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Fisher Asset Management, LLC: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Fisher Asset Management, LLC on BIIB, newest first. How the timeline and the estimate are built.

Fisher Asset Management, LLC held 338,018 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-04.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 338,018 shares
    Change vs previous 13F +25,400 shares

    0.02% of the 13F portfolio, value $73,032,374.

    13F-HR 0000850529-26-000006 filed by Fisher Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 312,618 shares
    Change vs previous 13F +19,349 shares

    0.02% of the 13F portfolio, value $57,312,373.

    13F-HR 0000850529-26-000004 filed by Fisher Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 293,269 shares
    Change vs previous 13F +15,984 shares

    0.02% of the 13F portfolio, value $51,612,563.

    13F-HR 0000850529-26-000002 filed by Fisher Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 277,285 shares
    Change vs previous 13F -11,852 shares

    0.01% of the 13F portfolio, value $38,842,129.

    13F-HR 0000850529-25-000011 filed by Fisher Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 289,137 shares
    Change vs previous 13F -9,893 shares

    0.01% of the 13F portfolio, value $36,312,740.

    13F-HR 0000850529-25-000005 filed by Fisher Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 299,030 shares
    Change vs previous 13F +118,106 shares

    0.02% of the 13F portfolio, value $40,919,327.

    13F-HR 0000850529-25-000003 filed by Fisher Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 180,924 shares
    Change vs previous 13F +114,156 shares

    0.01% of the 13F portfolio, value $27,667,004.

    13F-HR 0000850529-25-000002 filed by Fisher Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 66,768 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $12,942,342.

    13F-HR 0000850529-24-000012 filed by Fisher Asset Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).