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Disclosery

Artemis Investment Management LLP: BIIB position timeline

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

Artemis Investment Management LLP held 581,774 BIIB shares at 2026-09-30 per its 13F-HR filed 2026-10-08.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 581,774 shares
    Change vs previous 13F +10,800 shares

    1.15% of the 13F portfolio, value $131,411,111.

    13F-HR 0001535385-26-000027 filed by Artemis Investment Management LLP
    Accepted , ingested

  2. period ended2026-06-30
    13F 570,974 shares
    Change vs previous 13F -597 shares

    1.1% of the 13F portfolio, value $123,364,642.

    13F-HR 0001535385-26-000024 filed by Artemis Investment Management LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 571,571 shares
    Change vs previous 13F +344,726 shares

    1.11% of the 13F portfolio, value $104,786,111.

    13F-HR 0001535385-26-000002 filed by Artemis Investment Management LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 226,845 shares
    Change vs previous 13F not available

    0.48% of the 13F portfolio, value $39,922,452.

    13F-HR 0001535385-26-000001 filed by Artemis Investment Management LLP
    Filed (acceptance time not in the bulk data set), ingested

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