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MARATHON CAPITAL MANAGEMENT: RIO position timeline

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

MARATHON CAPITAL MANAGEMENT held 0 RIO shares at 2026-06-30 per its 13F-HR filed 2026-07-22.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 0 shares
    Change vs previous 13F -4,657 shares

    13F-HR 0001172661-26-002744 filed by MARATHON CAPITAL MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2026-03-31
    13F 4,657 shares
    Change vs previous 13F -1,174 shares

    0.1% of the 13F portfolio, value $434,452.

    13F-HR 0001172661-26-001839 filed by MARATHON CAPITAL MANAGEMENT
    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 5,831 shares
    Change vs previous 13F -784 shares

    0.1% of the 13F portfolio, value $466,655.

    13F-HR 0001172661-26-000374 filed by MARATHON CAPITAL MANAGEMENT
    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 6,615 shares
    Change vs previous 13F 0 shares

    0.1% of the 13F portfolio, value $436,656.

    13F-HR 0001172661-25-004808 filed by MARATHON CAPITAL MANAGEMENT
    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 6,615 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $385,853.

    13F-HR 0001172661-25-003317 filed by MARATHON CAPITAL MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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