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Check out our Dark Pool Levels

BIIB
Biogen Inc. Common Stock
stock NASDAQ

At Close
Mar 13, 2026 3:59:59 PM EDT
181.51USD-1.833%(-3.39)1,092,302
0.00Bid   0.00Ask   0.00Spread
Pre-market
Mar 12, 2026 8:46:30 AM EDT
189.00USD+2.217%(+4.10)0
After-hours
Mar 13, 2026 4:07:30 PM EDT
181.53USD+0.011%(+0.02)23,979
OverviewOption ChainMax PainOptionsPrice & VolumeSplitsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsTrends
BIIB Reddit Mentions
Subreddits
Limit Labels     

We have sentiment values and mention counts going back to 2017. The complete data set is available via the API.
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BIIB Specific Mentions
As of Mar 16, 2026 6:42:25 AM EDT (9 minutes ago)
Includes all comments and posts. Mentions per user per ticker capped at one per hour.
10 days ago • u/MarketRodeo • r/DeepFuckingValue • afterhours_gainers_and_losers_for_today_march_6 • News 🗞 • B
Here are today's top after-hours performers showing the biggest moves after regular trading hours.
## 📈 After-Hours Gainers:
| Symbol | Company | After-Hours | Regular Hours | Change | %Change |
|:-------|:--------|:----------:|:-------------:|:------:|:-------:|
| [IEFA](https://marketrodeo.com/asset/IEFA) | iShares Core MSCI EAFE ETF | 96.50 | 91.84 | +4.66 | +5.07% |
| [BIIB](https://marketrodeo.com/asset/BIIB) | Biogen Inc. | 193.82 | 184.87 | +8.95 | +4.84% |
| [SUNB](https://marketrodeo.com/asset/SUNB) | Sunbelt Rentals Holdings Inc | 77.99 | 74.43 | +3.56 | +4.78% |
| [KLAC](https://marketrodeo.com/asset/KLAC) | KLA Corporation | 1407.17 | 1344.55 | +62.62 | +4.66% |
| [CSX](https://marketrodeo.com/asset/CSX) | CSX Corporation | 41.08 | 39.95 | +1.13 | +2.83% |
## 📉 After-Hours Losers:
| Symbol | Company | After-Hours | Regular Hours | Change | %Change |
|:-------|:--------|:----------:|:-------------:|:------:|:-------:|
| [WELL](https://marketrodeo.com/asset/WELL) | Welltower Inc. | 198.50 | 204.29 | -5.79 | -2.83% |
| [MTZ](https://marketrodeo.com/asset/MTZ) | MasTec, Inc. | 278.75 | 285.61 | -6.86 | -2.40% |
| [HLN](https://marketrodeo.com/asset/HLN) | Haleon plc | 10.08 | 10.28 | -0.20 | -1.95% |
| [SPDW](https://marketrodeo.com/asset/SPDW) | State Street SPDR Portfolio Developed World ex-US ETF | 45.50 | 46.40 | -0.90 | -1.94% |
| [CNA](https://marketrodeo.com/asset/CNA) | CNA Financial Corporation | 47.23 | 48.16 | -0.93 | -1.93% |
Source: [Market Extended Hours](https://marketrodeo.com/market-extended-hours)
sentiment -0.38
10 days ago • u/MarketRodeo • r/DeepFuckingValue • afterhours_gainers_and_losers_for_today_march_6 • News 🗞 • B
Here are today's top after-hours performers showing the biggest moves after regular trading hours.
## 📈 After-Hours Gainers:
| Symbol | Company | After-Hours | Regular Hours | Change | %Change |
|:-------|:--------|:----------:|:-------------:|:------:|:-------:|
| [IEFA](https://marketrodeo.com/asset/IEFA) | iShares Core MSCI EAFE ETF | 96.50 | 91.84 | +4.66 | +5.07% |
| [BIIB](https://marketrodeo.com/asset/BIIB) | Biogen Inc. | 193.82 | 184.87 | +8.95 | +4.84% |
| [SUNB](https://marketrodeo.com/asset/SUNB) | Sunbelt Rentals Holdings Inc | 77.99 | 74.43 | +3.56 | +4.78% |
| [KLAC](https://marketrodeo.com/asset/KLAC) | KLA Corporation | 1407.17 | 1344.55 | +62.62 | +4.66% |
| [CSX](https://marketrodeo.com/asset/CSX) | CSX Corporation | 41.08 | 39.95 | +1.13 | +2.83% |
## 📉 After-Hours Losers:
| Symbol | Company | After-Hours | Regular Hours | Change | %Change |
|:-------|:--------|:----------:|:-------------:|:------:|:-------:|
| [WELL](https://marketrodeo.com/asset/WELL) | Welltower Inc. | 198.50 | 204.29 | -5.79 | -2.83% |
| [MTZ](https://marketrodeo.com/asset/MTZ) | MasTec, Inc. | 278.75 | 285.61 | -6.86 | -2.40% |
| [HLN](https://marketrodeo.com/asset/HLN) | Haleon plc | 10.08 | 10.28 | -0.20 | -1.95% |
| [SPDW](https://marketrodeo.com/asset/SPDW) | State Street SPDR Portfolio Developed World ex-US ETF | 45.50 | 46.40 | -0.90 | -1.94% |
| [CNA](https://marketrodeo.com/asset/CNA) | CNA Financial Corporation | 47.23 | 48.16 | -0.93 | -1.93% |
Source: [Market Extended Hours](https://marketrodeo.com/market-extended-hours)
sentiment -0.38


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