BIIB
Biogen Inc. · $202.95 (-2.4%) · mkt cap $30.0B · P/E 36.1
9 hub catalysts across 3 sources · backtest → · ← Ticker Explorer
U.S. House — Congressional TradesSEC EDGAR FilingsU.S. Senate — Congressional Trades
Signal summary
Signals divergeBullish and bearish forces are in conflict here — weigh both columns.
100▲ Bull-leanconviction from hub signals
Bullish factors
- Congress bought (5)
- 5 analyst upgrades
Bearish factors
- Congress sold (1)
- Insiders net selling (8 vs 2)
Signal mix for BIIB
Which data feeds have fired on this name — hover a slice for counts.
Best strategy
2-yr backtest · by SharpeZ-Score Mean-Reversion has fit BIIB best over 2 years (+44.5%, Sharpe 0.80). Historical/in-sample — walk-forward all 19 →
| # | Strategy | Return | Sharpe | Beats B&H |
|---|---|---|---|---|
| 1 | Z-Score Mean-Reversion | +44.5% | 0.80 | ✓ |
| 2 | Momentum (rate-of-change) | +45.6% | 0.76 | ✓ |
| 3 | Golden / Death Cross (50/200) | +38.2% | 0.74 | ✓ |
Price — 1 year
daily closeInsider activity
2 open-market buysOfficers & directors trading their own stock (SEC Form 4). Buys are bullish; sells shown for context.
| Date | Action | Insider | Shares | Value |
|---|---|---|---|---|
| 2026-02-12 | BUY | Murphy Nicole | 3 | $585 |
| 2026-02-09 | SELL | Singhal Priya | 2,660 | $532K |
| 2026-02-02 | SELL | Singhal Priya | 748 | $134K |
| 2025-09-02 | SELL | Singhal Priya | 517 | $69K |
| 2025-07-08 | SELL | Izzar Rachid | 2,223 | $300K |
| 2025-05-19 | SELL | Singhal Priya | 3,806 | $481K |
| 2025-05-02 | BUY | Dorsa Caroline D | 1,235 | $152K |
| 2025-03-07 | SELL | Sherwin Stephen A | 8,760 | $1.3M |
| 2024-12-09 | SELL | Singhal Priya | 110 | $17K |
| 2024-09-03 | SELL | Singhal Priya | 431 | $88K |
Analyst ratings
live · 6 changes| Date | Action | Analyst | Rating Change |
|---|---|---|---|
| 2026-07-13 | Upgrade | Truist Securities | Hold → Buy |
| 2026-06-08 | Upgrade | Needham | Hold → Buy |
| 2026-04-22 | Upgrade | UBS | Neutral → Buy |
| 2026-04-20 | Upgrade | Wells Fargo | Equal-Weight → Overweight |
| 2026-04-14 | Upgrade | Piper Sandler | Neutral → Overweight |
| 2026-02-20 | Initiated | Barclays | Equal-Weight |
Catalyst timeline
9 hub signals| Date | Source | Event | Entity | Value | |
|---|---|---|---|---|---|
| 2026-07-29 | SEC EDGAR Filings | 8-K Event | BIOGEN INC. | source ↗ | |
| 2026-07-01 | SEC EDGAR Filings | 8-K Event | BIOGEN INC. | source ↗ | |
| 2026-06-10 | SEC EDGAR Filings | 8-K Event | BIOGEN INC. | source ↗ | |
| 2026-06-05 | U.S. House — Congressional Trades | Congress BUY | Hon. Gilbert Cisneros | $1,001 - $15,000 | source ↗ |
| 2026-06-02 | U.S. House — Congressional Trades | Congress SELL | Hon. Maria Elvira Salazar | $15,001 - $50,000 | source ↗ |
| 2026-05-12 | U.S. House — Congressional Trades | Congress BUY | Hon. Maria Elvira Salazar | $1,001 - $15,000 | source ↗ |
| 2026-05-11 | U.S. House — Congressional Trades | Congress BUY | Hon. Maria Elvira Salazar | $1,001 - $15,000 | source ↗ |
| 2026-05-11 | U.S. House — Congressional Trades | Congress BUY | Hon. Maria Elvira Salazar | $50,001 - $100,000 | source ↗ |
| 2026-03-27 | U.S. Senate — Congressional Trades | Congress BUY | Armstrong, Alan (Senator) | $1,001 - $15,000 | source ↗ |
Alt-Data Signal Hub · collected signals updated 2026-07-30 09:16 UTC (refreshed daily) · market & option prices are always live on load · display-only, not advice