Biogen Inc. (BIIB)
Biogen Inc. (BIIB) is a Healthcare stock tracked by StreetAlpha. Analyst consensus is Strong Buy, based on the latest ratings from 10 firms (8 buy, 2 hold, 0 sell). Over the past 90 days StreetAlpha recorded 2 whale options trades in BIIB, 50% of them bullish and 50% bearish. In the past 30 days there were 8 dark pool prints.
Analyst Ratings & Price Targets
Analyst Ratings →| Date | Firm | Action | Rating | Price target |
|---|---|---|---|---|
| Oct 28 | Barclays | Target raised | Hold | — |
| Oct 22 | B of A Securities | Target raised | Hold | — |
| Oct 21 | TD Cowen | Target raised | Buy | — |
| Oct 20 | Wells Fargo | Target raised | Buy | — |
| Oct 12 | JP Morgan | Upgrade | Buy | — |
Whale Options Flow
90DDark Pool
30DAI Auto Pilots
Paper tradingStreetAlpha runs four autonomous AI traders powered by Anthropic's Claude. Each one reads options flow, dark pool prints, insider filings, sentiment, macro signals and technicals, then makes its own trading decisions in a paper portfolio. Every decision is logged and every trade is tracked, so you can see whether BIIB is in one of them and how their past BIIB trades turned out.
Macro & Market News
All StreetAlpha news →StreetAlpha hasn't covered BIIB in an article yet. Here's the latest on the wider market.
BIIB Congress Trades
All congress trades →| Person | Type | Amount | Traded | Filed | Delay |
|---|---|---|---|---|---|
| Ro KhannaD · CA | Sell | $1K – $15K | Sep 11, 2026 | Oct 9, 2026 | 28 d |
| Ro KhannaD · CA | Buy | $1K – $15K | Sep 4, 2026 | Oct 9, 2026 | 35 d |
| Maria Elvira SalazarR | Sell | $1K – $15K | Sep 24, 2026 | Oct 8, 2026 | 14 d |
| Kevin HernR · OK | Sell | $1K – $15K | Aug 18, 2026 | Sep 1, 2026 | 14 d |
| Alan ArmstrongHouse | Buy | $1K – $15K | Mar 27, 2026 | Jul 21, 2026 | 116 d |
Members of Congress and senior officials report trades up to 45 days later, as dollar ranges. Filings show a trade happened, not why. Not investment advice.





