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Guinness Atkinson Asset Management Inc: THRM position timeline

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

Guinness Atkinson Asset Management Inc held 4,044 THRM shares at 2026-06-30 per its 13F-HR filed 2026-07-29.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,044 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $137,941.

    13F-HR 0001409765-26-000007 filed by Guinness Atkinson Asset Management Inc
    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 4,044 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $112,342.

    13F-HR 0001409765-26-000005 filed by Guinness Atkinson Asset Management Inc
    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/A 4,044 shares
    Change vs previous 13F +648 shares

    0.07% of the 13F portfolio, value $151,043.

    13F-HR/A 0001409765-26-000003 filed by Guinness Atkinson Asset Management Inc
    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 3,396 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $117,026.

    13F-HR 0001409765-25-000004 filed by Guinness Atkinson Asset Management Inc
    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 3,396 shares
    Change vs previous 13F -7,526 shares

    0.05% of the 13F portfolio, value $96,073.

    13F-HR 0001085146-25-004425 filed by Guinness Atkinson Asset Management Inc
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 10,922 shares
    Change vs previous 13F -4,196 shares

    0.16% of the 13F portfolio, value $292,054.

    13F-HR 0001085146-25-002949 filed by Guinness Atkinson Asset Management Inc
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 15,118 shares
    Change vs previous 13F -2,811 shares

    0.31% of the 13F portfolio, value $603,585.

    13F-HR 0001085146-25-000291 filed by Guinness Atkinson Asset Management Inc
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 17,929 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $834,595.

    13F-HR 0001085146-24-004815 filed by Guinness Atkinson Asset Management Inc
    Filed (acceptance time not in the bulk data set), ingested

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