Skip to content

Port Capital LLC: RLI position timeline

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

Port Capital LLC held 1,345,839 RLI 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 1,345,839 shares
    Change vs previous 13F -41,668 shares

    3.24% of the 13F portfolio, value $79,498,710.

    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 1,387,507 shares
    Change vs previous 13F -17,656 shares

    3.52% of the 13F portfolio, value $79,143,399.

    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 1,405,163 shares
    Change vs previous 13F -132,880 shares

    3.88% of the 13F portfolio, value $89,902,329.

    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 1,538,043 shares
    Change vs previous 13F -5,943 shares

    4.18% of the 13F portfolio, value $100,311,000.

    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 1,543,986 shares
    Change vs previous 13F +11,975 shares

    4.74% of the 13F portfolio, value $111,507,000.

    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 1,532,011 shares
    Change vs previous 13F +765,343 shares

    5.58% of the 13F portfolio, value $123,066,000.

    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 766,668 shares
    Change vs previous 13F +6,680 shares

    5.77% of the 13F portfolio, value $126,370,000.

    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 759,988 shares
    Change vs previous 13F not available

    5.28% of the 13F portfolio, value $117,783,000.

    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).