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CSS LLC/IL: ACI position timeline

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

CSS LLC/IL held 15,911 ACI 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 15,911 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $215,276.

    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 15,911 shares
    Change vs previous 13F -2,000 shares

    0.02% of the 13F portfolio, value $271,123.

    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 17,911 shares
    Change vs previous 13F -43,028 shares

    0.02% of the 13F portfolio, value $307,532.

    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 60,939 shares
    Change vs previous 13F +1,440 shares

    0.06% of the 13F portfolio, value $1,067,042.

    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 59,499 shares
    Change vs previous 13F +7,008 shares

    0.08% of the 13F portfolio, value $1,279,823.

    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 52,491 shares
    Change vs previous 13F -22,370 shares

    0.08% of the 13F portfolio, value $1,154,277.

    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 74,861 shares
    Change vs previous 13F -7,096 shares

    0.09% of the 13F portfolio, value $1,470,270.

    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).

  8. period ended2024-09-30
    13F 81,957 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $1,514,565.

    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).