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ALLIANCEBERNSTEIN L.P.: ATI position timeline

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

ALLIANCEBERNSTEIN L.P. held 522,371 ATI 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 522,371 shares
    Change vs previous 13F -53,157 shares

    0.03% of the 13F portfolio, value $75,984,086.

    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 575,528 shares
    Change vs previous 13F +269,011 shares

    0.02% of the 13F portfolio, value $66,047,593.

    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 306,517 shares
    Change vs previous 13F +34,749 shares

    0.01% of the 13F portfolio, value $35,175,891.

    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 271,768 shares
    Change vs previous 13F +70,740 shares

    0.01% of the 13F portfolio, value $22,105,609.

    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 201,028 shares
    Change vs previous 13F -15,120 shares

    0.01% of the 13F portfolio, value $17,356,758.

    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 216,148 shares
    Change vs previous 13F -200,602 shares

    <0.01% of the 13F portfolio, value $11,246,180.

    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 416,750 shares
    Change vs previous 13F -12,513 shares

    0.01% of the 13F portfolio, value $22,937,920.

    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 429,263 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $28,721,987.

    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).