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Disclosery

Oppenheimer & Close, LLC: RIO position timeline

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

Oppenheimer & Close, LLC held 0 RIO shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 0 shares
    Change vs previous 13F -4,500 shares

    13F-HR 0001062993-26-004206 filed by Oppenheimer & Close, LLC
    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 4,500 shares
    Change vs previous 13F 0 shares

    0.26% of the 13F portfolio, value $419,805.

    13F-HR 0001062993-26-002521 filed by Oppenheimer & Close, 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 4,500 shares
    Change vs previous 13F 0 shares

    0.25% of the 13F portfolio, value $360,135.

    13F-HR 0001062993-26-000724 filed by Oppenheimer & Close, 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 4,500 shares
    Change vs previous 13F 0 shares

    0.2% of the 13F portfolio, value $297,045.

    13F-HR 0001062993-25-016592 filed by Oppenheimer & Close, 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 4,500 shares
    Change vs previous 13F not available

    0.2% of the 13F portfolio, value $262,485.

    13F-HR 0001062993-25-014119 filed by Oppenheimer & Close, LLC
    Filed (acceptance time not in the bulk data set), ingested

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