 0. 71x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, McKesson Corporation (MCK) delivered a total return of +286.

9%, compared to -99. 7% for BioXcel Therapeutics, Inc. (BTAI). Over 10 years, the gap is even starker: MCK returned +339. 0% versus BTAI's -99. 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), McKesson Corporation (MCK) is the lower-risk stock at -0.

02β versus BioXcel Therapeutics, Inc. 's 2. 60β — meaning BTAI is approximately -15935% more volatile than MCK relative to the S&P 500. On balance sheet safety, ACADIA Pharmaceuticals Inc. (ACAD) carries a lower debt/equity ratio of 4% versus 135% for Perrigo Company plc — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), BioXcel Therapeutics, Inc.

(BTAI) is pulling ahead at 64. 2% versus -2. 8% for Perrigo Company plc (PRGO). On earnings-per-share growth, the picture is similar: Innoviva, Inc. grew EPS 816. 7% year-over-year, compared to -723. 2% for Perrigo Company plc. Over a 3-year CAGR, ACAD leads at 27. 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.

Innoviva, Inc.

(INVA) is the more profitable company, earning 63. 8% net margin versus -26. 3% for BioXcel Therapeutics, Inc. — meaning it keeps 63. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: INVA leads at 38. 5% versus -29. 7% for BTAI. At the gross margin level — before operating expenses — ACAD leads at 91. 7%, 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, McKesson Corporation (MCK) is the more undervalued stock at a PEG of 0. 43x versus Innoviva, Inc. 's 0. 71x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Perrigo Company plc (PRGO) trades at 5. 5x forward P/E versus 55. 6x for ACADIA Pharmaceuticals Inc. — 50. 1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PRGO: 208. 9% to $36. 20.

In this comparison, PRGO (9.

8% yield), MCK (0. 4% yield) pay a dividend. BTAI, INVA, ACAD do not pay a meaningful dividend and should not be held primarily for income.

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

02), +339. 0% 10Y return). BioXcel Therapeutics, Inc. (BTAI) 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 (MCK: +339. 0%, BTAI: -99. 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: BTAI is a small-cap high-growth stock; INVA is a small-cap high-growth stock; ACAD is a small-cap deep-value stock; PRGO is a small-cap income-oriented stock; MCK is a mid-cap high-growth stock. PRGO pays a dividend while BTAI, INVA, ACAD, MCK do not, making them suitable for different income and tax situations. 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.