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
- period ended2026-06-3013F 19,719 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 21,548 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 21,548 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 23,040 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F/A 21,713 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 21,713 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 19,288 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 20,103 sharesChange 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), ingestedAcceptance time not in the bulk data set (spec §4.2).