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Compare Biogen Inc (BIIB) vs Zillow Group Inc Class A (ZG) Price & Performance

Biogen IncTrade
Zillow Group Inc Class ATrade

Price performance (Past 24H)

Key statistics

Biogen Inc vs Zillow Group Inc Class A — how do they compare? Biogen Inc trades at $211.14 (market cap $30.86B), while Zillow Group Inc Class A trades at $34.4 (market cap $7.68B). The key difference: Biogen Inc is far larger — about 4× Zillow Group Inc Class A's market cap, and Biogen Inc is trading nearer its 52-week high, Zillow Group Inc Class A nearer its low. Which is the better fit depends on your goals.

BIIBZG
Market Cap
$30.86B$7.68B
Sector
HealthMedia
52-Week High
$216.63$86.76
52-Week Low
$132.22$29.14
Enterprise Value
$37.93B$7.56B

Aura AI Summary

Signals from Pluang's Aura AI — not financial advice

Biogen Inc

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.

Zillow Group Inc Class A

Zillow Group (ZG) trades at $33.46, down 1.81% with a bearish technical signal. The company shows improving fundamentals with Q2 2026 earnings beats and 18% revenue growth, though net margins remain thin at 1.96%. Recent news highlights strong performance in the preferred agent model but is overshadowed by multiple securities class action lawsuits with August 2026 deadlines. Valuation metrics appear elevated with a P/E of 149, while analyst consensus targets $47.56 with mixed ratings.

The outlook is cautiously optimistic given ZG's business model transition and revenue growth, but significant legal overhangs and high valuation create near-term risks. Long-term potential exists if monetization improvements continue, though investors should weigh legal uncertainties against fundamental progress.

Returns comparison

Trailing returns across standard periods

Top news

Latest headlines on both assets

About Biogen Inc

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

About Zillow Group Inc Class A

Zillow Group is an Internet-based real estate company that has historically focused on deriving ad revenue from third-party brokers on online marketplaces such as Zillow.com, Trulia, and HotPads. More recently it has shifted its focus to iBuying via the Zillow Offers platform.

Read more on ZG