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Disclosery

ALLIANCEBERNSTEIN L.P.: MTRX position timeline

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

ALLIANCEBERNSTEIN L.P. held 116,280 MTRX 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 116,280 shares
    Change vs previous 13F +2,540 shares

    <0.01% of the 13F portfolio, value $1,334,894.

    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 113,740 shares
    Change vs previous 13F -4,430 shares

    <0.01% of the 13F portfolio, value $1,330,758.

    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 118,170 shares
    Change vs previous 13F +31,750 shares

    <0.01% of the 13F portfolio, value $1,382,589.

    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 86,420 shares
    Change vs previous 13F +71,470 shares

    <0.01% of the 13F portfolio, value $1,130,374.

    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 14,950 shares
    Change vs previous 13F -90,410 shares

    <0.01% of the 13F portfolio, value $201,975.

    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 105,360 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,309,625.

    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).