BIOGEN INC. - COM (BIIB)

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / COM
Shares outstanding
146,614,676
Total 13F shares
130,372,684
Share change
+954,004
Total reported value
$18,265,685,564
Put/Call ratio
60%
Price per share
$140.08
Number of holders
886
Value change
+$176,296,832
Number of buys
428
Number of sells
341

Institutional Holders of BIOGEN INC. - COM (BIIB) as of Q3 2025

As of 30 Sep 2025, BIOGEN INC. - COM (BIIB) was held by 886 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 130,372,684 shares. The largest 10 holders included VANGUARD GROUP INC, PRIMECAP MANAGEMENT CO/CA/, BlackRock, Inc., STATE STREET CORP, WELLINGTON MANAGEMENT GROUP LLP, GEODE CAPITAL MANAGEMENT, LLC, Point72 Asset Management, L.P., Invesco Ltd., MORGAN STANLEY, and AQR CAPITAL MANAGEMENT LLC. This page lists 886 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.