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Disclosery

HARBOR INVESTMENT ADVISORY, LLC: GDX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of HARBOR INVESTMENT ADVISORY, LLC on GDX, newest first. How the timeline and the estimate are built.

HARBOR INVESTMENT ADVISORY, LLC held 6,418 GDX shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 6,418 shares
    Change vs previous 13F -2,623 shares

    0.04% of the 13F portfolio, value $563,500.

    13F-HR 0001468792-26-000011 filed by HARBOR INVESTMENT ADVISORY, LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 9,041 shares
    Change vs previous 13F -3,272 shares

    0.05% of the 13F portfolio, value $682,143.

    13F-HR 0001468792-26-000006 filed by HARBOR INVESTMENT ADVISORY, 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 12,313 shares
    Change vs previous 13F -789 shares

    0.09% of the 13F portfolio, value $1,129,964.

    13F-HR 0001468792-26-000005 filed by HARBOR INVESTMENT ADVISORY, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 13,102 shares
    Change vs previous 13F +850 shares

    0.08% of the 13F portfolio, value $1,123,759.

    13F-HR 0001468792-26-000001 filed by HARBOR INVESTMENT ADVISORY, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 12,252 shares
    Change vs previous 13F +1,765 shares

    0.08% of the 13F portfolio, value $936,053.

    13F-HR 0001468792-25-000006 filed by HARBOR INVESTMENT ADVISORY, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 10,487 shares
    Change vs previous 13F +650 shares

    0.05% of the 13F portfolio, value $545,953.

    13F-HR 0001468792-25-000005 filed by HARBOR INVESTMENT ADVISORY, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 9,837 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $452,207.

    13F-HR 0001468792-25-000004 filed by HARBOR INVESTMENT ADVISORY, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 9,837 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $333,573.

    13F-HR 0001468792-25-000001 filed by HARBOR INVESTMENT ADVISORY, LLC
    Filed (acceptance time not in the bulk data set), ingested

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