ILMN vs BIIB

Head-to-Head Stock Analysis & Investment Rating

Last Updated: Oct 21, 2026

ILMN

41.9
AI Score
VS
BIIB Wins

BIIB

42.7
AI Score

Investment Advisor Scores

ILMN

42score
Recommendation
HOLD

BIIB

43score
Recommendation
HOLD

AI Analyst Insights

AI insights temporarily unavailable

Detailed Metrics Comparison

Metric ILMN BIIB Winner
Revenue 2.48B 2.25B BIIB
Net Income 319.50M 340.00M ILMN
Net Margin 12.9% 15.1% ILMN
ROE 1.7% 12.0% ILMN
ROA 1.1% 5.1% ILMN
Total Assets 29.48B 6.65B BIIB
Current Ratio 3.06 1.80 BIIB
Free Cash Flow 594.30M 412.00M BIIB

Relative Price Performance (Last 90 Days)

ILMN 1M: -1.4% · 3M: +42.5% BIIB 1M: +11.1% · 3M: +25.6%

Current Technical Phase

ILMN

Markup
Hold / add on dips

Price above SMA50, rising 50-day trend (14.7% over 20 days), RSI 55

RSI (14): 54.9 · Price: $269.95

BIIB

Markup
Hold / add on dips

Price above SMA50, rising 50-day trend (4.9% over 20 days), RSI 72

RSI (14): 71.5 · Price: $251.40

Fundamentals Snapshot

Metric ILMN BIIB
Market Cap — —
Forward P/E 44.0 15.3
Trailing P/E 50.3 45.1
Revenue (TTM) — —
Revenue Growth 0.1% 0.0%
Gross Margin 0.7% 0.8%
Operating Margin 0.2% 0.3%
EPS 5.36 5.63
Dividend Yield — —

Frequently Asked Questions

Based on our detailed analysis, BIIB is currently the stronger investment candidate, winning 4 of the key financial metrics based on our comprehensive scoring model.

We analyze revenue and earnings growth rates in the "Growth" section above. Generally, the company with higher year-over-year revenue and EPS growth is fostering better expansion. Check the table above for the specific growth percentages.

Valuation is determined by metrics like the P/E Ratio and PEG Ratio. A lower P/E typically suggests a stock is cheaper relative to its earnings. Refer to the "Valuation" section in our comparison table to see which stock currently trades at a more attractive multiple.