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Disclosery

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND on BIIB, newest first. How the timeline and the estimate are built.

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND held 9,230 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 9,230 shares
    Change vs previous 13F +10 shares

    <0.01% of the 13F portfolio, value $1,994,234.

    13F-HR 0001535845-26-000007 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    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 9,220 shares
    Change vs previous 13F -33,522 shares

    <0.01% of the 13F portfolio, value $1,690,303.

    13F-HR 0001535845-26-000004 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    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 42,742 shares
    Change vs previous 13F -5,205 shares

    0.01% of the 13F portfolio, value $7,522,165.

    13F-HR 0001535845-26-000002 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    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 47,947 shares
    Change vs previous 13F -8,291 shares

    0.01% of the 13F portfolio, value $6,716,416.

    13F-HR 0001535845-25-000013 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    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 56,238 shares
    Change vs previous 13F -7,912 shares

    0.01% of the 13F portfolio, value $7,062,930.

    13F-HR 0001535845-25-000009 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    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 64,150 shares
    Change vs previous 13F -117,709 shares

    0.02% of the 13F portfolio, value $8,778,286.

    13F-HR 0001535845-25-000006 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    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 181,859 shares
    Change vs previous 13F +154,168 shares

    0.06% of the 13F portfolio, value $27,809,878.

    13F-HR 0001535845-25-000004 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    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 27,691 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $5,367,623.

    13F-HR 0001535845-24-000015 filed by HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
    Filed (acceptance time not in the bulk data set), ingested

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