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BlackRock, Inc.: MZTI position timeline

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

BlackRock, Inc. held 2,742,494 MZTI 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 2,742,494 shares
    Change vs previous 13F +117,615 shares

    <0.01% of the 13F portfolio, value $313,083,172.

    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 2,624,879 shares
    Change vs previous 13F +71,132 shares

    0.01% of the 13F portfolio, value $363,099,498.

    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 2,553,747 shares
    Change vs previous 13F -352 shares

    0.01% of the 13F portfolio, value $419,886,962.

    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 2,554,099 shares
    Change vs previous 13F -40,495 shares

    0.01% of the 13F portfolio, value $441,322,736.

    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 2,594,594 shares
    Change vs previous 13F -20,541 shares

    0.01% of the 13F portfolio, value $448,267,910.

    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 2,615,135 shares
    Change vs previous 13F +110,797 shares

    0.01% of the 13F portfolio, value $457,648,568.

    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 2,504,338 shares
    Change vs previous 13F +40,444 shares

    0.01% of the 13F portfolio, value $433,601,026.

    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 2,463,894 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $435,049,725.

    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).