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Natixis Investment Managers: ATI position timeline

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

Natixis Investment Managers held 146,626 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 146,626 shares
    Change vs previous 13F +4,047 shares

    0.03% of the 13F portfolio, value $28,899,793.

    13F-HR 0001018331-26-000006 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 91,589 shares
    • NATIXIS: 55,037 shares

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

  2. period ended2026-03-31
    13F 142,579 shares
    Change vs previous 13F -272,753 shares

    0.02% of the 13F portfolio, value $20,739,209.

    13F-HR 0001018331-26-000004 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 124,277 shares
    • NATIXIS: 18,302 shares

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

  3. period ended2025-12-31
    13F 415,332 shares
    Change vs previous 13F +339,409 shares

    0.05% of the 13F portfolio, value $47,664,329.

    13F-HR 0001104659-26-015191 filed by NATIXIS
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 151,265 shares
    • NATIXIS: 264,067 shares

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

  4. period ended2025-09-30
    13F 75,923 shares
    Change vs previous 13F -203,056 shares

    0.01% of the 13F portfolio, value $6,176,000.

    13F-HR 0001018331-25-000009 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 75,923 shares
    • NATIXIS: 0 shares

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

  5. period ended2025-06-30
    13F 278,979 shares
    Change vs previous 13F +214,441 shares

    0.03% of the 13F portfolio, value $24,087,512.

    13F-HR 0001104659-25-077556 filed by NATIXIS
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 75,649 shares
    • NATIXIS: 203,330 shares

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

  6. period ended2025-03-31
    13F/A 64,538 shares
    Change vs previous 13F -13,029 shares

    <0.01% of the 13F portfolio, value $3,358,086.

    13F-HR 0001018331-25-000004 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 64,338 shares
    • NATIXIS: 200 shares

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

  7. period ended2024-12-31
    13F 77,567 shares
    Change vs previous 13F -3,439 shares

    0.01% of the 13F portfolio, value $4,269,000.

    13F-HR 0001018331-25-000002 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 77,567 shares
    • NATIXIS: 0 shares

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

  8. period ended2024-09-30
    13F 81,006 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $5,420,391.

    13F-HR 0001018331-24-000009 filed by NATIXIS ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • NATIXIS ADVISORS, LLC: 77,757 shares
    • NATIXIS: 3,249 shares

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