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PROSPECTOR PARTNERS LLC: MSFT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of PROSPECTOR PARTNERS LLC on MSFT, newest first. How the timeline and the estimate are built.

PROSPECTOR PARTNERS LLC held 9,685 MSFT 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 9,685 shares
    Change vs previous 13F -9,950 shares

    10.03% of the 13F portfolio, value $4,683,860.

    13F-HR 0001398344-26-003043 filed by PROSPECTOR PARTNERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-09-30
    13F 19,635 shares
    Change vs previous 13F -1,080 shares

    1.22% of the 13F portfolio, value $10,169,948.

    13F-HR 0001398344-25-020530 filed by PROSPECTOR PARTNERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 20,715 shares
    Change vs previous 13F -1,251 shares

    1.2% of the 13F portfolio, value $10,303,848.

    13F-HR 0001398344-25-014823 filed by PROSPECTOR PARTNERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-03-31
    13F 21,966 shares
    Change vs previous 13F -176 shares

    0.94% of the 13F portfolio, value $8,245,817.

    13F-HR 0001398344-25-009285 filed by PROSPECTOR PARTNERS LLC
    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 22,142 shares
    Change vs previous 13F +77 shares

    1.06% of the 13F portfolio, value $9,332,853.

    13F-HR 0001398344-25-002611 filed by PROSPECTOR PARTNERS LLC
    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 22,065 shares
    Change vs previous 13F +148 shares

    1.01% of the 13F portfolio, value $9,494,569.

    13F-HR 0001398344-24-020566 filed by PROSPECTOR PARTNERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-06-30
    13F 21,917 shares
    Change vs previous 13F not available

    1.15% of the 13F portfolio, value $9,795,803.

    13F-HR 0001398344-24-014535 filed by PROSPECTOR PARTNERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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