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TUDOR INVESTMENT CORP ET AL: ATI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TUDOR INVESTMENT CORP ET AL on ATI, newest first. How the timeline and the estimate are built.

TUDOR INVESTMENT CORP ET AL held 148,638 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 148,638 shares
    Change vs previous 13F +59,703 shares

    0.12% of the 13F portfolio, value $29,296,550.

    13F-HR 0000902664-26-003485 filed by TUDOR INVESTMENT CORP ET AL
    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 88,935 shares
    Change vs previous 13F +88,935 shares

    0.07% of the 13F portfolio, value $12,936,485.

    13F-HR 0000902664-26-002516 filed by TUDOR INVESTMENT CORP ET AL
    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 0 shares
    Change vs previous 13F -181,797 shares

    13F-HR 0000902664-26-001113 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-09-30
    13F/A 181,797 shares
    Change vs previous 13F -409,545 shares

    0.1% of the 13F portfolio, value $14,787,368.

    13F-HR/A 0000902664-25-005239 filed by TUDOR INVESTMENT CORP ET AL
    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 591,342 shares
    Change vs previous 13F +363,070 shares

    0.39% of the 13F portfolio, value $51,056,468.

    13F-HR 0000902664-25-003613 filed by TUDOR INVESTMENT CORP ET AL
    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 228,272 shares
    Change vs previous 13F +228,272 shares

    0.11% of the 13F portfolio, value $11,876,992.

    13F-HR 0000902664-25-002382 filed by TUDOR INVESTMENT CORP ET AL
    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 0 shares
    Change vs previous 13F -206,534 shares

    13F-HR 0000902664-25-001008 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  8. period ended2024-09-30
    13F 206,534 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $13,819,190.

    13F-HR 0000902664-24-006581 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).