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Disclosery

BERKLEY W R CORP: ATMC position timeline

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

BERKLEY W R CORP held 0 ATMC shares at 2025-12-31 per its 13F-HR filed 2026-02-13.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -170,992 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-09-30
    13F 170,992 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $2,051,904.

    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).

  3. period ended2025-06-30
    13F 170,992 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $2,002,316.

    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).

  4. period ended2025-03-31
    13F 170,992 shares
    Change vs previous 13F -126,965 shares

    0.14% of the 13F portfolio, value $1,985,217.

    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).

  5. period ended2024-12-31
    13F 297,957 shares
    Change vs previous 13F -27,836 shares

    0.19% of the 13F portfolio, value $3,381,812.

    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).

  6. period ended2024-09-30
    13F 325,793 shares
    Change vs previous 13F not available

    0.26% of the 13F portfolio, value $3,648,882.

    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).