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ALLIANCEBERNSTEIN L.P.: MAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ALLIANCEBERNSTEIN L.P. on MAT, newest first. How the timeline and the estimate are built.

ALLIANCEBERNSTEIN L.P. held 326,704 MAT shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 326,704 shares
    Change vs previous 13F -70,842 shares

    <0.01% of the 13F portfolio, value $4,747,009.

    13F-HR 0001109448-26-000261 filed by ALLIANCEBERNSTEIN L.P.
    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 397,546 shares
    Change vs previous 13F -7,285 shares

    <0.01% of the 13F portfolio, value $7,887,313.

    13F-HR 0001109448-26-000101 filed by ALLIANCEBERNSTEIN L.P.
    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 404,831 shares
    Change vs previous 13F -3,632 shares

    <0.01% of the 13F portfolio, value $8,031,847.

    13F-HR 0001109448-26-000021 filed by ALLIANCEBERNSTEIN L.P.
    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 408,463 shares
    Change vs previous 13F -17,090 shares

    <0.01% of the 13F portfolio, value $6,874,432.

    13F-HR 0001109448-25-000079 filed by ALLIANCEBERNSTEIN L.P.
    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 425,553 shares
    Change vs previous 13F -45,527 shares

    <0.01% of the 13F portfolio, value $8,391,905.

    13F-HR 0001532155-25-000161 filed by ALLIANCEBERNSTEIN L.P.
    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 471,080 shares
    Change vs previous 13F -13,183 shares

    <0.01% of the 13F portfolio, value $9,153,084.

    13F-HR 0001532155-25-000116 filed by ALLIANCEBERNSTEIN L.P.
    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 484,263 shares
    Change vs previous 13F +32,178 shares

    <0.01% of the 13F portfolio, value $8,585,983.

    13F-HR 0001532155-25-000050 filed by ALLIANCEBERNSTEIN L.P.
    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 452,085 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $8,612,219.

    13F-HR 0001532155-24-000162 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).