Biogen Inc vs Taiwan Semiconductor Mfg. Co. Ltd. — how do they compare? Biogen Inc trades at $211.32 (market cap $30.86B), while Taiwan Semiconductor Mfg. Co. Ltd. trades at $427.85 (market cap $1.94T). The key difference: Taiwan Semiconductor Mfg. Co. Ltd. is far larger — about 62.9× Biogen Inc's market cap, and Taiwan Semiconductor Mfg. Co. Ltd. pays a 0.88% dividend while Biogen Inc pays none. Which is the better fit depends on your goals.
| BIIB | TSM | |
|---|---|---|
Market Cap | $30.86B | $1.94T |
Sector | Health | Technology |
52-Week High | $216.63 | $477.57 |
52-Week Low | $132.22 | $227.33 |
Enterprise Value | $37.93B | $1.87T |
Dividend Yield | — | 0.88% |
Signals from Pluang's Aura AI — not financial advice
Biogen (BIIB) trades at $208.85, up 0.83% with bullish technical signals and strong institutional support. The company has delivered three consecutive earnings beats, with Q2 2026 EPS of $3.60 exceeding estimates by 22%. Recent acquisition of RayThera and raised 2026 guidance demonstrate strategic growth initiatives. Valuation metrics show a P/E of 36.21 and P/S of 3.01, while maintaining solid profitability with 73.99% gross margins.
Biogen presents a compelling investment case with strong earnings momentum and strategic acquisitions driving growth. However, investors face risks from declining legacy MS drug sales and net income margin compression from 16.86% in 2024 to 8.32% projected for 2026. The stock offers 12% upside to consensus price target of $234.47, supported by 62.5% analyst buy ratings.
Taiwan Semiconductor Manufacturing (TSM) trades at $432.11, up 3.26% today, with a bullish technical signal and strong earnings momentum after beating estimates for three consecutive quarters. Revenue growth is robust, with July 2026 sales up 44.7% year-over-year (Bloomberg, 2026-08-10), driven by AI demand. The stock is supported by high profitability margins and a consensus analyst price target of $545.67, indicating significant upside potential.
The outlook remains positive given accelerating AI-driven revenue and expansion investments, but risks include geopolitical tensions in Taiwan and competitive pressures. Valuation multiples are elevated, with a P/E of 31.86, requiring sustained growth to justify current levels. Institutional sentiment is strongly bullish, with 72% of analysts rating the stock a buy.
Trailing returns across standard periods
Latest headlines on both assets
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 →Taiwan Semiconductor Manufacturing Company, or TSMC, is the world's largest dedicated chip foundry, with over 57% market share in 2021 per Gartner. TSMC was founded in 1987 as a joint venture of Philips, the government of Taiwan, and private investors. It went public as an ADR in the U.S. in 1997. TSMC's scale and high-quality technology allow the firm to generate solid operating margins, even in the highly competitive foundry business. Furthermore, the shift to the fabless business model has created tailwinds for TSMC. The foundry leader has an illustrious customer base, including Apple, AMD and Nvidia, that looks to apply cutting-edge process technologies to its semiconductor designs.
Read more on TSM →