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PROSPECTOR PARTNERS LLC: AEM position timeline

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

PROSPECTOR PARTNERS LLC held 21,100 AEM 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 21,100 shares
    Change vs previous 13F -17,983 shares

    7.66% of the 13F portfolio, value $3,577,083.

    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 39,083 shares
    Change vs previous 13F -3,332 shares

    0.79% of the 13F portfolio, value $6,587,830.

    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 42,415 shares
    Change vs previous 13F -14,608 shares

    0.59% of the 13F portfolio, value $5,044,416.

    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 57,023 shares
    Change vs previous 13F -2,521 shares

    0.71% of the 13F portfolio, value $6,181,863.

    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 59,544 shares
    Change vs previous 13F +512 shares

    0.53% of the 13F portfolio, value $4,656,936.

    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 59,032 shares
    Change vs previous 13F 0 shares

    0.51% of the 13F portfolio, value $4,755,618.

    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 59,032 shares
    Change vs previous 13F not available

    0.45% of the 13F portfolio, value $3,860,693.

    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).