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NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC on BIIB, newest first. How the timeline and the estimate are built.

NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC held 12,033 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 12,033 shares
    Change vs previous 13F +291 shares

    <0.01% of the 13F portfolio, value $2,599,850.

    13F-HR 0001141802-26-000015 filed by NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

    • NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO: 7,299 shares
    • NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC: 4,734 shares

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

  2. period ended2026-03-31
    13F 11,742 shares
    Change vs previous 13F +471 shares

    <0.01% of the 13F portfolio, value $2,152,661.

    13F-HR 0001085146-26-000398 filed by NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

    • NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO: 7,046 shares
    • NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC: 4,696 shares

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

  3. period ended2025-12-31
    13F/A 11,271 shares
    Change vs previous 13F +668 shares

    <0.01% of the 13F portfolio, value $1,983,583.

    13F-HR/A 0001141802-26-000007 filed by NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

    • NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO: 6,584 shares
    • NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC: 4,687 shares

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

  4. period ended2025-09-30
    13F 10,603 shares
    Change vs previous 13F +126 shares

    <0.01% of the 13F portfolio, value $1,485,269.

    13F-HR 0001141802-25-000013 filed by NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

    • NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO: 5,930 shares
    • NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC: 4,673 shares

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

  5. period ended2025-06-30
    13F 10,477 shares
    Change vs previous 13F +289 shares

    <0.01% of the 13F portfolio, value $1,315,807.

    13F-HR 0001085146-25-004957 filed by NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

    • NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO: 5,803 shares
    • NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC: 4,674 shares

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

  6. period ended2025-03-31
    13F 10,188 shares
    Change vs previous 13F +207 shares

    <0.01% of the 13F portfolio, value $1,394,126.

    13F-HR 0001085146-25-003139 filed by NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

    • NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO: 5,532 shares
    • NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC: 4,656 shares

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

  7. period ended2024-12-31
    13F 9,981 shares
    Change vs previous 13F -1,304 shares

    <0.01% of the 13F portfolio, value $1,526,294.

    13F-HR 0001085146-25-000995 filed by NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

    • NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO: 5,355 shares
    • NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC: 4,626 shares

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

  8. period ended2024-09-30
    13F 11,285 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,187,484.

    13F-HR 0001085146-24-005524 filed by NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

    • NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO: 6,669 shares
    • NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC: 4,616 shares

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