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Port Capital LLC: ULS position timeline

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

Port Capital LLC held 470,862 ULS 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 470,862 shares
    Change vs previous 13F -108,813 shares

    1.96% of the 13F portfolio, value $47,962,003.

    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 579,675 shares
    Change vs previous 13F -1,875 shares

    2.21% of the 13F portfolio, value $49,683,944.

    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 581,550 shares
    Change vs previous 13F -43,775 shares

    1.98% of the 13F portfolio, value $45,861,033.

    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 625,325 shares
    Change vs previous 13F +6,350 shares

    1.85% of the 13F portfolio, value $44,311,000.

    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 618,975 shares
    Change vs previous 13F +4,525 shares

    1.92% of the 13F portfolio, value $45,099,000.

    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 614,450 shares
    Change vs previous 13F +77,390 shares

    1.57% of the 13F portfolio, value $34,655,000.

    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 537,060 shares
    Change vs previous 13F +16,275 shares

    1.22% of the 13F portfolio, value $26,789,000.

    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 520,785 shares
    Change vs previous 13F not available

    1.15% of the 13F portfolio, value $25,675,000.

    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).