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ALLIANCEBERNSTEIN L.P.: M position timeline

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

ALLIANCEBERNSTEIN L.P. held 514,754 M 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 514,754 shares
    Change vs previous 13F +145,870 shares

    <0.01% of the 13F portfolio, value $9,311,900.

    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 368,884 shares
    Change vs previous 13F -20,215 shares

    <0.01% of the 13F portfolio, value $8,133,892.

    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 389,099 shares
    Change vs previous 13F -166,633 shares

    <0.01% of the 13F portfolio, value $8,579,633.

    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 555,732 shares
    Change vs previous 13F +246,186 shares

    <0.01% of the 13F portfolio, value $9,964,275.

    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 309,546 shares
    Change vs previous 13F -4,860 shares

    <0.01% of the 13F portfolio, value $3,609,306.

    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 314,406 shares
    Change vs previous 13F -4,846 shares

    <0.01% of the 13F portfolio, value $3,948,939.

    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 319,252 shares
    Change vs previous 13F -5,453 shares

    <0.01% of the 13F portfolio, value $5,404,936.

    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 324,705 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $5,094,621.

    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).