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MORGAN DEMPSEY CAPITAL MANAGEMENT LLC: RIO position timeline

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

MORGAN DEMPSEY CAPITAL MANAGEMENT LLC held 53,677 RIO shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 53,677 shares
    Change vs previous 13F +1,769 shares

    2.18% of the 13F portfolio, value $5,095,572.

    13F-HR 0001941040-26-000498 filed by MORGAN DEMPSEY CAPITAL MANAGEMENT LLC
    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 51,908 shares
    Change vs previous 13F -1,184 shares

    2.27% of the 13F portfolio, value $4,974,401.

    13F-HR 0001941040-26-000296 filed by MORGAN DEMPSEY CAPITAL MANAGEMENT LLC
    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 53,092 shares
    Change vs previous 13F +5,148 shares

    2.07% of the 13F portfolio, value $4,248,941.

    13F-HR 0001941040-26-000137 filed by MORGAN DEMPSEY CAPITAL MANAGEMENT LLC
    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 47,944 shares
    Change vs previous 13F -6,326 shares

    1.41% of the 13F portfolio, value $3,164,774.

    13F-HR 0001941040-25-000656 filed by MORGAN DEMPSEY CAPITAL MANAGEMENT LLC
    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 54,270 shares
    Change vs previous 13F -691 shares

    1.32% of the 13F portfolio, value $3,165,563.

    13F-HR 0001941040-25-000372 filed by MORGAN DEMPSEY CAPITAL MANAGEMENT LLC
    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 54,961 shares
    Change vs previous 13F -2,533 shares

    1.43% of the 13F portfolio, value $3,424,725.

    13F-HR 0001941040-25-000283 filed by MORGAN DEMPSEY CAPITAL MANAGEMENT LLC
    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 57,494 shares
    Change vs previous 13F -10,083 shares

    1.36% of the 13F portfolio, value $3,381,241.

    13F-HR 0001941040-25-000071 filed by MORGAN DEMPSEY CAPITAL MANAGEMENT LLC
    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 67,577 shares
    Change vs previous 13F not available

    1.65% of the 13F portfolio, value $4,809,444.

    13F-HR 0001941040-24-000488 filed by MORGAN DEMPSEY CAPITAL MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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