Biogen Inc. (BIIB)
NASDAQ: BIIB
· Real-Time Price · USD
159.88
4.63 (2.98%)
At close: Oct 03, 2025, 3:59 PM
159.00
-0.55%
After-hours: Oct 03, 2025, 07:58 PM EDT
Biogen dark pool activity today shows an average trade size of 8,724 with $1.39M average premium per trade.
| Rank | Time | Price | Size | Volume | Size / Vol | Size / Avg Vol | Avg. Paid |
|---|---|---|---|---|---|---|---|
| 1 | 10/3/2025 11:31 AM | 159.29 | 60,600 | 834,225 | 7.26% | 3.89% | 9.65M |
| 2 | 10/3/2025 02:09 PM | 158.72 | 39,972 | 1,739,979 | 2.30% | 2.56% | 6.34M |
| 3 | 10/3/2025 01:04 PM | 158.78 | 24,900 | 1,298,738 | 1.92% | 1.60% | 3.95M |
| Date | Long Volume | Short Volume | Long / Short | % Short Change |
|---|---|---|---|---|
| Oct 03, 2025 | 533.78K | 673.3K | 0.79 | 40.07% |
| Sep 26, 2025 | 335.37K | 480.69K | 0.70 | 71.89% |
| Sep 19, 2025 | 259.81K | 279.65K | 0.93 | -37.87% |
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