Biogen Inc vs Fastly Inc — how do they compare? Biogen Inc trades at $206.5 (market cap $30.13B), while Fastly Inc trades at $28.91 (market cap $4.58B). The key difference: Biogen Inc is far larger — about 6.6× Fastly Inc's market cap. Which is the better fit depends on your goals.
| BIIB | FSLY | |
|---|---|---|
Market Cap | $30.13B | $4.58B |
Sector | Health | Technology |
52-Week High | $216.63 | $33.50 |
52-Week Low | $128.93 | $6.85 |
Enterprise Value | $37.20B | $4.65B |
Signals from Pluang's Aura AI — not financial advice
Biogen (BIIB) trades at $207.13, down 0.39% on the day, with a bullish technical signal and strong analyst support. Recent Q2 2026 earnings of $3.60 per share beat estimates, driven by growth in Alzheimer's and rare disease portfolios, though revenue growth remains modest. The company completed the acquisition of RayThera Inc. in August 2026, enhancing its immunology pipeline. Cash flow from operations remains healthy at $2.20 billion for 2025, supporting strategic investments.
The outlook is positive with a consensus price target of $234.47, implying ~13% upside, but risks include competitive pressures in multiple sclerosis drugs and execution challenges from recent acquisitions. Net income margin compression to 8.32% in 2026 warrants monitoring, though institutional buying and bullish analyst ratings (62.5% Buy) signal confidence in the turnaround story.
FSLY trades at $29.39, up 5.89% today, near its 52-week high. The stock shows bullish technical signals with strong moving average support. Recent earnings beats, including Q2 2026 EPS of $0.15 versus $0.07 expected, and raised 2026 revenue guidance to $687M reflect robust execution. Security and AI demand are driving growth, though the company remains unprofitable with a net margin of -11.8%.
Outlook is positive due to accelerating revenue growth and AI tailwinds, but risks include persistent losses, high valuation at P/S of 6.38, and competitive pressures. Analysts are mixed with a $28.25 consensus target, slightly below current price, suggesting cautious optimism amid execution risks.
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 →Fastly operates a content delivery network, which is necessary for entities to provide faster and more reliable online content. Fastly's strategy differs from traditional CDNs, which focused on locating servers in as many locations as possible to store copies of files that consumers most use. Fastly has far fewer sites than traditional CDNs, but it houses servers in the most network-dense data centers. Instead of simply storing static content, it allows its customers to program on its platform, enabling edge computing and better service of the more dynamic content that was traditionally not well served by CDNs. Fastly gears its service to the largest, most sophisticated enterprises rather than small companies and generated about two thirds of its revenue in the United States in 2020.
Read more on FSLY →