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Disclosery

Port Capital LLC: ATEC position timeline

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

Port Capital LLC held 0 ATEC shares at 2025-06-30 per its 13F-HR filed 2025-08-14.

the latest 13F is the newest step

  1. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -13,000 shares

    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).

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

  2. period ended2025-03-31
    13F 13,000 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $132,000.

    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).

  3. period ended2024-12-31
    13F 13,000 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $119,000.

    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).

  4. period ended2024-09-30
    13F 13,000 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $72,000.

    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).