APLS vs BCAB

For growth investors, Apellis Pharmaceuticals, Inc.

(APLS) is the stronger pick with 28. 5% revenue growth year-over-year, versus -81. 8% for BioAtla, Inc. (BCAB). Apellis Pharmaceuticals, Inc. (APLS) offers the better valuation at 227. 8x trailing P/E, making it the more compelling value choice. Analysts rate Apellis Pharmaceuticals, Inc. (APLS) a "Buy" — based on 25 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.

Over the past 5 years, Apellis Pharmaceuticals, Inc.

(APLS) delivered a total return of -12. 9%, compared to -99. 8% for BioAtla, Inc. (BCAB). Over 10 years, the gap is even starker: APLS returned +192. 3% versus BCAB's -99. 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), BioAtla, Inc.

(BCAB) is the lower-risk stock at 0. 51β versus Apellis Pharmaceuticals, Inc. 's 1. 06β — meaning APLS is approximately 109% more volatile than BCAB relative to the S&P 500.

By revenue growth (latest reported year), Apellis Pharmaceuticals, Inc.

(APLS) is pulling ahead at 28. 5% versus -81. 8% for BioAtla, Inc. (BCAB). On earnings-per-share growth, the picture is similar: Apellis Pharmaceuticals, Inc. grew EPS 111. 3% year-over-year, compared to 29. 9% for BioAtla, Inc.. 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.

Apellis Pharmaceuticals, Inc.

(APLS) is the more profitable company, earning 2. 2% net margin versus -29. 8% for BioAtla, Inc. — meaning it keeps 2. 2% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: APLS leads at 5. 5% versus -29. 7% for BCAB. At the gross margin level — before operating expenses — BCAB 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, BioAtla, Inc.

(BCAB) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 51)). Both have compounded well over 10 years (BCAB: -99. 7%, APLS: +192. 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: APLS is a small-cap high-growth stock; BCAB 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.