Biogen Inc vs Cassava Sciences Inc — how do they compare? Biogen Inc trades at $204.1 (market cap $30.13B), while Cassava Sciences Inc trades at $0.97 (market cap $47.75M). The key difference: Biogen Inc is far larger — about 631× Cassava Sciences Inc's market cap, and Biogen Inc is trading nearer its 52-week high, Cassava Sciences Inc nearer its low. Which is the better fit depends on your goals.
| BIIB | FLNA | |
|---|---|---|
Market Cap | $30.13B | $47.75M |
Sector | Health | Health |
52-Week High | $216.63 | $4.64 |
52-Week Low | $128.93 | $0.87 |
Enterprise Value | $37.20B | -$34.93M |
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.
FLNA is trading at $0.9401, down 5.74% on the day, with a bearish technical signal from moving averages. The company shows consistent quarterly earnings beats but remains unprofitable with negative ROE of -55.79% and negative cash flow. Analyst sentiment is positive with 67% buy ratings, though the stock faces fundamental challenges with ongoing operational losses.
The outlook remains challenged by persistent losses and negative cash flow, though recent earnings beats and strong analyst support provide potential upside. Key risks include the company's ability to achieve profitability and sustain operations given current burn rate. The biotechnology focus on TSC-related epilepsy represents both opportunity and execution risk.
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 →Cassava Sciences Inc is a clinical-stage biotechnology company engaged in developing a scientific approach for the treatment and detection of Alzheimer's disease. Its therapeutic product candidate is called simufilam, and it is a novel treatment for Alzheimer's disease
Read more on FLNA →