Amphastar Pharmaceuticals Inc vs Aspen Aerogels Inc — how do they compare? Amphastar Pharmaceuticals Inc trades at $19.46 (market cap $826.08M), while Aspen Aerogels Inc trades at $5.14 (market cap $427.65M). The key difference: Amphastar Pharmaceuticals Inc is the larger of the two by market cap, and Aspen Aerogels Inc is trading nearer its 52-week high, Amphastar Pharmaceuticals Inc nearer its low. Which is the better fit depends on your goals.
| AMPH | ASPN | |
|---|---|---|
Market Cap | $826.08M | $427.65M |
Sector | Health | Technology |
52-Week High | $30.81 | $8.82 |
52-Week Low | $16.87 | $2.57 |
Enterprise Value | $1.22B | $382.60M |
Signals from Pluang's Aura AI — not financial advice
AMPH trades at $18.72, down 1.58% with bearish technical signals despite oversold RSI readings. The company reported mixed Q1 2026 results with EPS of $0.42 missing estimates of $0.70, continuing a trend of recent earnings disappointments. Valuation metrics appear reasonable with P/E of 11.29 and P/B of 1.07, while profitability remains solid with 47.34% gross margins. Recent news includes a Zacks Strong Sell rating and ongoing securities law investigation.
The stock faces near-term headwinds from earnings misses and negative analyst sentiment, though current valuations provide some downside protection. Upside potential exists if the company can execute its strategic pivot to proprietary drugs and biosimilars while managing BAQSIMI discount pressures. Key risks include ongoing legal scrutiny and competitive pressures in the generic drug market.
ASPN trades at $5.16, down 1.53% on the day, with a bearish technical signal despite oversold RSI readings. The company reported a Q1 2026 loss of $0.28 per share, missing estimates, but revenue beat expectations. Recent news includes a 2025 Supplier of the Year award from General Motors and the staged restart of its East Providence facility. Financials show significant net losses but improving cash flow trends into 2026.
Outlook remains challenging with persistent losses and negative margins, though analyst consensus is strongly bullish (83% buy ratings). Key risks include execution on facility restarts and EV demand volatility. The stock offers high-risk growth potential if operational improvements and electrification trends accelerate profitability.
Trailing returns across standard periods
Amphastar is a specialty pharmaceutical company that develops and markets injectable, intranasal, and inhalation products. Its portfolio includes both complex generic drugs and proprietary delivery systems.
Read more on AMPH →Aspen Aerogels is an aerogel technology company that designs high-performance insulation. Its products are used in energy infrastructure and electric vehicles to provide thermal management and fire protection.
Read more on ASPN →