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Disclosery

Port Capital LLC: ADP position timeline

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

Port Capital LLC held 0 ADP shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -74,813 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 74,813 shares
    Change vs previous 13F -49,166 shares

    0.83% of the 13F portfolio, value $19,244,148.

    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).

  3. period ended2025-09-30
    13F 123,979 shares
    Change vs previous 13F +353 shares

    1.52% of the 13F portfolio, value $36,388,000.

    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).

  4. period ended2025-06-30
    13F 123,626 shares
    Change vs previous 13F +24,040 shares

    1.62% of the 13F portfolio, value $38,126,000.

    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).

  5. period ended2025-03-31
    13F 99,586 shares
    Change vs previous 13F +44,700 shares

    1.38% of the 13F portfolio, value $30,427,000.

    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).

  6. period ended2024-12-31
    13F 54,886 shares
    Change vs previous 13F +14,263 shares

    0.73% of the 13F portfolio, value $16,067,000.

    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).

  7. period ended2024-09-30
    13F 40,623 shares
    Change vs previous 13F not available

    0.5% of the 13F portfolio, value $11,242,000.

    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).