BIIB vs ISRG

Head-to-Head Stock Analysis & Investment Rating

Last Updated: Sep 13, 2026

BIIB

47.4
AI Score
VS
ISRG Wins

ISRG

52.6
AI Score

Investment Advisor Scores

BIIB

47score
Recommendation
HOLD

ISRG

53score
Recommendation
STRONG BUY

AI Analyst Insights

Detailed Metrics Comparison

Metric BIIB ISRG Winner
Forward P/E 12.9199 29.2398 BIIB
PEG Ratio 1.4522 1.6442 BIIB
Revenue Growth 3.4% 18.5% ISRG
Earnings Growth -84.8% 26.5% ISRG
Tradestie Score 47.4/100 52.6/100 ISRG
Profit Margin 8.3% 28.4% ISRG
Beta 1.00 1.00 Tie
AI Recommendation HOLD STRONG BUY ISRG

Relative Price Performance (Last 90 Days)

BIIB 1M: +4.0% · 3M: +8.6% ISRG 1M: -8.0% · 3M: -10.6%

Current Technical Phase

BIIB

Markup
Hold / add on dips

Price above SMA50, rising 50-day trend (3.2% over 20 days), RSI 53

RSI (14): 53.2 · Price: $217.15

ISRG

Distribution
Trim / tighten stop

Price near a flattening SMA50 (slope -3.7%) with fading momentum, RSI 48

RSI (14): 48.1 · Price: $369.15

Fundamentals Snapshot

Metric BIIB ISRG
Market Cap
Forward P/E 13.1 30.6
Trailing P/E 37.5 40.5
Revenue (TTM)
Revenue Growth 0.0% 0.2%
Gross Margin 0.8% 0.7%
Operating Margin 0.3% 0.3%
EPS 5.75 8.90
Dividend Yield

Frequently Asked Questions

Based on our detailed analysis, ISRG is currently the stronger investment candidate 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.