Compare Biogen Inc (BIIB) vs Sunrun Inc (RUN) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Biogen Inc vs Sunrun Inc — how do they compare? Biogen Inc trades at $204.98 (market cap $30.60B), while Sunrun Inc trades at $10.09 (market cap $2.38B). The key difference: Biogen Inc is far larger — about 12.9× Sunrun Inc's market cap, and Biogen Inc is trading nearer its 52-week high, Sunrun Inc nearer its low. Which is the better fit depends on your goals.
| BIIB | RUN | |
|---|---|---|
Market Cap | $30.60B | $2.38B |
Sector | Health | Technology |
52-Week High | $216.63 | $21.41 |
52-Week Low | $128.93 | $9.38 |
Enterprise Value | $37.67B | $16.90B |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Biogen (BIIB) trades at $207.94, up 0.8% on the day, with a bullish technical signal from moving averages and a consensus analyst price target of $234.47. The company has beaten earnings estimates for three consecutive quarters, including Q2 2026 EPS of $3.60 versus $2.94 expected, and recently completed the acquisition of RayThera Inc. to bolster its immunology pipeline. Revenue for 2025 was $9.89 billion with a net income margin of 13.07%.
The outlook is positive, driven by strong execution and growth from newer drugs like Leqembi, though risks include pressure on legacy multiple sclerosis sales and a high P/E ratio of 36.93. The stock offers potential upside to the analyst target but faces earnings volatility and integration risks from recent acquisitions.
Sunrun (RUN) trades at $10.20, up 8.74% in 24 hours, with a bearish technical signal and mixed sentiment. The company reported Q2 2026 EPS of $0.42, beating estimates, but shares fell due to guidance cuts. Valuation ratios appear attractive with a P/E of 6.71 and P/S of 0.77, while net income margin stands at 11.59%.
Outlook is cautious; analyst consensus is bullish with a $14.38 price target, but risks include negative operating cash flow, high debt, and competitive pressures. Near-term performance hinges on execution amid sector volatility and macroeconomic headwinds.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
About Biogen Inc
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 →About Sunrun Inc
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 →
