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ALLIANCEBERNSTEIN L.P.: ATMU position timeline

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

ALLIANCEBERNSTEIN L.P. held 116,783 ATMU 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 116,783 shares
    Change vs previous 13F +21,309 shares

    <0.01% of the 13F portfolio, value $6,629,771.

    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 95,474 shares
    Change vs previous 13F +6,993 shares

    <0.01% of the 13F portfolio, value $4,956,055.

    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 88,481 shares
    Change vs previous 13F +91 shares

    <0.01% of the 13F portfolio, value $4,593,049.

    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 88,390 shares
    Change vs previous 13F +176 shares

    <0.01% of the 13F portfolio, value $3,985,505.

    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 88,214 shares
    Change vs previous 13F -1,240 shares

    <0.01% of the 13F portfolio, value $3,212,754.

    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 89,454 shares
    Change vs previous 13F +1,511 shares

    <0.01% of the 13F portfolio, value $3,285,645.

    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 87,943 shares
    Change vs previous 13F +1,100 shares

    <0.01% of the 13F portfolio, value $3,445,607.

    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 86,843 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $3,259,218.

    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).