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Disclosery

GROUP ONE TRADING LLC: LEGN position timeline

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

GROUP ONE TRADING LLC held 26,717 LEGN 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 26,717 shares
    Change vs previous 13F -24,193 shares

    0.02% of the 13F portfolio, value $771,587.

    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 50,910 shares
    Change vs previous 13F +10,934 shares

    0.03% of the 13F portfolio, value $920,962.

    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 39,976 shares
    Change vs previous 13F +1,268 shares

    0.03% of the 13F portfolio, value $869,078.

    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 38,708 shares
    Change vs previous 13F +26,181 shares

    0.04% of the 13F portfolio, value $1,262,268.

    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 12,527 shares
    Change vs previous 13F -28,905 shares

    0.01% of the 13F portfolio, value $444,583.

    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 41,432 shares
    Change vs previous 13F -3,599 shares

    0.06% of the 13F portfolio, value $1,405,788.

    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 45,031 shares
    Change vs previous 13F +1,891 shares

    0.05% of the 13F portfolio, value $1,465,309.

    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).

  8. period ended2024-09-30
    13F 43,140 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $2,102,212.

    13F-HR 0000932540-24-000015 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).