Skip to content
Disclosery

MAI Capital Management: BIIB position timeline

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

MAI Capital Management held 19,431 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 19,431 shares
    Change vs previous 13F +14,729 shares

    0.02% of the 13F portfolio, value $4,198,332.

    13F-HR 0001172661-26-003680 filed by MAI Capital Management
    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 4,702 shares
    Change vs previous 13F +1,255 shares

    <0.01% of the 13F portfolio, value $862,073.

    13F-HR 0001040197-26-000002 filed by MAI Capital Management
    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 3,447 shares
    Change vs previous 13F +2,757 shares

    <0.01% of the 13F portfolio, value $606,657.

    13F-HR 0001040197-26-000001 filed by MAI Capital Management
    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 690 shares
    Change vs previous 13F -86 shares

    <0.01% of the 13F portfolio, value $96,660.

    13F-HR 0001040197-25-000006 filed by MAI Capital Management
    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 776 shares
    Change vs previous 13F +194 shares

    <0.01% of the 13F portfolio, value $97,432.

    13F-HR 0001040197-25-000005 filed by MAI Capital Management
    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 582 shares
    Change vs previous 13F -44 shares

    <0.01% of the 13F portfolio, value $79,641.

    13F-HR 0001040197-25-000002 filed by MAI Capital Management
    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 626 shares
    Change vs previous 13F +626 shares

    <0.01% of the 13F portfolio, value $95,728.

    13F-HR 0001040197-25-000001 filed by MAI Capital Management
    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 0 shares
    Change vs previous 13F not available

    13F-HR 0001040197-24-000007 filed by MAI Capital Management
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.