Skip to content

BlackRock Inc.: BIIB position timeline

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

BlackRock Inc. held 14,538,497 BIIB shares at 2024-06-30 per its 13F-HR filed 2024-08-13.

the latest 13F is the newest step

  1. period ended2024-06-30
    13F 14,538,497 shares
    Change vs previous 13F +393,509 shares

    0.08% of the 13F portfolio, value $3,370,314,430.

    13F-HR 0001086364-24-008417 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2024-03-31
    13F 14,144,988 shares
    Change vs previous 13F -101,670 shares

    0.07% of the 13F portfolio, value $3,050,083,805.

    13F-HR 0001086364-24-007638 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2023-12-31
    13F 14,246,658 shares
    Change vs previous 13F +272,071 shares

    0.09% of the 13F portfolio, value $3,686,607,689.

    13F-HR 0001086364-24-006999 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2023-09-30
    13F 13,974,587 shares
    Change vs previous 13F -91,407 shares

    0.1% of the 13F portfolio, value $3,591,608,603.

    13F-HR 0001306550-23-010335 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2023-06-30
    13F 14,065,994 shares
    Change vs previous 13F +79,773 shares

    0.11% of the 13F portfolio, value $4,006,698,273.

    13F-HR 0001306550-23-009732 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2023-03-31
    13F 13,986,221 shares
    Change vs previous 13F -274,392 shares

    0.12% of the 13F portfolio, value $3,888,589,023.

    13F-HR 0001086364-23-000015 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2022-12-31
    13F 14,260,613 shares
    Change vs previous 13F +413,887 shares

    0.12% of the 13F portfolio, value $3,949,048,953.

    13F-HR 0000913414-23-000035 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2022-09-30
    13F 13,846,726 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $3,697,075,000.

    13F-HR 0001086364-22-000004 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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