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BECK MACK & OLIVER LLC: WMB position timeline

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

BECK MACK & OLIVER LLC held 420,175 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 420,175 shares
    Change vs previous 13F -3,960 shares

    0.61% of the 13F portfolio, value $31,235,810.

    13F-HR 0000010742-26-000013 filed by BECK MACK & OLIVER 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 424,135 shares
    Change vs previous 13F -2,550 shares

    0.64% of the 13F portfolio, value $30,868,545.

    13F-HR 0000010742-26-000005 filed by BECK MACK & OLIVER 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 426,685 shares
    Change vs previous 13F -14,318 shares

    0.47% of the 13F portfolio, value $25,648,035.

    13F-HR 0000010742-26-000002 filed by BECK MACK & OLIVER 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 441,003 shares
    Change vs previous 13F -10,471 shares

    0.51% of the 13F portfolio, value $27,937,540.

    13F-HR 0000010742-25-000021 filed by BECK MACK & OLIVER 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 451,474 shares
    Change vs previous 13F -2,200 shares

    0.54% of the 13F portfolio, value $28,357,082.

    13F-HR 0000010742-25-000016 filed by BECK MACK & OLIVER 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 453,674 shares
    Change vs previous 13F -6,086 shares

    0.54% of the 13F portfolio, value $27,111,558.

    13F-HR 0000010742-25-000008 filed by BECK MACK & OLIVER 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 459,760 shares
    Change vs previous 13F +500 shares

    0.46% of the 13F portfolio, value $24,882,211.

    13F-HR 0000010742-25-000002 filed by BECK MACK & OLIVER 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 459,260 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $20,965,219.

    13F-HR 0000010742-24-000017 filed by BECK MACK & OLIVER LLC
    Filed (acceptance time not in the bulk data set), ingested

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