Biogen Inc vs Chubb Ltd — how do they compare? Biogen Inc trades at $204.1 (market cap $30.60B), while Chubb Ltd trades at $347.09 (market cap $134.37B). The key difference: Chubb Ltd is far larger — about 4.4× Biogen Inc's market cap, and Chubb Ltd pays a 1.17% dividend while Biogen Inc pays none. Which is the better fit depends on your goals.
| BIIB | CB | |
|---|---|---|
Market Cap | $30.60B | $134.37B |
Sector | Health | Financials |
52-Week High | $216.63 | $363.50 |
52-Week Low | $128.93 | $268.20 |
Enterprise Value | $37.67B | $155.22B |
Dividend Yield | — | 1.17% |
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.
Chubb (CB) trades at $350.31, down 1.05% on the day, with a neutral technical signal and bullish moving averages. The stock shows strong fundamentals, with Q2 2026 EPS of $7.26 beating estimates, revenue growth to $59.78B in 2025, and a net income margin of 17.96%. Recent news highlights leadership appointments and positive earnings coverage.
The outlook is positive, supported by consistent earnings beats, a 52.38% analyst buy rating, and a consensus price target of $366.83. Risks include macroeconomic sensitivity and competitive pressures in insurance. The stock presents a value opportunity with a P/E of 12.41 and robust cash flow trends.
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 →ACE acquired Chubb in the first quarter of 2016 and assumed the Chubb name. The combination makes the new Chubb one of the largest domestic property and casualty insurers, with operations in 54 countries spanning commercial and personal P&C insurance, reinsurance, and life insurance.
Read more on CB →