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Disclosery

GROUP ONE TRADING LLC: LYB position timeline

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

GROUP ONE TRADING LLC held 72,217 LYB 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 72,217 shares
    Change vs previous 13F -41,288 shares

    0.11% of the 13F portfolio, value $3,802,225.

    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 113,505 shares
    Change vs previous 13F -13,195 shares

    0.3% of the 13F portfolio, value $9,143,963.

    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 126,700 shares
    Change vs previous 13F -4,811 shares

    0.16% of the 13F portfolio, value $5,486,110.

    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).

  4. period ended2025-09-30
    13F 131,511 shares
    Change vs previous 13F +55,059 shares

    0.19% of the 13F portfolio, value $6,449,299.

    13F-HR 0000932540-25-000040 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).

  5. period ended2025-06-30
    13F 76,452 shares
    Change vs previous 13F +73,380 shares

    0.14% of the 13F portfolio, value $4,423,513.

    13F-HR 0000932540-25-000034 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).

  6. period ended2025-03-31
    13F 3,072 shares
    Change vs previous 13F +735 shares

    0.01% of the 13F portfolio, value $216,269.

    13F-HR 0000932540-25-000027 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).

  7. period ended2024-12-31
    13F/A 2,337 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $173,569.

    13F-HR/A 0000932540-25-000028 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).