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ALLIANCEBERNSTEIN L.P.: ARM position timeline

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

ALLIANCEBERNSTEIN L.P. held 226,427 ARM 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 226,427 shares
    Change vs previous 13F +8,428 shares

    0.01% of the 13F portfolio, value $34,253,877.

    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 217,999 shares
    Change vs previous 13F +192,871 shares

    0.01% of the 13F portfolio, value $23,829,471.

    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 25,128 shares
    Change vs previous 13F -37,731 shares

    <0.01% of the 13F portfolio, value $2,746,742.

    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 62,859 shares
    Change vs previous 13F -39,865 shares

    <0.01% of the 13F portfolio, value $8,893,920.

    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 102,724 shares
    Change vs previous 13F -60,720 shares

    0.01% of the 13F portfolio, value $16,614,580.

    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 163,444 shares
    Change vs previous 13F +50,889 shares

    0.01% of the 13F portfolio, value $17,454,185.

    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 112,555 shares
    Change vs previous 13F -7,894 shares

    <0.01% of the 13F portfolio, value $13,884,785.

    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 120,449 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $17,225,411.

    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).