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Disclosery

Gilbert & Cook, Inc.: AMAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Gilbert & Cook, Inc. on AMAT, newest first. How the timeline and the estimate are built.

Gilbert & Cook, Inc. held 730 AMAT shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 730 shares
    Change vs previous 13F -135 shares

    0.06% of the 13F portfolio, value $527,545.

    13F-HR 0001675762-26-000004 filed by Gilbert & Cook, Inc.
    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 865 shares
    Change vs previous 13F +865 shares

    0.04% of the 13F portfolio, value $295,532.

    13F-HR 0001675762-26-000003 filed by Gilbert & Cook, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -1,994 shares

    13F-HR 0001765380-25-000172 filed by Gilbert & Cook, Inc.
    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 ended2024-12-31
    13F 1,994 shares
    Change vs previous 13F -40 shares

    0.05% of the 13F portfolio, value $324,225.

    13F-HR 0001765380-25-000007 filed by Gilbert & Cook, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-09-30
    13F 2,034 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $410,892.

    13F-HR 0001765380-24-000405 filed by Gilbert & Cook, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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