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BlackRock, Inc.: MG position timeline

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

BlackRock, Inc. held 1,166,197 MG 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 1,166,197 shares
    Change vs previous 13F +306,745 shares

    <0.01% of the 13F portfolio, value $20,373,462.

    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 859,452 shares
    Change vs previous 13F -21,260 shares

    <0.01% of the 13F portfolio, value $12,702,701.

    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 880,712 shares
    Change vs previous 13F -177,561 shares

    <0.01% of the 13F portfolio, value $11,141,006.

    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 1,058,273 shares
    Change vs previous 13F -165,885 shares

    <0.01% of the 13F portfolio, value $10,413,406.

    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 1,224,158 shares
    Change vs previous 13F -194,580 shares

    <0.01% of the 13F portfolio, value $9,805,508.

    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 1,418,738 shares
    Change vs previous 13F -61,626 shares

    <0.01% of the 13F portfolio, value $15,010,248.

    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 1,480,364 shares
    Change vs previous 13F -60,925 shares

    <0.01% of the 13F portfolio, value $13,412,098.

    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 1,541,289 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $17,524,457.

    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).