CLSD vs ADVM

For growth investors, Adverum Biotechnologies, Inc.

(ADVM) is the stronger pick with -72. 2% revenue growth year-over-year, versus -79. 8% for Clearside Biomedical, Inc. (CLSD). 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, Adverum Biotechnologies, Inc.

(ADVM) delivered a total return of -88. 5%, compared to -99. 0% for Clearside Biomedical, Inc. (CLSD). Over 10 years, the gap is even starker: ADVM returned -89. 2% versus CLSD's -99. 6%. 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), Adverum Biotechnologies, Inc.

(ADVM) is the lower-risk stock at 1. 09β versus Clearside Biomedical, Inc. 's 2. 66β — meaning CLSD is approximately 144% more volatile than ADVM relative to the S&P 500.

By revenue growth (latest reported year), Adverum Biotechnologies, Inc.

(ADVM) is pulling ahead at -72. 2% versus -79. 8% for Clearside Biomedical, Inc. (CLSD). On earnings-per-share growth, the picture is similar: Clearside Biomedical, Inc. grew EPS 11. 3% year-over-year, compared to -227. 7% for Adverum Biotechnologies, Inc.. Over a 3-year CAGR, ADVM leads at -48. 9% 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.

Clearside Biomedical, Inc.

(CLSD) is the more profitable company, earning -20. 6% net margin versus -130. 9% for Adverum Biotechnologies, Inc. — meaning it keeps -20. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: CLSD leads at -1735. 7% versus -139. 2% for ADVM. At the gross margin level — before operating expenses — ADVM 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, Adverum Biotechnologies, Inc.

(ADVM) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 09)). Clearside Biomedical, Inc. (CLSD) carries a higher beta of 2. 66 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ADVM: -89. 2%, CLSD: -99. 6%), 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.

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.