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Caisse de depot et placement du Quebec: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Caisse de depot et placement du Quebec on BIIB, newest first. How the timeline and the estimate are built.

Caisse de depot et placement du Quebec held 510,194 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 510,194 shares
    Change vs previous 13F -8,500 shares

    0.16% of the 13F portfolio, value $110,232,516.

    13F-HR 0001140361-26-033187 filed by Caisse de depot et placement du Quebec
    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 518,694 shares
    Change vs previous 13F -69,851 shares

    0.15% of the 13F portfolio, value $95,092,171.

    13F-HR 0001140361-26-021351 filed by Caisse de depot et placement du Quebec
    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 588,545 shares
    Change vs previous 13F +19,292 shares

    0.18% of the 13F portfolio, value $103,578,035.

    13F-HR 0001140361-26-005820 filed by Caisse de depot et placement du Quebec
    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 569,253 shares
    Change vs previous 13F +499,676 shares

    0.14% of the 13F portfolio, value $79,740,963.

    13F-HR 0001140361-25-042362 filed by Caisse de depot et placement du Quebec
    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 69,577 shares
    Change vs previous 13F -12,323 shares

    0.02% of the 13F portfolio, value $8,738,175.

    13F-HR 0001140361-25-031297 filed by Caisse de depot et placement du Quebec
    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 81,900 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $11,207,196.

    13F-HR 0001140361-25-018990 filed by Caisse de depot et placement du Quebec
    Filed (acceptance time not in the bulk data set), ingested

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