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CI INVESTMENTS INC.: BIIB position timeline

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

CI INVESTMENTS INC. held 8,582 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,582 shares
    Change vs previous 13F +4,504 shares

    0.01% of the 13F portfolio, value $1,854,227.

    13F-HR 0001163648-26-000011 filed by CI INVESTMENTS INC.
    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 4,078 shares
    Change vs previous 13F -319 shares

    <0.01% of the 13F portfolio, value $747,620.

    13F-HR 0001163648-26-000005 filed by CI INVESTMENTS INC.
    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 4,397 shares
    Change vs previous 13F -285 shares

    <0.01% of the 13F portfolio, value $773,828.

    13F-HR 0001163648-26-000003 filed by CI INVESTMENTS INC.
    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 4,682 shares
    Change vs previous 13F -289 shares

    <0.01% of the 13F portfolio, value $656,000.

    13F-HR 0001163648-25-000016 filed by CI INVESTMENTS INC.
    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 4,971 shares
    Change vs previous 13F -1,641 shares

    <0.01% of the 13F portfolio, value $624,000.

    13F-HR 0001163648-25-000009 filed by CI INVESTMENTS INC.
    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 6,612 shares
    Change vs previous 13F -544 shares

    <0.01% of the 13F portfolio, value $905,000.

    13F-HR 0001163648-25-000004 filed by CI INVESTMENTS INC.
    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 7,156 shares
    Change vs previous 13F +1,302 shares

    <0.01% of the 13F portfolio, value $1,094,000.

    13F-HR 0001163648-25-000002 filed by CI INVESTMENTS INC.
    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 5,854 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,135,000.

    13F-HR 0001163648-24-000024 filed by CI INVESTMENTS INC.
    Filed (acceptance time not in the bulk data set), ingested

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