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PROSPECTOR PARTNERS LLC: WTM position timeline

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

PROSPECTOR PARTNERS LLC held 490 WTM 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 490 shares
    Change vs previous 13F -3,293 shares

    2.18% of the 13F portfolio, value $1,018,235.

    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 3,783 shares
    Change vs previous 13F -293 shares

    0.76% of the 13F portfolio, value $6,323,360.

    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 4,076 shares
    Change vs previous 13F +221 shares

    0.85% of the 13F portfolio, value $7,319,355.

    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 3,855 shares
    Change vs previous 13F 0 shares

    0.85% of the 13F portfolio, value $7,423,998.

    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 3,855 shares
    Change vs previous 13F 0 shares

    0.85% of the 13F portfolio, value $7,498,206.

    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 3,855 shares
    Change vs previous 13F +566 shares

    0.7% of the 13F portfolio, value $6,538,851.

    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 3,289 shares
    Change vs previous 13F not available

    0.7% of the 13F portfolio, value $5,977,593.

    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).