Biogen Inc. (BIIB)
NASDAQ: BIIB
· Real-Time Price · USD
140.67
0.73 (0.52%)
At close: Sep 05, 2025, 3:59 PM
140.35
-0.23%
After-hours: Sep 05, 2025, 07:09 PM EDT
Biogen dark pool activity today shows an average trade size of 3,081 with $439.55K average premium per trade.
| Rank | Time | Price | Size | Volume | Size / Vol | Size / Avg Vol | Avg. Paid |
|---|---|---|---|---|---|---|---|
| 1 | 9/5/2025 11:19 AM | 142.63 | 4,962 | 36,485 | 13.60% | 0.33% | 707.73K |
| 2 | 9/5/2025 10:51 AM | 141.94 | 4,000 | 372,511 | 1.07% | 0.27% | 567.76K |
| 3 | 9/5/2025 12:26 PM | 142.85 | 2,878 | 177,182 | 1.62% | 0.19% | 411.12K |
Historical Table
| Date | Long Volume | Short Volume | Long / Short | % Short Change |
|---|---|---|---|---|
| Sep 04, 2025 | 132.75K | 329.13K | 0.40 | 136.8% |
| Aug 29, 2025 | 172.41K | 138.99K | 1.24 | -34.26% |
| Aug 22, 2025 | 192.23K | 211.43K | 0.91 | -30.55% |
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