BIIB vs ILMN

Head-to-Head Stock Analysis & Investment Rating

Last Updated: Aug 20, 2026

BIIB

47.7
AI Score
VS
ILMN Wins

ILMN

51.0
AI Score

Investment Advisor Scores

BIIB

48score
Recommendation
HOLD

ILMN

51score
Recommendation
HOLD

AI Analyst Insights

AI insights temporarily unavailable

Detailed Metrics Comparison

Metric BIIB ILMN 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)

BIIB 1M: +8.1% · 3M: +14.4% ILMN 1M: +11.4% · 3M: +51.5%

Current Technical Phase

BIIB

Markup
Hold / add on dips

Price above SMA50, rising 50-day trend (2.9% over 20 days), RSI 59

RSI (14): 58.8 · Price: $216.78

ILMN

Markup
Hold / add on dips

Price above SMA50, rising 50-day trend (10.3% over 20 days), RSI 70

RSI (14): 69.6 · Price: $219.40

Fundamentals Snapshot

Metric BIIB ILMN
Market Cap
Forward P/E 13.1 36.0
Trailing P/E 39.4 39.9
Revenue (TTM)
Revenue Growth 0.0% 0.1%
Gross Margin 0.8% 0.7%
Operating Margin 0.3% 0.2%
EPS 5.44 5.35
Dividend Yield

Frequently Asked Questions

Based on our detailed analysis, ILMN 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.