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BlackRock, Inc.: STX position timeline

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

BlackRock, Inc. held 15,166,793 STX 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 15,166,793 shares
    Change vs previous 13F +892,710 shares

    0.22% of the 13F portfolio, value $14,635,954,522.

    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 14,274,083 shares
    Change vs previous 13F -1,842,843 shares

    0.1% of the 13F portfolio, value $5,592,014,773.

    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 16,116,926 shares
    Change vs previous 13F +1,719,382 shares

    0.08% of the 13F portfolio, value $4,438,440,190.

    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 14,397,544 shares
    Change vs previous 13F +496,557 shares

    0.06% of the 13F portfolio, value $3,398,684,170.

    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 13,900,987 shares
    Change vs previous 13F +414,736 shares

    0.04% of the 13F portfolio, value $2,006,329,515.

    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 13,486,251 shares
    Change vs previous 13F -78,607 shares

    0.02% of the 13F portfolio, value $1,145,657,020.

    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 13,564,858 shares
    Change vs previous 13F -350,132 shares

    0.02% of the 13F portfolio, value $1,170,782,913.

    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 13,914,990 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $1,524,108,842.

    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).