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Guinness Atkinson Asset Management Inc: POWI position timeline

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

Guinness Atkinson Asset Management Inc held 3,228 POWI 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 3,228 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $270,377.

    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 3,228 shares
    Change vs previous 13F 0 shares

    0.08% of the 13F portfolio, value $165,274.

    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 3,228 shares
    Change vs previous 13F +654 shares

    0.05% of the 13F portfolio, value $115,885.

    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 2,574 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $101,338.

    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 2,574 shares
    Change vs previous 13F -429 shares

    0.08% of the 13F portfolio, value $143,887.

    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 3,003 shares
    Change vs previous 13F -429 shares

    0.08% of the 13F portfolio, value $151,652.

    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 3,432 shares
    Change vs previous 13F -858 shares

    0.11% of the 13F portfolio, value $211,754.

    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 4,290 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $275,075.

    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).