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CSS LLC/IL: FLS position timeline

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

CSS LLC/IL held 11,411 FLS 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 11,411 shares
    Change vs previous 13F -7,694 shares

    0.04% of the 13F portfolio, value $846,240.

    13F-HR 0001103646-26-000012 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).

  2. period ended2026-03-31
    13F 19,105 shares
    Change vs previous 13F +3,080 shares

    0.08% of the 13F portfolio, value $1,404,409.

    13F-HR 0001103646-26-000009 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 ended2025-12-31
    13F 16,025 shares
    Change vs previous 13F +1,320 shares

    0.06% of the 13F portfolio, value $1,111,815.

    13F-HR 0001103646-26-000003 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 ended2025-09-30
    13F 14,705 shares
    Change vs previous 13F +2,880 shares

    0.05% of the 13F portfolio, value $781,424.

    13F-HR 0001103646-25-000009 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).

  5. period ended2025-06-30
    13F 11,825 shares
    Change vs previous 13F +5,034 shares

    0.04% of the 13F portfolio, value $619,039.

    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).

  6. period ended2025-03-31
    13F 6,791 shares
    Change vs previous 13F +2,301 shares

    0.02% of the 13F portfolio, value $331,672.

    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).

  7. period ended2024-12-31
    13F 4,490 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $258,265.

    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).