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LOOMIS SAYLES & CO L P: WMB position timeline

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

LOOMIS SAYLES & CO L P held 37,815 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 37,815 shares
    Change vs previous 13F -22,874 shares

    <0.01% of the 13F portfolio, value $2,811,167.

    13F-HR 0000312348-26-000034 filed by LOOMIS SAYLES & CO L P
    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 60,689 shares
    Change vs previous 13F -63,108 shares

    0.01% of the 13F portfolio, value $4,416,945.

    13F-HR 0000312348-26-000026 filed by LOOMIS SAYLES & CO 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 ended2025-12-31
    13F 123,797 shares
    Change vs previous 13F -24,738 shares

    0.01% of the 13F portfolio, value $7,441,438.

    13F-HR 0000312348-26-000014 filed by LOOMIS SAYLES & CO L P
    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 148,535 shares
    Change vs previous 13F +7,889 shares

    0.01% of the 13F portfolio, value $9,409,693.

    13F-HR 0000312348-25-000035 filed by LOOMIS SAYLES & CO L P
    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 140,646 shares
    Change vs previous 13F +30,373 shares

    0.01% of the 13F portfolio, value $8,833,975.

    13F-HR 0000312348-25-000028 filed by LOOMIS SAYLES & CO L P
    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 110,273 shares
    Change vs previous 13F +154 shares

    0.01% of the 13F portfolio, value $6,590,000.

    13F-HR 0000312348-25-000021 filed by LOOMIS SAYLES & CO L P
    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 110,119 shares
    Change vs previous 13F -27,508 shares

    0.01% of the 13F portfolio, value $5,959,000.

    13F-HR 0000312348-25-000014 filed by LOOMIS SAYLES & CO L P
    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 137,627 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $6,283,000.

    13F-HR 0000312348-24-000037 filed by LOOMIS SAYLES & CO L P
    Filed (acceptance time not in the bulk data set), ingested

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