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Disclosery

Swiss National Bank: WMB position timeline

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

Swiss National Bank held 3,449,000 WMB shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,449,000 shares
    Change vs previous 13F -135,000 shares

    0.13% of the 13F portfolio, value $256,398,660.

    13F-HR 0001582202-26-000007 filed by Swiss National Bank
    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 3,584,000 shares
    Change vs previous 13F +237,500 shares

    0.15% of the 13F portfolio, value $260,843,520.

    13F-HR 0001582202-26-000004 filed by Swiss National Bank
    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 3,346,500 shares
    Change vs previous 13F -173,200 shares

    0.12% of the 13F portfolio, value $201,158,115.

    13F-HR 0001582202-26-000002 filed by Swiss National Bank
    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 3,519,700 shares
    Change vs previous 13F -175,500 shares

    0.13% of the 13F portfolio, value $222,972,995.

    13F-HR 0001582202-25-000011 filed by Swiss National Bank
    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 3,695,200 shares
    Change vs previous 13F +257,200 shares

    0.14% of the 13F portfolio, value $232,095,512.

    13F-HR 0001582202-25-000007 filed by Swiss National Bank
    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 3,438,000 shares
    Change vs previous 13F -5,500 shares

    0.15% of the 13F portfolio, value $205,454,880.

    13F-HR 0001582202-25-000004 filed by Swiss National Bank
    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 3,443,500 shares
    Change vs previous 13F -173,800 shares

    0.12% of the 13F portfolio, value $186,362,220.

    13F-HR 0001582202-25-000002 filed by Swiss National Bank
    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 3,617,300 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $165,129,745.

    13F-HR 0001582202-24-000011 filed by Swiss National Bank
    Filed (acceptance time not in the bulk data set), ingested

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