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Disclosery

NISSAY ASSET MANAGEMENT CORP /JAPAN: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of NISSAY ASSET MANAGEMENT CORP /JAPAN on BIIB, newest first. How the timeline and the estimate are built.

NISSAY ASSET MANAGEMENT CORP /JAPAN held 185,301 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 185,301 shares
    Change vs previous 13F +155,539 shares

    0.17% of the 13F portfolio, value $40,036,134.

    13F-HR 0001172661-26-003670 filed by NISSAY ASSET MANAGEMENT CORP /JAPAN
    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 29,762 shares
    Change vs previous 13F +3,476 shares

    0.03% of the 13F portfolio, value $5,456,267.

    13F-HR 0001172661-26-002103 filed by NISSAY ASSET MANAGEMENT CORP /JAPAN
    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 26,286 shares
    Change vs previous 13F -19,186 shares

    0.02% of the 13F portfolio, value $4,626,073.

    13F-HR 0001172661-26-000909 filed by NISSAY ASSET MANAGEMENT CORP /JAPAN
    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 45,472 shares
    Change vs previous 13F +654 shares

    0.04% of the 13F portfolio, value $6,369,718.

    13F-HR 0001172661-25-004895 filed by NISSAY ASSET MANAGEMENT CORP /JAPAN
    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 44,818 shares
    Change vs previous 13F -2,386 shares

    0.03% of the 13F portfolio, value $5,628,693.

    13F-HR 0001172661-25-003399 filed by NISSAY ASSET MANAGEMENT CORP /JAPAN
    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 47,204 shares
    Change vs previous 13F +3,325 shares

    0.04% of the 13F portfolio, value $6,459,395.

    13F-HR 0001172661-25-001979 filed by NISSAY ASSET MANAGEMENT CORP /JAPAN
    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 43,879 shares
    Change vs previous 13F +1,379 shares

    0.04% of the 13F portfolio, value $6,639,331.

    13F-HR 0001172661-25-000881 filed by NISSAY ASSET MANAGEMENT CORP /JAPAN
    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 42,500 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $8,238,200.

    13F-HR 0001172661-24-004753 filed by NISSAY ASSET MANAGEMENT CORP /JAPAN
    Filed (acceptance time not in the bulk data set), ingested

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