Priya Singhal, the Head of Development of $BIIB, sold 517 shares of the company on 09-02-2025 for an estimated $69,045. We received data on the trade from a recent SEC filing. This was a sale of approximately 8.2% of their shares of this class of stock. Following this trade, they now own 5,772 shares of this class of $BIIB stock.
$BIIB Insider Trading Activity
$BIIB insiders have traded $BIIB stock on the open market 5 times in the past 6 months. Of those trades, 1 have been purchases and 4 have been sales.
Here’s a breakdown of recent trading of $BIIB stock by insiders over the last 6 months:
- STEPHEN A SHERWIN sold 8,760 shares for an estimated $1,314,141
- PRIYA SINGHAL (Head of Development) has made 0 purchases and 2 sales selling 4,323 shares for an estimated $549,552.
- RACHID IZZAR (Head of Global Product Strat.) sold 2,223 shares for an estimated $300,105
- CAROLINE DORSA purchased 1,235 shares for an estimated $151,559
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$BIIB Hedge Fund Activity
We have seen 422 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:
- POINT72 ASSET MANAGEMENT, L.P. added 3,424,470 shares (+840.9%) to their portfolio in Q2 2025, for an estimated $430,079,187
- BLACKROCK, INC. removed 1,655,570 shares (-10.9%) from their portfolio in Q2 2025, for an estimated $207,923,036
- T. ROWE PRICE INVESTMENT MANAGEMENT, INC. removed 1,265,814 shares (-47.6%) from their portfolio in Q2 2025, for an estimated $158,973,580
- AMUNDI removed 736,150 shares (-55.9%) from their portfolio in Q2 2025, for an estimated $92,453,078
- OVERSEA-CHINESE BANKING CORP LTD removed 734,587 shares (-94.1%) from their portfolio in Q2 2025, for an estimated $92,256,781
- SG AMERICAS SECURITIES, LLC removed 697,323 shares (-96.9%) from their portfolio in Q2 2025, for an estimated $87,576,795
- ORION PORFOLIO SOLUTIONS, LLC added 509,809 shares (+6828.4%) to their portfolio in Q2 2025, for an estimated $64,026,912
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$BIIB Congressional Stock Trading
Members of Congress have traded $BIIB stock 2 times in the past 6 months. Of those trades, 1 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $BIIB stock by members of Congress over the last 6 months:
- REPRESENTATIVE ROBERT BRESNAHAN has traded it 2 times. They made 1 purchase worth up to $15,000 on 05/15 and 1 sale worth up to $15,000 on 04/08.
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 7 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- RBC Capital issued a "Outperform" rating on 08/01/2025
- HC Wainwright & Co. issued a "Buy" rating on 08/01/2025
- Mizuho issued a "Outperform" rating on 05/07/2025
- Canaccord Genuity issued a "Buy" rating on 05/02/2025
- Baird issued a "Outperform" rating on 05/02/2025
- Truist Securities issued a "Buy" rating on 04/29/2025
- Goldman Sachs issued a "Buy" rating on 04/23/2025
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 13 analysts offer price targets for $BIIB in the last 6 months, with a median target of $175.0.
Here are some recent targets:
- David Amsellem from Piper Sandler set a target price of $118.0 on 08/14/2025
- Brian Abrahams from RBC Capital set a target price of $219.0 on 08/01/2025
- Geoff Meacham from Citigroup set a target price of $135.0 on 08/01/2025
- Matthew Harrison from Morgan Stanley set a target price of $144.0 on 08/01/2025
- Andrew Fein from HC Wainwright & Co. set a target price of $194.0 on 08/01/2025
- Laura Chico from Wedbush set a target price of $121.0 on 06/12/2025
- Salim Syed from Mizuho set a target price of $169.0 on 05/07/2025
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
