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Disclosery

BlackRock, Inc.: DUOL position timeline

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

BlackRock, Inc. held 3,867,080 DUOL 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 3,867,080 shares
    Change vs previous 13F -119,386 shares

    0.01% of the 13F portfolio, value $444,791,514.

    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 3,986,466 shares
    Change vs previous 13F +87,604 shares

    0.01% of the 13F portfolio, value $392,945,992.

    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 3,898,862 shares
    Change vs previous 13F -286,928 shares

    0.01% of the 13F portfolio, value $684,250,427.

    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 4,185,790 shares
    Change vs previous 13F -51,141 shares

    0.02% of the 13F portfolio, value $1,347,154,874.

    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 4,236,931 shares
    Change vs previous 13F +624,480 shares

    0.03% of the 13F portfolio, value $1,737,226,409.

    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 3,612,451 shares
    Change vs previous 13F -38,187 shares

    0.02% of the 13F portfolio, value $1,121,810,474.

    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 3,650,638 shares
    Change vs previous 13F +196,868 shares

    0.02% of the 13F portfolio, value $1,183,646,359.

    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 3,453,770 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $974,032,215.

    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).