Q3 2025 13F Holders as of 9/30/2025
-
Type / Class
-
Equity / Common Stock
-
Shares outstanding
-
147M
-
Number of holders
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36
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Total 13F shares, excl. options
-
382K
-
Shares change
-
+206K
-
Total reported value, excl. options
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$53.5M
-
Value change
-
+$29M
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Number of buys
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15
-
Number of sells
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-7
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Price
-
$140.08
Significant Holders of BIOGEN INC. - Common Stock (BIIB) as of Q3 2025
38 filings reported holding BIIB - BIOGEN INC. - Common Stock as of Q3 2025.
BIOGEN INC. - Common Stock (BIIB) has 36 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 382K shares
of 147M outstanding shares and own 0.26% of the company stock.
Largest 10 shareholders include WEDGE CAPITAL MANAGEMENT L L P/NC (193K shares), Voya Investment Management LLC (63.3K shares), Czech National Bank (37.2K shares), FARMERS TRUST CO (26K shares), Fluent Financial, LLC (25.5K shares), Assenagon Asset Management S.A. (6.91K shares), First County Bank /CT/ (4.48K shares), GAMMA Investing LLC (4.34K shares), PRAXIS INVESTMENT MANAGEMENT INC (3.45K shares), and RDA Financial Network (3.2K shares).
This table shows the top 36 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.