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Guinness Atkinson Asset Management Inc: WMB position timeline

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

Guinness Atkinson Asset Management Inc held 5,245 WMB 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 5,245 shares
    Change vs previous 13F -165 shares

    0.17% of the 13F portfolio, value $389,913.

    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 5,410 shares
    Change vs previous 13F +406 shares

    0.2% of the 13F portfolio, value $393,740.

    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 5,004 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $299,239.

    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).