Skip to content

Castellan Group: RIO position timeline

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

Castellan Group held 19,719 RIO shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 19,719 shares
    Change vs previous 13F -1,829 shares

    0.21% of the 13F portfolio, value $1,871,925.

    13F-HR 0001832521-26-000003 filed by Castellan Group
    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 21,548 shares
    Change vs previous 13F 0 shares

    0.28% of the 13F portfolio, value $2,010,213.

    13F-HR 0001832521-26-000002 filed by Castellan Group
    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 21,548 shares
    Change vs previous 13F -1,492 shares

    0.22% of the 13F portfolio, value $1,724,486.

    13F-HR 0001832521-26-000001 filed by Castellan Group
    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 23,040 shares
    Change vs previous 13F +1,327 shares

    0.22% of the 13F portfolio, value $1,520,870.

    13F-HR 0001832521-25-000008 filed by Castellan Group
    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/A 21,713 shares
    Change vs previous 13F 0 shares

    0.23% of the 13F portfolio, value $1,266,519.

    13F-HR/A 0001832521-25-000006 filed by Castellan Group
    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 21,713 shares
    Change vs previous 13F +2,425 shares

    0.36% of the 13F portfolio, value $1,304,517.

    13F-HR 0001832521-25-000004 filed by Castellan Group
    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 19,288 shares
    Change vs previous 13F -815 shares

    0.49% of the 13F portfolio, value $1,134,327.

    13F-HR 0001832521-25-000002 filed by Castellan Group
    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 20,103 shares
    Change vs previous 13F not available

    0.6% of the 13F portfolio, value $1,430,731.

    13F-HR 0001832521-24-000010 filed by Castellan Group
    Filed (acceptance time not in the bulk data set), ingested

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