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Disclosery

ALLIANCEBERNSTEIN L.P.: MTRN position timeline

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

ALLIANCEBERNSTEIN L.P. held 27,199 MTRN 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 27,199 shares
    Change vs previous 13F +4,200 shares

    <0.01% of the 13F portfolio, value $3,934,335.

    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 22,999 shares
    Change vs previous 13F +1,142 shares

    <0.01% of the 13F portfolio, value $2,859,236.

    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 21,857 shares
    Change vs previous 13F -1,058 shares

    <0.01% of the 13F portfolio, value $2,717,262.

    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 22,915 shares
    Change vs previous 13F +4 shares

    <0.01% of the 13F portfolio, value $2,768,361.

    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 22,911 shares
    Change vs previous 13F +142 shares

    <0.01% of the 13F portfolio, value $1,818,446.

    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 22,769 shares
    Change vs previous 13F +958 shares

    <0.01% of the 13F portfolio, value $1,857,950.

    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 21,811 shares
    Change vs previous 13F -960 shares

    <0.01% of the 13F portfolio, value $2,156,672.

    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 22,771 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,547,164.

    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).