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Disclosery

Gilbert & Cook, Inc.: ARM position timeline

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

Gilbert & Cook, Inc. held 3,989 ARM 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 3,989 shares
    Change vs previous 13F -841 shares

    0.16% of the 13F portfolio, value $1,414,380.

    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 4,830 shares
    Change vs previous 13F -25 shares

    0.09% of the 13F portfolio, value $730,682.

    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 ended2025-12-31
    13F 4,855 shares
    Change vs previous 13F -12 shares

    0.07% of the 13F portfolio, value $530,700.

    13F-HR 0001675762-26-000001 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).

  4. period ended2025-09-30
    13F 4,867 shares
    Change vs previous 13F +17 shares

    0.09% of the 13F portfolio, value $688,632.

    13F-HR 0001675762-25-000002 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 ended2025-06-30
    13F 4,850 shares
    Change vs previous 13F +105 shares

    0.11% of the 13F portfolio, value $784,439.

    13F-HR 0001765380-25-000281 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).

  6. period ended2025-03-31
    13F 4,745 shares
    Change vs previous 13F +2,353 shares

    0.07% of the 13F portfolio, value $506,719.

    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).

  7. period ended2024-12-31
    13F 2,392 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $295,077.

    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).