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Disclosery

STRS OHIO: BIIB position timeline

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

STRS OHIO held 93,794 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 93,794 shares
    Change vs previous 13F +90,300 shares

    0.08% of the 13F portfolio, value $20,265,132.

    13F-HR 0000820478-26-000014 filed by STRS OHIO
    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 3,494 shares
    Change vs previous 13F -5 shares

    <0.01% of the 13F portfolio, value $640,555.

    13F-HR 0000820478-26-000008 filed by STRS OHIO
    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 3,499 shares
    Change vs previous 13F +6 shares

    <0.01% of the 13F portfolio, value $615,789.

    13F-HR 0000820478-26-000006 filed by STRS OHIO
    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 3,493 shares
    Change vs previous 13F +1 shares

    <0.01% of the 13F portfolio, value $489,299.

    13F-HR 0000820478-25-000020 filed by STRS OHIO
    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 3,492 shares
    Change vs previous 13F -30,508 shares

    <0.01% of the 13F portfolio, value $438,560.

    13F-HR 0000820478-25-000016 filed by STRS OHIO
    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 34,000 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $4,652,560.

    13F-HR 0000820478-25-000013 filed by STRS OHIO
    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 34,000 shares
    Change vs previous 13F -15,000 shares

    0.02% of the 13F portfolio, value $5,199,280.

    13F-HR 0000820478-25-000014 filed by STRS OHIO
    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 49,000 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $9,498,160.

    13F-HR 0000820478-24-000016 filed by STRS OHIO
    Filed (acceptance time not in the bulk data set), ingested

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