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Disclosery

Gilbert & Cook, Inc.: RKLB position timeline

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

Gilbert & Cook, Inc. held 20,125 RKLB 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 20,125 shares
    Change vs previous 13F -6,159 shares

    0.24% of the 13F portfolio, value $2,045,706.

    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 26,284 shares
    Change vs previous 13F -16,923 shares

    0.22% of the 13F portfolio, value $1,687,958.

    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 43,207 shares
    Change vs previous 13F +110 shares

    0.38% of the 13F portfolio, value $3,014,120.

    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 43,097 shares
    Change vs previous 13F -302 shares

    0.27% of the 13F portfolio, value $2,064,777.

    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 43,399 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $1,552,382.

    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).