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Disclosery

BERKLEY W R CORP: MSFT position timeline

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

BERKLEY W R CORP held 149,400 MSFT 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/A 149,400 shares
    Change vs previous 13F +149,400 shares

    2.73% of the 13F portfolio, value $55,729,188.

    13F-HR 0000899140-26-000887 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).

  2. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -152,600 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.

  3. period ended2025-12-31
    13F 152,600 shares
    Change vs previous 13F +102,800 shares

    4.13% of the 13F portfolio, value $73,800,412.

    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).

  4. period ended2025-09-30
    13F 49,800 shares
    Change vs previous 13F +49,800 shares

    1.67% of the 13F portfolio, value $25,793,910.

    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).

  5. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -99,500 shares

    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).

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

  6. period ended2025-03-31
    13F 99,500 shares
    Change vs previous 13F -68,900 shares

    2.73% of the 13F portfolio, value $37,351,305.

    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).

  7. period ended2024-12-31
    13F 168,400 shares
    Change vs previous 13F +168,400 shares

    4.02% of the 13F portfolio, value $70,980,600.

    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).

  8. period ended2024-09-30
    13F 0 shares
    Change vs previous 13F not available

    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).

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