PHAT vs ACAD vs SUPN vs PRGO vs IRWD

For growth investors, Phathom Pharmaceuticals, Inc.

(PHAT) is the stronger pick with 216. 9% revenue growth year-over-year, versus -15. 7% for Ironwood Pharmaceuticals, Inc. (IRWD). ACADIA Pharmaceuticals Inc. (ACAD) offers the better valuation at 9. 9x trailing P/E (50. 9x forward), making it the more compelling value choice. Analysts rate Phathom Pharmaceuticals, Inc. (PHAT) a "Buy" — based on 9 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, ACADIA Pharmaceuticals Inc.

(ACAD) is the cheapest at 9. 9x versus Ironwood Pharmaceuticals, Inc. at 27. 8x. On forward P/E, Ironwood Pharmaceuticals, Inc. is actually cheaper at 3. 1x — notably different from the trailing picture, reflecting expected earnings growth.

Over the past 5 years, Supernus Pharmaceuticals, Inc.

(SUPN) delivered a total return of +78. 0%, compared to -65. 0% for Phathom Pharmaceuticals, Inc. (PHAT). Over 10 years, the gap is even starker: SUPN returned +228. 4% versus PRGO's -77. 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), Supernus Pharmaceuticals, Inc.

(SUPN) is the lower-risk stock at 0. 78β versus Ironwood Pharmaceuticals, Inc. 's 2. 50β — meaning IRWD is approximately 219% more volatile than SUPN relative to the S&P 500. On balance sheet safety, Supernus Pharmaceuticals, Inc. (SUPN) 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), Phathom Pharmaceuticals, Inc.

(PHAT) is pulling ahead at 216. 9% versus -15. 7% for Ironwood Pharmaceuticals, Inc. (IRWD). On earnings-per-share growth, the picture is similar: ACADIA Pharmaceuticals Inc. grew EPS 68. 4% 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.

ACADIA Pharmaceuticals Inc.

(ACAD) is the more profitable company, earning 36. 5% net margin versus -126. 3% for Phathom Pharmaceuticals, Inc. — meaning it keeps 36. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: IRWD leads at 40. 1% versus -91. 4% for PHAT. At the gross margin level — before operating expenses — IRWD leads at 99. 4%, 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, Ironwood Pharmaceuticals, Inc.

(IRWD) trades at 3. 1x forward P/E versus 50. 9x for ACADIA Pharmaceuticals Inc. — 47. 8x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for PHAT: 101. 7% to $24. 67.

In this comparison, PRGO (9.

8% yield) pays a dividend. PHAT, ACAD, SUPN, IRWD do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Supernus Pharmaceuticals, Inc.

(SUPN) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 78), +228. 4% 10Y return). Ironwood Pharmaceuticals, Inc. (IRWD) carries a higher beta of 2. 50 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (SUPN: +228. 4%, IRWD: -59. 2%), 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: PHAT is a small-cap high-growth stock; ACAD is a small-cap deep-value stock; SUPN is a small-cap quality compounder stock; PRGO is a small-cap income-oriented stock; IRWD is a small-cap quality compounder stock. PRGO pays a dividend while PHAT, ACAD, SUPN, IRWD 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.