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Disclosery

FMR LLC: ATI position timeline

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

FMR LLC held 4,989,171 ATI shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,989,171 shares
    Change vs previous 13F -258,004 shares

    0.04% of the 13F portfolio, value $983,365,727.

    13F-HR 0000315066-26-002260 filed by FMR LLC
    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 5,247,175 shares
    Change vs previous 13F +172,351 shares

    0.04% of the 13F portfolio, value $763,254,091.

    13F-HR 0000315066-26-001390 filed by FMR LLC
    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 5,074,824 shares
    Change vs previous 13F +175,654 shares

    0.03% of the 13F portfolio, value $582,386,731.

    13F-HR 0000315066-26-000611 filed by FMR LLC
    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 4,899,170 shares
    Change vs previous 13F +1,485,389 shares

    0.02% of the 13F portfolio, value $398,498,467.

    13F-HR 0000315066-25-002929 filed by FMR LLC
    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 3,413,781 shares
    Change vs previous 13F -814,271 shares

    0.02% of the 13F portfolio, value $294,745,863.

    13F-HR 0000315066-25-002231 filed by FMR LLC
    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 4,228,052 shares
    Change vs previous 13F -2,393,831 shares

    0.01% of the 13F portfolio, value $219,985,530.

    13F-HR 0000315066-25-001380 filed by FMR LLC
    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 6,621,883 shares
    Change vs previous 13F -2,659,510 shares

    0.02% of the 13F portfolio, value $364,468,434.

    13F-HR 0000315066-25-000939 filed by FMR LLC
    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 9,281,393 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $621,018,002.

    13F-HR 0001385495-24-000014 filed by FMR LLC
    Filed (acceptance time not in the bulk data set), ingested

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