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Disclosery

Castellan Group: ATO position timeline

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

Castellan Group held 25,830 ATO 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 25,830 shares
    Change vs previous 13F +205 shares

    0.49% of the 13F portfolio, value $4,449,734.

    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 25,625 shares
    Change vs previous 13F +1,832 shares

    0.66% of the 13F portfolio, value $4,733,450.

    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 23,793 shares
    Change vs previous 13F +1,013 shares

    0.5% of the 13F portfolio, value $3,988,421.

    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 22,780 shares
    Change vs previous 13F +443 shares

    0.57% of the 13F portfolio, value $3,889,685.

    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 22,337 shares
    Change vs previous 13F +931 shares

    0.63% of the 13F portfolio, value $3,442,355.

    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 21,406 shares
    Change vs previous 13F not available

    0.93% of the 13F portfolio, value $3,308,939.

    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).