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Guinness Atkinson Asset Management Inc: MA position timeline

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

Guinness Atkinson Asset Management Inc held 12,014 MA 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 12,014 shares
    Change vs previous 13F -256 shares

    2.77% of the 13F portfolio, value $6,170,390.

    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 12,270 shares
    Change vs previous 13F +905 shares

    3.06% of the 13F portfolio, value $6,130,828.

    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 11,365 shares
    Change vs previous 13F -658 shares

    3.09% of the 13F portfolio, value $6,567,834.

    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 12,023 shares
    Change vs previous 13F -1,035 shares

    3.24% of the 13F portfolio, value $6,830,747.

    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 13,058 shares
    Change vs previous 13F -1,033 shares

    3.85% of the 13F portfolio, value $7,337,813.

    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 14,091 shares
    Change vs previous 13F -683 shares

    4.3% of the 13F portfolio, value $7,723,559.

    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 14,774 shares
    Change vs previous 13F -1,025 shares

    3.97% of the 13F portfolio, value $7,779,545.

    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 15,799 shares
    Change vs previous 13F not available

    3.8% of the 13F portfolio, value $7,801,546.

    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).