ALT vs TERN

Analysts rate Altimmune, Inc.

(ALT) a "Buy" — based on 15 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, Terns Pharmaceuticals, Inc.

(TERN) delivered a total return of +229. 8%, compared to -74. 8% for Altimmune, Inc. (ALT). Over 10 years, the gap is even starker: ALT returned +1213% versus TERN's +188. 0%. 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), Terns Pharmaceuticals, Inc.

(TERN) is the lower-risk stock at 0. 39β versus Altimmune, Inc. 's 1. 54β — meaning ALT is approximately 290% more volatile than TERN relative to the S&P 500. On balance sheet safety, Terns Pharmaceuticals, Inc. (TERN) carries a lower debt/equity ratio of 0% versus 15% for Altimmune, Inc. — giving it more financial flexibility in a downturn.

On earnings-per-share growth, the picture is similar: Altimmune, Inc.

grew EPS 25. 4% year-over-year, compared to 11. 8% for Terns Pharmaceuticals, 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.

Terns Pharmaceuticals, Inc.

(TERN) is the more profitable company, earning 0. 0% net margin versus -2148. 6% for Altimmune, Inc. — meaning it keeps 0. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: TERN leads at 0. 0% versus -2304. 6% for ALT. At the gross margin level — before operating expenses — TERN leads at 0. 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, Terns Pharmaceuticals, Inc.

(TERN) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 39), +188. 0% 10Y return). Altimmune, Inc. (ALT) carries a higher beta of 1. 54 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (TERN: +188. 0%, ALT: +1213%), 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: ALT is a small-cap high-growth stock; TERN 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.