Amphastar Pharmaceuticals Inc vs Arm Holdings plc — how do they compare? Amphastar Pharmaceuticals Inc trades at $20.39 (market cap $863.95M), while Arm Holdings plc trades at $268.95 (market cap $286.06B). The key difference: Arm Holdings plc is far larger — about 331.1× Amphastar Pharmaceuticals Inc's market cap, and Arm Holdings plc is trading nearer its 52-week high, Amphastar Pharmaceuticals Inc nearer its low. Which is the better fit depends on your goals.
| AMPH | ARM | |
|---|---|---|
Market Cap | $863.95M | $286.06B |
Sector | Health | Technology |
52-Week High | $30.81 | $439.46 |
52-Week Low | $16.87 | $104.55 |
Enterprise Value | $1.26B | $282.64B |
Signals from Pluang's Aura AI — not financial advice
AMPH trades at $20.78, up 4.9% today, with a bullish technical signal supported by moving averages. The stock shows mixed earnings performance with Q2 2026 beating estimates but Q1 and Q4 2025 missing. Fundamentals remain solid with a 10.76% net margin and reasonable valuation at 12.02 P/E. Recent news highlights Q2 2026 results and strategic shift toward proprietary drugs.
Outlook is cautiously optimistic with growth supported by new product launches, though regulatory risks and earnings volatility pose challenges. Analyst sentiment is mixed with 25% buy ratings but majority hold recommendations. The stock offers value but requires monitoring of FDA developments and earnings consistency.
ARM stock trades at $282.57, down 1.43% over 24 hours, with a bullish technical outlook supported by moving averages and key support at $272. The company reported strong earnings beats in recent quarters, with Q2 2026 EPS of $0.45 beating the $0.40 estimate. Revenue grew to $4.01B in 2025, with a net income margin of 20.25%, though valuation multiples remain elevated with a P/E of 273.32.
The outlook is positive due to AI-driven growth in licensing and royalties, with management targeting $25B revenue by FY31. However, risks include stretched valuation, smartphone market headwinds, and execution challenges. Analyst consensus is bullish with a $329.80 price target, suggesting 17% upside from current levels.
Trailing returns across standard periods
Latest headlines on both assets
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 →Arm Holdings designs the architecture for high-performance, energy-efficient processors used in nearly all smartphones and millions of other devices. Its intellectual property powers global computing from mobile to AI.
Read more on ARM →