$BIIB stock has now risen 3% today, according to our price data from Polygon. There has been approximately $29,536,274 of trading volume.
It has been the 38th most-searched ticker on Quiver Quantitative over the last day, out of 11,337 total tickers searched.
Here is what we see in our data on $BIIB (you can track the company live on Quiver's $BIIB stock page):
$BIIB Insider Trading Activity
$BIIB insiders have traded $BIIB stock on the open market 3 times in the past 6 months. Of those trades, 1 have been purchases and 2 have been sales.
Here’s a breakdown of recent trading of $BIIB stock by insiders over the last 6 months:
- PRIYA SINGHAL (Head of Development) has made 0 purchases and 2 sales selling 3,408 shares for an estimated $665,664.
- NICOLE MURPHY (Head of Pharm Ops and Tech) purchased 3 shares for an estimated $585
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$BIIB Hedge Fund Activity
We have seen 456 institutional investors add shares of $BIIB stock to their portfolio, and 453 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- FMR LLC added 8,138,103 shares (+632.0%) to their portfolio in Q4 2025, for an estimated $1,432,224,746
- UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC removed 4,365,462 shares (-75.8%) from their portfolio in Q4 2025, for an estimated $768,277,657
- BOSTON PARTNERS added 1,720,595 shares (+inf%) to their portfolio in Q4 2025, for an estimated $302,807,514
- PACER ADVISORS, INC. removed 1,451,249 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $255,405,311
- POINT72 ASSET MANAGEMENT, L.P. removed 1,059,709 shares (-27.4%) from their portfolio in Q4 2025, for an estimated $186,498,186
- FRED ALGER MANAGEMENT, LLC added 796,735 shares (+39074.8%) to their portfolio in Q4 2025, for an estimated $140,217,392
- INVESCO LTD. removed 762,686 shares (-31.5%) from their portfolio in Q4 2025, for an estimated $134,225,109
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$BIIB Revenue
$BIIB had revenues of $2.3B in Q4 2025. This is a decrease of -7.14% from the same period in the prior year.
You can track BIIB financials on Quiver Quantitative's BIIB stock page.
$BIIB Congressional Stock Trading
Members of Congress have traded $BIIB stock 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.
Here’s a breakdown of recent trading of $BIIB stock by members of Congress over the last 6 months:
- REPRESENTATIVE GILBERT RAY CISNEROS, JR. purchased up to $15,000 on 01/30.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard.
$BIIB Analyst Ratings
Wall Street analysts have issued reports on $BIIB in the last several months. We have seen 3 firms issue buy ratings on the stock, and 1 firms issue sell ratings.
Here are some recent analyst ratings:
- Oppenheimer issued a "Outperform" rating on 01/30/2026
- HSBC issued a "Reduce" rating on 12/10/2025
- Stifel issued a "Buy" rating on 11/06/2025
- RBC Capital issued a "Outperform" rating on 10/31/2025
To track analyst ratings and price targets for $BIIB, check out Quiver Quantitative's $BIIB forecast page.
$BIIB Price Targets
Multiple analysts have issued price targets for $BIIB recently. We have seen 19 analysts offer price targets for $BIIB in the last 6 months, with a median target of $200.0.
Here are some recent targets:
- Rajesh Kumar from HSBC set a target price of $150.0 on 03/17/2026
- Emily Field from Barclays set a target price of $185.0 on 02/20/2026
- Laura Chico from Wedbush set a target price of $187.0 on 02/10/2026
- Srikripa Devarakonda from Truist Securities set a target price of $193.0 on 02/09/2026
- Mohit Bansal from Wells Fargo set a target price of $200.0 on 02/09/2026
- Chris Schott from JP Morgan set a target price of $230.0 on 02/09/2026
- Phil Nadeau from TD Cowen set a target price of $215.0 on 02/09/2026
You can track data on $BIIB on Quiver Quantitative.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.
