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Longbow Finance SA: WMB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Longbow Finance SA on WMB, newest first. How the timeline and the estimate are built.

Longbow Finance SA held 134,957 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 134,957 shares
    Change vs previous 13F +64,750 shares

    1.28% of the 13F portfolio, value $10,032,703.

    13F-HR 0001104659-26-088172 filed by Longbow Finance SA
    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 70,207 shares
    Change vs previous 13F -22,898 shares

    0.93% of the 13F portfolio, value $5,109,665.

    13F-HR 0001104659-26-059440 filed by Longbow Finance SA
    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 93,105 shares
    Change vs previous 13F -81,460 shares

    0.95% of the 13F portfolio, value $5,596,542.

    13F-HR 0001104659-26-014322 filed by Longbow Finance SA
    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 174,565 shares
    Change vs previous 13F not available

    1.09% of the 13F portfolio, value $11,058,693.

    13F-HR 0001104659-25-107752 filed by Longbow Finance SA
    Filed (acceptance time not in the bulk data set), ingested

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