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Disclosery

SIR Capital Management, L.P.: WMB position timeline

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

SIR Capital Management, L.P. held 0 WMB shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -525,232 shares

    13F-HR 0001434997-26-000002 filed by SIR Capital Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 525,232 shares
    Change vs previous 13F +150,032 shares

    3.49% of the 13F portfolio, value $31,571,696.

    13F-HR 0001434997-26-000001 filed by SIR Capital Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 375,200 shares
    Change vs previous 13F not available

    2.13% of the 13F portfolio, value $23,768,920.

    13F-HR 0001434997-25-000007 filed by SIR Capital Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

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