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Mengis Capital Management, Inc.: ATI position timeline

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

Mengis Capital Management, Inc. held 63,629 ATI shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 63,629 shares
    Change vs previous 13F -5,985 shares

    1.79% of the 13F portfolio, value $12,051,333.

    13F-HR 0001609674-26-000005 filed by Mengis Capital Management, Inc.
    Accepted , ingested

  2. period ended2026-06-30
    13F 69,614 shares
    Change vs previous 13F -1,038 shares

    2.09% of the 13F portfolio, value $13,720,919.

    13F-HR 0001609674-26-000004 filed by Mengis Capital Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 70,652 shares
    Change vs previous 13F -2,615 shares

    1.77% of the 13F portfolio, value $10,277,039.

    13F-HR 0001609674-26-000003 filed by Mengis Capital Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 73,267 shares
    Change vs previous 13F -8,540 shares

    1.49% of the 13F portfolio, value $8,408,120.

    13F-HR 0001609674-26-000001 filed by Mengis Capital Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 81,807 shares
    Change vs previous 13F +1,080 shares

    1.31% of the 13F portfolio, value $6,654,181.

    13F-HR 0001609674-25-000006 filed by Mengis Capital Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 80,727 shares
    Change vs previous 13F -2,180 shares

    1.48% of the 13F portfolio, value $6,969,969.

    13F-HR 0001609674-25-000004 filed by Mengis Capital Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 82,907 shares
    Change vs previous 13F +2,575 shares

    0.9% of the 13F portfolio, value $4,313,651.

    13F-HR 0001609674-25-000003 filed by Mengis Capital Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 80,332 shares
    Change vs previous 13F not available

    0.9% of the 13F portfolio, value $4,421,473.

    13F-HR 0001609674-25-000001 filed by Mengis Capital Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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