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Disclosery

BlackRock, Inc.: MRTN position timeline

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

BlackRock, Inc. held 10,058,930 MRTN 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 10,058,930 shares
    Change vs previous 13F +298,912 shares

    <0.01% of the 13F portfolio, value $174,522,436.

    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 9,760,018 shares
    Change vs previous 13F +90,588 shares

    <0.01% of the 13F portfolio, value $128,149,033.

    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 9,669,430 shares
    Change vs previous 13F +742,315 shares

    <0.01% of the 13F portfolio, value $110,038,117.

    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 8,927,115 shares
    Change vs previous 13F +219,172 shares

    <0.01% of the 13F portfolio, value $95,163,049.

    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 8,707,943 shares
    Change vs previous 13F -211,640 shares

    <0.01% of the 13F portfolio, value $113,116,183.

    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 8,919,583 shares
    Change vs previous 13F -237,907 shares

    <0.01% of the 13F portfolio, value $122,376,683.

    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 9,157,490 shares
    Change vs previous 13F +257,198 shares

    <0.01% of the 13F portfolio, value $142,948,423.

    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 8,900,292 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $157,535,161.

    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).