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Quantum Portfolio Management LLC: WMB position timeline

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

Quantum Portfolio Management LLC held 22,783 WMB shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 22,783 shares
    Change vs previous 13F +312 shares

    0.61% of the 13F portfolio, value $1,693,688.

    13F-HR 0001420506-26-001701 filed by Quantum Portfolio Management LLC
    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/A 22,471 shares
    Change vs previous 13F -30 shares

    0.71% of the 13F portfolio, value $1,635,439.

    13F-HR/A 0001172661-26-001580 filed by Quantum Portfolio Management LLC
    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 22,501 shares
    Change vs previous 13F -9,697 shares

    0.6% of the 13F portfolio, value $1,352,535.

    13F-HR 0001172661-26-000672 filed by Quantum Portfolio Management LLC
    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 32,198 shares
    Change vs previous 13F +12,782 shares

    0.61% of the 13F portfolio, value $2,039,743.

    13F-HR 0001172661-25-004476 filed by Quantum Portfolio Management LLC
    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 19,416 shares
    Change vs previous 13F -224 shares

    0.58% of the 13F portfolio, value $1,219,519.

    13F-HR 0001172661-25-003208 filed by Quantum Portfolio Management LLC
    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 19,640 shares
    Change vs previous 13F +803 shares

    0.6% of the 13F portfolio, value $1,173,686.

    13F-HR 0001172661-25-001852 filed by Quantum Portfolio Management LLC
    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 18,837 shares
    Change vs previous 13F +4,266 shares

    0.55% of the 13F portfolio, value $1,019,458.

    13F-HR 0001172661-25-000338 filed by Quantum Portfolio Management LLC
    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 14,571 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $665,166.

    13F-HR 0001172661-24-004357 filed by Quantum Portfolio Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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