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Disclosery

Blume Capital Management, Inc.: RIO position timeline

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

Blume Capital Management, Inc. held 67,656 RIO shares at 2026-06-30 per its 13F-HR filed 2026-07-27.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 67,656 shares
    Change vs previous 13F -19 shares

    0.95% of the 13F portfolio, value $6,422,585.

    13F-HR 0001587192-26-000003 filed by Blume Capital Management, Inc.
    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 67,675 shares
    Change vs previous 13F -368 shares

    1.07% of the 13F portfolio, value $6,313,401.

    13F-HR 0001587192-26-000002 filed by Blume Capital Management, Inc.
    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 68,043 shares
    Change vs previous 13F -150 shares

    1% of the 13F portfolio, value $5,445,482.

    13F-HR 0001587192-26-000001 filed by Blume Capital Management, Inc.
    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 68,193 shares
    Change vs previous 13F +450 shares

    0.87% of the 13F portfolio, value $4,501,420.

    13F-HR 0001587192-25-000008 filed by Blume Capital Management, Inc.
    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 67,743 shares
    Change vs previous 13F +685 shares

    0.81% of the 13F portfolio, value $3,951,450.

    13F-HR 0001587192-25-000006 filed by Blume Capital Management, Inc.
    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 67,058 shares
    Change vs previous 13F +1,705 shares

    0.9% of the 13F portfolio, value $4,028,845.

    13F-HR 0001587192-25-000002 filed by Blume Capital Management, Inc.
    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 65,353 shares
    Change vs previous 13F +5,851 shares

    0.86% of the 13F portfolio, value $3,843,410.

    13F-HR 0001587192-25-000001 filed by Blume Capital Management, Inc.
    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 59,502 shares
    Change vs previous 13F not available

    0.96% of the 13F portfolio, value $4,234,758.

    13F-HR 0001587192-24-000009 filed by Blume Capital Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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