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BECK MACK & OLIVER LLC: ZWS position timeline

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

BECK MACK & OLIVER LLC held 3,431,406 ZWS 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 3,431,406 shares
    Change vs previous 13F -66,584 shares

    3.38% of the 13F portfolio, value $173,388,945.

    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 3,497,990 shares
    Change vs previous 13F -87,859 shares

    3.23% of the 13F portfolio, value $156,849,872.

    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 3,585,849 shares
    Change vs previous 13F -67,075 shares

    3.03% of the 13F portfolio, value $166,706,138.

    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 3,652,924 shares
    Change vs previous 13F -53,423 shares

    3.12% of the 13F portfolio, value $171,797,036.

    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 3,706,347 shares
    Change vs previous 13F +133,478 shares

    2.59% of the 13F portfolio, value $135,541,110.

    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 3,572,869 shares
    Change vs previous 13F +87,303 shares

    2.35% of the 13F portfolio, value $117,833,220.

    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 3,485,566 shares
    Change vs previous 13F +17,090 shares

    2.41% of the 13F portfolio, value $130,011,612.

    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 3,468,476 shares
    Change vs previous 13F not available

    2.42% of the 13F portfolio, value $124,657,027.

    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).