BIOGEN INC. - COM (BIIB)

Q2 2025 13F Holders as of 30 Jun 2025

Type / Class
Equity / COM
Shares outstanding
147M
Number of holders
856
Total 13F shares, excl. options
129M
Shares change
+2.39M
Total reported value, excl. options
$16.2B
Value change
+$284M
Put/Call ratio
0.91
Number of buys
419
Number of sells
-358
Price
$125.59

Significant Holders of BIOGEN INC. - COM (BIIB) as of Q2 2025

1,006 filings reported holding BIIB - BIOGEN INC. - COM as of Q2 2025.
BIOGEN INC. - COM (BIIB) has 856 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 129M shares of 147M outstanding shares and own 88.18% of the company stock.
Largest 10 shareholders include VANGUARD GROUP INC (17.3M shares), PRIMECAP MANAGEMENT CO/CA/ (15.8M shares), BlackRock, Inc. (13.6M shares), STATE STREET CORP (7.47M shares), WELLINGTON MANAGEMENT GROUP LLP (4.8M shares), GEODE CAPITAL MANAGEMENT, LLC (3.92M shares), Point72 Asset Management, L.P. (3.83M shares), Invesco Ltd. (2.32M shares), NORGES BANK (2.26M shares), and MORGAN STANLEY (1.96M shares).
This table shows the top 856 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
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.