Biogen Inc vs Duolingo Inc — how do they compare? Biogen Inc trades at $204.1 (market cap $30.13B), while Duolingo Inc trades at $134.23 (market cap $6.34B). The key difference: Biogen Inc is far larger — about 4.8× Duolingo Inc's market cap, and Biogen Inc is trading nearer its 52-week high, Duolingo Inc nearer its low. Which is the better fit depends on your goals.
| BIIB | DUOL | |
|---|---|---|
Market Cap | $30.13B | $6.34B |
Sector | Health | Technology |
52-Week High | $216.63 | $369.19 |
52-Week Low | $128.93 | $90.03 |
Enterprise Value | $37.20B | $5.11B |
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.
Duolingo (DUOL) trades at $134.63, down 1.87% amid mixed signals. The stock shows strong fundamentals with impressive revenue growth from $369M in 2022 to $1.04B in 2025 and net income turning positive to $414M. Technical indicators show a bullish moving average trend but neutral oscillators, with key support at $134 and resistance at $138. Recent Q2 2026 earnings beat expectations with $0.66 EPS versus $0.604 expected, though Q3 revenue guidance disappointed investors.
The outlook remains cautiously optimistic with robust user growth and profitability metrics, but near-term pressure exists from decelerating booking growth and margin concerns. Analyst consensus is mixed with 30% buy ratings and a $121 price target below current levels. Key risks include monetization challenges despite user growth and increased competitive pressures in the education technology sector.
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 →Duolingo Inc is a mobile learning platform to learn languages and the top-grossing app in the Education category on both Google Play and the Apple App Store. It has three predominant sources of revenue
Read more on DUOL →