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Disclosery

BERKLEY W R CORP: MRLN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BERKLEY W R CORP on MRLN, newest first. How the timeline and the estimate are built.

BERKLEY W R CORP held 0 MRLN shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -633,772 shares

    13F-HR 0000899140-26-000586 filed by BERKLEY W R CORP
    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.

  2. period ended2025-12-31
    13F 633,772 shares
    Change vs previous 13F -377,955 shares

    0.38% of the 13F portfolio, value $6,794,036.

    13F-HR 0000899140-26-000194 filed by BERKLEY W R CORP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 1,011,727 shares
    Change vs previous 13F -199,292 shares

    0.68% of the 13F portfolio, value $10,521,961.

    13F-HR 0000899140-25-001317 filed by BERKLEY W R CORP
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 1,211,019 shares
    Change vs previous 13F +663,884 shares

    0.77% of the 13F portfolio, value $12,485,606.

    13F-HR 0000899140-25-000995 filed by BERKLEY W R CORP
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 547,135 shares
    Change vs previous 13F +447,135 shares

    0.4% of the 13F portfolio, value $5,476,821.

    13F-HR 0000899140-25-000708 filed by BERKLEY W R CORP
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 100,000 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $986,000.

    13F-HR 0000899140-25-000325 filed by BERKLEY W R CORP
    Filed (acceptance time not in the bulk data set), ingested

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