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CANADA PENSION PLAN INVESTMENT BOARD: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CANADA PENSION PLAN INVESTMENT BOARD on BIIB, newest first. How the timeline and the estimate are built.

CANADA PENSION PLAN INVESTMENT BOARD held 13,602 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 13,602 shares
    Change vs previous 13F -101,336 shares

    <0.01% of the 13F portfolio, value $2,938,848.

    13F-HR 0001104659-26-097308 filed by CANADA PENSION PLAN INVESTMENT BOARD
    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 114,938 shares
    Change vs previous 13F -23,140 shares

    0.01% of the 13F portfolio, value $21,071,584.

    13F-HR 0001104659-26-062533 filed by CANADA PENSION PLAN INVESTMENT BOARD
    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 138,078 shares
    Change vs previous 13F -101,302 shares

    0.02% of the 13F portfolio, value $24,300,347.

    13F-HR 0001104659-26-016373 filed by CANADA PENSION PLAN INVESTMENT BOARD
    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 239,380 shares
    Change vs previous 13F -15,803 shares

    0.02% of the 13F portfolio, value $33,532,350.

    13F-HR 0001104659-25-111415 filed by CANADA PENSION PLAN INVESTMENT BOARD
    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 255,183 shares
    Change vs previous 13F +24,379 shares

    0.03% of the 13F portfolio, value $32,048,433.

    13F-HR 0001104659-25-078758 filed by CANADA PENSION PLAN INVESTMENT BOARD
    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 230,804 shares
    Change vs previous 13F -30,358 shares

    0.03% of the 13F portfolio, value $31,583,219.

    13F-HR 0001104659-25-048705 filed by CANADA PENSION PLAN INVESTMENT BOARD
    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 261,162 shares
    Change vs previous 13F +56,132 shares

    0.04% of the 13F portfolio, value $39,936,893.

    13F-HR 0001104659-25-013032 filed by CANADA PENSION PLAN INVESTMENT BOARD
    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 205,030 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $39,743,015.

    13F-HR 0001104659-24-118158 filed by CANADA PENSION PLAN INVESTMENT BOARD
    Filed (acceptance time not in the bulk data set), ingested

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