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Disclosery

CSS LLC/IL: AMT position timeline

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

CSS LLC/IL held 3,666 AMT 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 3,666 shares
    Change vs previous 13F +586 shares

    0.03% of the 13F portfolio, value $599,648.

    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 3,080 shares
    Change vs previous 13F +110 shares

    0.03% of the 13F portfolio, value $531,546.

    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 2,970 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $521,443.

    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).