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$BIIB:NASDAQ · BIOGEN INC

Biogen is a biopharmaceutical company focused on neuroscience, developing treatments for conditions such as multiple sclerosis, spinal muscular atrophy, and Alzheimer's disease.

2 tracked filer(s) hold this · 1 opened, 0 added, 0 trimmed in 30-SEP-2025

Aggregate 13FScore 44 — mean of 2 scored holder(s) · buyers (new/add) avg 49. Higher = the smart money in this name has the better track record.

Filer13FScoreThis quarterSharesValue% of their book
Bridgewater49New buy39,983$5,600,8190.0%
Ancora38Holds (flat)2$2800.0%

Beyond 13F — activists, insiders, politicians & research

Congressional trades all politician trades →

1 disclosed trade(s) by 1 filer(s).

Trade dateWhoTypeAmount
2026-03-27Alan Armstrong senateBUY$1,001 - $15,000PTR

Trump & executive branch trades all Trump/exec trades →

3 disclosed trade(s) by 1 filer(s).

Trade dateWhoTypeAmount
2026-07-01Trump, Donald J PresidentBUY$1,001 - $15,000PTR
2026-07-01Trump, Donald J PresidentBUY$1,001 - $15,000PTR
2026-07-01Trump, Donald J PresidentSELL$1,001 - $15,000PTR

Every tracked holder of this name, sorted new → added → flat → trimmed. Shares = reported 13F share count; Value as reported (a few managers file values in $thousands). Generated 2026-07-02.