ADXN vs INVA

For growth investors, Innoviva, Inc.

(INVA) is the stronger pick with 18. 5% revenue growth year-over-year, versus -74. 9% for Addex Therapeutics Ltd (ADXN). Addex Therapeutics Ltd (ADXN) offers the better valuation at 0. 7x trailing P/E, 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, Addex Therapeutics Ltd (ADXN) is the cheapest at 0.

7x versus Innoviva, Inc. at 6. 9x.

Over the past 5 years, Innoviva, Inc.

(INVA) delivered a total return of +94. 4%, compared to -96. 5% for Addex Therapeutics Ltd (ADXN). Over 10 years, the gap is even starker: INVA returned +94. 9% versus ADXN's -96. 9%. 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), Innoviva, Inc.

(INVA) is the lower-risk stock at 0. 13β versus Addex Therapeutics Ltd's 0. 59β — meaning ADXN is approximately 368% more volatile than INVA relative to the S&P 500. On balance sheet safety, Addex Therapeutics Ltd (ADXN) carries a lower debt/equity ratio of 0% versus 23% for Innoviva, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Innoviva, Inc.

(INVA) is pulling ahead at 18. 5% versus -74. 9% for Addex Therapeutics Ltd (ADXN). On earnings-per-share growth, the picture is similar: Innoviva, Inc. grew EPS 816. 7% year-over-year, compared to 150. 0% for Addex Therapeutics Ltd. Over a 3-year CAGR, INVA leads at 8. 7% 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.

Addex Therapeutics Ltd (ADXN) is the more profitable company, earning 1746% net margin versus 63.

8% for Innoviva, Inc. — meaning it keeps 1746% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: INVA leads at 38. 5% versus -681. 8% for ADXN. At the gross margin level — before operating expenses — ADXN leads at 100. 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.

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, Innoviva, Inc.

(INVA) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 13)). Both have compounded well over 10 years (INVA: +94. 9%, ADXN: -96. 9%), 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: ADXN is a small-cap deep-value stock; INVA is a small-cap high-growth 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.