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Disclosery

BERKLEY W R CORP: AAM position timeline

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

BERKLEY W R CORP held 0 AAM 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 -3,230,319 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 3,230,319 shares
    Change vs previous 13F 0 shares

    1.93% of the 13F portfolio, value $34,467,504.

    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 3,230,319 shares
    Change vs previous 13F 0 shares

    2.19% of the 13F portfolio, value $33,982,956.

    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 3,230,319 shares
    Change vs previous 13F +1,498,703 shares

    2.09% of the 13F portfolio, value $33,659,924.

    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 1,731,616 shares
    Change vs previous 13F +956,425 shares

    1.32% of the 13F portfolio, value $18,060,755.

    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 775,191 shares
    Change vs previous 13F +272,931 shares

    0.44% of the 13F portfolio, value $7,829,429.

    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).

  7. period ended2024-09-30
    13F 502,260 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $5,032,645.

    13F-HR 0000899140-24-001277 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).