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BIIB
BIOGEN INC.
240.98
−2.12 −0.87%
USD · close Oct 21
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Work order
27
FLAG · shorts 27
Insiders, 90 days
0
no open-market filings in 90 days
Congress, 90 days
0 / 2
buys / sells · latest disclosed Oct 7
Big money
1 / 15
tracked funds hold it
Calls on record
0
nobody we score has called it yet
MKT CAP $35.6BP/E 25.9DIV YIELD —FCF YIELD 6.81%REV TTM $9.9B +1.2%NET INCOME $1.4B −7.3%NET DEBT $3.4B52W 146.22 – 243.10SEC XBRL · TTM TO Invalid Date
Short interest
| Report date | Shares short | Change | % of shares out | Avg daily volume | Days to cover |
|---|---|---|---|---|---|
| 2026-08-31 | 5.7M | +536K | 3.88% | 662K | 8.7 |
| 2026-08-14 | 5.2M | −263K | 3.52% | 847K | 6.1 |
| 2026-07-31 | 5.5M | −545K | 3.69% | 1.2M | 4.7 |
| 2026-07-15 | 6M | +276K | 4.06% | 1.7M | 3.5 |