Amphastar Pharmaceuticals Inc vs Sunrun Inc — how do they compare? Amphastar Pharmaceuticals Inc trades at $19.38 (market cap $826.08M), while Sunrun Inc trades at $12.41 (market cap $2.97B). The key difference: Sunrun Inc is far larger — about 3.6× Amphastar Pharmaceuticals Inc's market cap. Which is the better fit depends on your goals.
| AMPH | RUN | |
|---|---|---|
Market Cap | $826.08M | $2.97B |
Sector | Health | Technology |
52-Week High | $30.81 | $21.41 |
52-Week Low | $16.87 | $9.07 |
Enterprise Value | $1.22B | $17.17B |
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.
Sunrun (RUN) trades at $12.47, up 0.08% on the day, with technical indicators showing a bearish trend despite recent earnings beats. The company reported strong profitability with a net income margin of 17.88% and ROE of 19.06%, while launching a distributed AI data center pilot to leverage its home energy assets. Analyst consensus is bullish with a $17.45 price target, but cash flow from operations remains negative, highlighting financial strain.
The outlook for RUN is mixed: growth potential from virtual power plant initiatives and AI partnerships offers upside, but negative operating cash flow and high debt pose significant risks. Investors should weigh the attractive valuation multiples against operational sustainability and market volatility.
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 →Sunrun Inc. is one of the largest residential solar, battery storage, and energy services companies in the United States. The company provides solar panel installations, battery backup systems, and energy management solutions to homeowners. Sunrun primarily uses a solar-as-a-service model, offering customers solar leases and power purchase agreements (PPAs), which allow homeowners to adopt solar energy with little to no upfront cost. The company's mission is to create a planet run by the sun.
Read more on RUN →