Amphastar Pharmaceuticals Inc vs Illumina, Inc. — how do they compare? Amphastar Pharmaceuticals Inc trades at $19.47 (market cap $826.08M), while Illumina, Inc. trades at $189.56 (market cap $28.78B). The key difference: Illumina, Inc. is far larger — about 34.8× Amphastar Pharmaceuticals Inc's market cap, and Illumina, Inc. is trading nearer its 52-week high, Amphastar Pharmaceuticals Inc nearer its low. Which is the better fit depends on your goals.
| AMPH | ILMN | |
|---|---|---|
Market Cap | $826.08M | $28.78B |
Sector | Health | Health |
52-Week High | $30.81 | $194.33 |
52-Week Low | $16.87 | $91.00 |
Enterprise Value | $1.22B | $30.17B |
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.
Illumina (ILMN) trades at $190.20, down 1.84% on the day but up significantly year-to-date with strong momentum. The stock shows bullish technical signals with moving averages supporting upward trends, while fundamentals reflect a turnaround with net income reaching $850 million in 2025 after previous losses. Recent news highlights product launches and leadership appointments, with the company scheduled to report Q2 2026 earnings on July 30, 2026.
The outlook remains positive with analyst consensus leaning bullish, though valuation multiples appear elevated. Key risks include competitive pressure from new entrants like Roche's Axelios sequencer and execution challenges in maintaining profitability growth. The upcoming earnings report will be critical for validating the current rally's sustainability.
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 →Illumina provides tools and services to analyze genetic material with life science and clinical lab applications. The company generates over 90% of its revenue from sequencing instruments, consumables, and services. Illumina's high-throughput technology enables whole genome sequencing in humans and other large organisms. Its lower throughput tools enable applications that require smaller data outputs, such as viral and cancer tumor screening. Illumina also sells microarrays (less than 10% of sales) that enable lower-cost, focused genetic screening with primarily consumer and agricultural applications.
Read more on ILMN →