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Investment Management Corp of Ontario: BIIB position timeline

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

Investment Management Corp of Ontario held 9,334 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 9,334 shares
    Change vs previous 13F -1,200 shares

    0.03% of the 13F portfolio, value $2,016,704.

    13F-HR 0001999371-26-018010 filed by Investment Management Corp of Ontario
    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 10,534 shares
    Change vs previous 13F -1,808 shares

    0.02% of the 13F portfolio, value $1,931,198.

    13F-HR 0001999371-26-010874 filed by Investment Management Corp of Ontario
    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 12,342 shares
    Change vs previous 13F +2,955 shares

    0.03% of the 13F portfolio, value $2,172,069.

    13F-HR 0001999371-26-003507 filed by Investment Management Corp of Ontario
    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 9,387 shares
    Change vs previous 13F +3,309 shares

    0.02% of the 13F portfolio, value $1,314,931.

    13F-HR 0001999371-25-017736 filed by Investment Management Corp of Ontario
    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 6,078 shares
    Change vs previous 13F -500 shares

    0.01% of the 13F portfolio, value $763,336.

    13F-HR 0001999371-25-011301 filed by Investment Management Corp of Ontario
    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 6,578 shares
    Change vs previous 13F +2,508 shares

    0.02% of the 13F portfolio, value $900,134.

    13F-HR 0001999371-25-006258 filed by Investment Management Corp of Ontario
    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 4,070 shares
    Change vs previous 13F -800 shares

    0.02% of the 13F portfolio, value $622,384.

    13F-HR 0001839882-25-009247 filed by Investment Management Corp of Ontario
    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 4,870 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $944,001.

    13F-HR 0001839882-24-039251 filed by Investment Management Corp of Ontario
    Filed (acceptance time not in the bulk data set), ingested

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