Biogen Inc. Common Stock (BIIB) Sentiment

30-day SentiSense Score 10.16 · Bullish · ▼ cooling · as of 2026-09-23

BIIB sentiment is slightly bullish (30-day SentiSense Score 10) and cooling from a month ago; today's read is hotter at 19, above its 30-day average. Attention averages ~6 mentions/day (6 today).

Sentiment (30-day)
Slightly Bullish
SentiSense Score (30-day avg)
10.16
Today's read
18.64 (Bullish)
Mentions / day (30-day avg)
6 (6 today)

Where the conversation is happening

News
Bullish · 56% of mentions
X
Neutral · 22% of mentions
Reddit
Bullish · 12% of mentions
YouTube
Bullish · 10% of mentions

Related tickers

AMGN, GILD, MRNA, ALNY, INCY, TGTX

What's driving it

  • Biogen Shares Plummet 8.17% on Sharp Drop in Alzheimer's Drug Hope (-0.37)
  • Moderna Adds Former Biogen CFO Michael McDonnell to Board (0)
  • Biogen's Alzheimer's Drug Misses Trial Goals, Stock Slides, but Analysts Stay Bullish (+0.05)

Live SentiSense Score, sentiment history, and per-source breakdown for Biogen Inc. Common Stock on SentiSense.

See how BIIB's sector compares in the market sentiment heatmap