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Disclosery

Rye Brook Capital LLC: MP position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rye Brook Capital LLC on MP, newest first. How the timeline and the estimate are built.

Rye Brook Capital LLC held 13,698 MP shares at 2026-09-30 per its 13F-HR filed 2026-10-07.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 13,698 shares
    Change vs previous 13F 0 shares

    0.42% of the 13F portfolio, value $648,000.

    13F-HR 0001844147-26-000004 filed by Rye Brook Capital LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 13,698 shares
    Change vs previous 13F +2,410 shares

    0.54% of the 13F portfolio, value $767,000.

    13F-HR 0001844147-26-000003 filed by Rye Brook Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 11,288 shares
    Change vs previous 13F not available

    0.5% of the 13F portfolio, value $545,000.

    13F-HR 0001844147-26-000002 filed by Rye Brook Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

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