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Investment Management Corp of Ontario: WMB position timeline

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

Investment Management Corp of Ontario held 86,674 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 86,674 shares
    Change vs previous 13F -23,100 shares

    0.08% of the 13F portfolio, value $6,443,345.

    13F-HR 0001999371-26-018010 filed by Investment Management Corp of Ontario
    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 109,774 shares
    Change vs previous 13F +4,800 shares

    0.1% of the 13F portfolio, value $7,989,352.

    13F-HR 0001999371-26-010874 filed by Investment Management Corp of Ontario
    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 104,974 shares
    Change vs previous 13F +25,289 shares

    0.08% of the 13F portfolio, value $6,309,987.

    13F-HR 0001999371-26-003507 filed by Investment Management Corp of Ontario
    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 79,685 shares
    Change vs previous 13F +27,375 shares

    0.08% of the 13F portfolio, value $5,048,045.

    13F-HR 0001999371-25-017736 filed by Investment Management Corp of Ontario
    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 52,310 shares
    Change vs previous 13F +17,905 shares

    0.05% of the 13F portfolio, value $3,285,591.

    13F-HR 0001999371-25-011301 filed by Investment Management Corp of Ontario
    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 34,405 shares
    Change vs previous 13F +34,405 shares

    0.04% of the 13F portfolio, value $2,056,043.

    13F-HR 0001999371-25-006258 filed by Investment Management Corp of Ontario
    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 0 shares
    Change vs previous 13F -40,505 shares

    13F-HR 0001839882-25-009247 filed by Investment Management Corp of Ontario
    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.

  8. period ended2024-09-30
    13F 40,505 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $1,849,053.

    13F-HR 0001839882-24-039251 filed by Investment Management Corp of Ontario
    Filed (acceptance time not in the bulk data set), ingested

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