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Disclosery

GROUP ONE TRADING LLC: ICLN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GROUP ONE TRADING LLC on ICLN, newest first. How the timeline and the estimate are built.

GROUP ONE TRADING LLC held 222,350 ICLN 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 222,350 shares
    Change vs previous 13F +118,483 shares

    0.13% of the 13F portfolio, value $4,555,952.

    13F-HR 0000932540-26-000011 filed by GROUP ONE TRADING LLC
    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 103,867 shares
    Change vs previous 13F +18,175 shares

    0.06% of the 13F portfolio, value $1,899,727.

    13F-HR 0000932540-26-000005 filed by GROUP ONE TRADING LLC
    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 85,692 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $1,407,920.

    13F-HR 0000932540-26-000002 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

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