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ALLIANCEBERNSTEIN L.P.: AM position timeline

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

ALLIANCEBERNSTEIN L.P. held 3,625,697 AM 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 3,625,697 shares
    Change vs previous 13F -198,250 shares

    0.03% of the 13F portfolio, value $82,665,892.

    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 3,823,947 shares
    Change vs previous 13F +3,331,462 shares

    0.02% of the 13F portfolio, value $68,028,017.

    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 492,485 shares
    Change vs previous 13F -80 shares

    <0.01% of the 13F portfolio, value $8,761,308.

    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 492,565 shares
    Change vs previous 13F +37,297 shares

    <0.01% of the 13F portfolio, value $9,575,464.

    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 455,268 shares
    Change vs previous 13F +8,506 shares

    <0.01% of the 13F portfolio, value $8,627,329.

    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 446,762 shares
    Change vs previous 13F -11,290 shares

    <0.01% of the 13F portfolio, value $8,041,716.

    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 458,052 shares
    Change vs previous 13F -3,024 shares

    <0.01% of the 13F portfolio, value $6,912,005.

    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 461,076 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $6,939,194.

    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).