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BlackRock, Inc.: MTRX position timeline

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

BlackRock, Inc. held 2,139,456 MTRX 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 2,139,456 shares
    Change vs previous 13F +125,239 shares

    <0.01% of the 13F portfolio, value $29,310,548.

    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 2,014,217 shares
    Change vs previous 13F -1,672,568 shares

    <0.01% of the 13F portfolio, value $23,123,210.

    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 3,686,785 shares
    Change vs previous 13F +382,274 shares

    <0.01% of the 13F portfolio, value $43,135,385.

    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 3,304,511 shares
    Change vs previous 13F +28,216 shares

    <0.01% of the 13F portfolio, value $43,223,005.

    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 3,276,295 shares
    Change vs previous 13F +61,599 shares

    <0.01% of the 13F portfolio, value $44,262,746.

    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 3,214,696 shares
    Change vs previous 13F -417,473 shares

    <0.01% of the 13F portfolio, value $39,958,671.

    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 3,632,169 shares
    Change vs previous 13F -2,232 shares

    <0.01% of the 13F portfolio, value $43,477,063.

    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 3,634,401 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $41,904,644.

    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).