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Disclosery

Port Capital LLC: AME position timeline

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

Port Capital LLC held 423,376 AME 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 423,376 shares
    Change vs previous 13F -8,870 shares

    4.18% of the 13F portfolio, value $102,431,589.

    13F-HR 0001104659-26-097336 filed by Port Capital LLC
    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 432,246 shares
    Change vs previous 13F -19,458 shares

    4.12% of the 13F portfolio, value $92,656,253.

    13F-HR 0001104659-26-062522 filed by Port Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 451,704 shares
    Change vs previous 13F -890 shares

    4% of the 13F portfolio, value $92,739,348.

    13F-HR 0001104659-26-016441 filed by Port Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 452,594 shares
    Change vs previous 13F -23,682 shares

    3.55% of the 13F portfolio, value $85,088,000.

    13F-HR 0001104659-25-112411 filed by Port Capital LLC
    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 476,276 shares
    Change vs previous 13F +5,980 shares

    3.66% of the 13F portfolio, value $86,187,000.

    13F-HR 0001104659-25-078671 filed by Port Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 470,296 shares
    Change vs previous 13F -3,679 shares

    3.67% of the 13F portfolio, value $80,957,000.

    13F-HR 0001104659-25-049491 filed by Port Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 473,975 shares
    Change vs previous 13F +3,605 shares

    3.9% of the 13F portfolio, value $85,439,000.

    13F-HR 0001104659-25-014092 filed by Port Capital LLC
    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 470,370 shares
    Change vs previous 13F not available

    3.62% of the 13F portfolio, value $80,767,000.

    13F-HR 0001104659-24-118811 filed by Port Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

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