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MAINSTAY CAPITAL MANAGEMENT LLC /ADV: GDX position timeline

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

MAINSTAY CAPITAL MANAGEMENT LLC /ADV held 205,108 GDX 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 205,108 shares
    Change vs previous 13F -105,610 shares

    1.15% of the 13F portfolio, value $15,475,366.

    13F-HR 0001127612-26-000005 filed by MAINSTAY CAPITAL MANAGEMENT LLC /ADV
    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 310,718 shares
    Change vs previous 13F +15,850 shares

    2.2% of the 13F portfolio, value $28,514,550.

    13F-HR 0001127612-26-000003 filed by MAINSTAY CAPITAL MANAGEMENT LLC /ADV
    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 294,868 shares
    Change vs previous 13F +276,270 shares

    1.94% of the 13F portfolio, value $25,290,792.

    13F-HR 0001127612-26-000002 filed by MAINSTAY CAPITAL MANAGEMENT LLC /ADV
    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 18,598 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $1,420,887.

    13F-HR 0001127612-25-000003 filed by MAINSTAY CAPITAL MANAGEMENT LLC /ADV
    Filed (acceptance time not in the bulk data set), ingested

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