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Disclosery

CSS LLC/IL: AMKR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CSS LLC/IL on AMKR, newest first. How the timeline and the estimate are built.

CSS LLC/IL held 0 AMKR 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 -19,093 shares

    13F-HR 0001085146-25-005235 filed by CSS LLC/IL
    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 19,093 shares
    Change vs previous 13F +3,753 shares

    0.02% of the 13F portfolio, value $344,820.

    13F-HR 0001085146-25-003288 filed by CSS LLC/IL
    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 15,340 shares
    Change vs previous 13F +1,320 shares

    0.02% of the 13F portfolio, value $394,085.

    13F-HR 0001085146-25-001728 filed by CSS LLC/IL
    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 14,020 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $429,012.

    13F-HR 0001085146-24-005922 filed by CSS LLC/IL
    Filed (acceptance time not in the bulk data set), ingested

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