Biogen Inc vs Enphase Energy Inc — how do they compare? Biogen Inc trades at $208.53 (market cap $30.13B), while Enphase Energy Inc trades at $40.96 (market cap $5.59B). The key difference: Biogen Inc is far larger — about 5.4× Enphase Energy Inc's market cap, and Biogen Inc is trading nearer its 52-week high, Enphase Energy Inc nearer its low. Which is the better fit depends on your goals.
| BIIB | ENPH | |
|---|---|---|
Market Cap | $30.13B | $5.59B |
Sector | Health | Technology |
52-Week High | $216.63 | $72.33 |
52-Week Low | $128.93 | $26.12 |
Enterprise Value | $37.20B | $5.23B |
Signals from Pluang's Aura AI — not financial advice
Biogen (BIIB) trades at $206.48, down 0.31% on the day, with a bullish technical signal supported by moving averages. The company reported Q2 2026 EPS of $3.60, beating estimates of $2.94, and raised full-year guidance, driven by growth in Alzheimer's and rare disease portfolios. Recent acquisitions like RayThera and Apellis bolster its pipeline. Revenue for 2025 was $9.89 billion with a net income margin of 13.07%, though margins have fluctuated year-over-year.
Outlook remains positive with strong analyst support (62.5% buy rating) and a consensus price target of $234.47, implying ~14% upside. Key risks include reliance on new drug launches to offset declining multiple sclerosis sales and integration challenges from acquisitions. Cash flow trends show variability, with 2026 projecting negative net cash flow due to significant investing activities.
Enphase Energy (ENPH) trades at $41.06, up 0.34% with a bullish technical outlook supported by moving averages. The company reported mixed Q2 2026 earnings matching estimates but missing revenue expectations, with revenue declining 19.6% year-over-year. Recent developments include expanded battery system support and US manufacturing commitments. Valuation metrics show a P/E of 41.88 and P/S of 4.25, while profitability remains solid with 10.09% net income margin.
The stock presents recovery potential with analyst consensus target of $45.37 (10.5% upside), though faces headwinds from cyclical residential solar demand and competitive pressures. Key risks include execution challenges in European expansion and AI data center strategy, while institutional interest remains mixed with recent insider selling activity.
Trailing returns across standard periods
Biogen and Idec merged in 2003, combining forces to market Biogen's multiple sclerosis drug Avonex and Idec's cancer drug Rituxan. Today, Rituxan and next-generation antibody Gazyva are marketed via a collaboration with Roche. Biogen also markets novel MS drugs Plegridy, Tysabri, Tecfidera, and Vumerity. In Japan, Biogen's MS portfolio is co-promoted by Eisai. Hemophilia therapies Eloctate and Alprolix (partnered with SOBI) were spun off as part of Bioverativ in 2017. Biogen has several drug candidates in phase 3 trials in neurology and neurodegenerative diseases and has launched Spinraza with partner Ionis. Aduhelm was approved as the firm's first Alzheimer's disease therapy in June 2021.
Read more on BIIB →Enphase Energy is a global energy technology company. The company delivers smart, easy-to-use solutions that manage solar generation, storage, and communication on one platform. The company's microinverter technology primarily serves the rooftop solar market and produces a fully integrated solar-plus-storage solution. Geographically, it derives a majority of revenue from the United States.
Read more on ENPH →