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Disclosery

BlackRock, Inc.: BSX position timeline

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

BlackRock, Inc. held 129,680,916 BSX shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 129,680,916 shares
    Change vs previous 13F -2,141,121 shares

    0.08% of the 13F portfolio, value $5,534,781,496.

    13F-HR 0002012383-26-003238 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 ended2026-03-31
    13F 131,822,037 shares
    Change vs previous 13F -4,165,208 shares

    0.15% of the 13F portfolio, value $8,271,832,842.

    13F-HR 0002012383-26-001841 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 ended2025-12-31
    13F 135,987,245 shares
    Change vs previous 13F -9,188,624 shares

    0.22% of the 13F portfolio, value $12,966,383,785.

    13F-HR 0002012383-26-000920 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 ended2025-09-30
    13F 145,175,869 shares
    Change vs previous 13F -1,511,871 shares

    0.25% of the 13F portfolio, value $14,173,520,098.

    13F-HR 0002012383-25-002949 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 ended2025-06-30
    13F 146,687,740 shares
    Change vs previous 13F +5,016,674 shares

    0.3% of the 13F portfolio, value $15,755,730,087.

    13F-HR 0001060021-25-000120 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 ended2025-03-31
    13F 141,671,066 shares
    Change vs previous 13F +2,644,628 shares

    0.3% of the 13F portfolio, value $14,291,777,135.

    13F-HR 0001576419-25-000869 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 ended2024-12-31
    13F 139,026,438 shares
    Change vs previous 13F +10,325,678 shares

    0.25% of the 13F portfolio, value $12,417,841,455.

    13F-HR 0001060021-25-000002 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 ended2024-09-30
    13F 128,700,760 shares
    Change vs previous 13F not available

    0.23% of the 13F portfolio, value $10,785,123,674.

    13F-HR 0001426459-24-000006 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).