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Disclosery

QSM Asset Management Ltd: RIO position timeline

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

QSM Asset Management Ltd held 54,057 RIO shares at 2026-06-30 per its 13F-HR filed 2026-07-16.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 54,057 shares
    Change vs previous 13F -81,000 shares

    2.66% of the 13F portfolio, value $5,138,118.

    13F-HR 0002058325-26-000003 filed by QSM Asset Management Ltd
    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 135,057 shares
    Change vs previous 13F -95,643 shares

    6.08% of the 13F portfolio, value $12,416,764.

    13F-HR 0002058325-26-000002 filed by QSM Asset Management Ltd
    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 230,700 shares
    Change vs previous 13F +56,000 shares

    10.57% of the 13F portfolio, value $18,462,921.

    13F-HR 0002058325-26-000001 filed by QSM Asset Management Ltd
    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 174,700 shares
    Change vs previous 13F not available

    8.22% of the 13F portfolio, value $11,509,237.

    13F-HR 0002058325-25-000005 filed by QSM Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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