Skip to content
Disclosery

GROUP ONE TRADING LLC: IREN position timeline

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

GROUP ONE TRADING LLC held 344,912 IREN 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 344,912 shares
    Change vs previous 13F -219,091 shares

    0.45% of the 13F portfolio, value $15,772,826.

    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 564,003 shares
    Change vs previous 13F -617,641 shares

    0.64% of the 13F portfolio, value $19,334,023.

    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 1,181,644 shares
    Change vs previous 13F -1,880,810 shares

    1.32% of the 13F portfolio, value $44,630,694.

    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 3,062,454 shares
    Change vs previous 13F -3,419,019 shares

    4.3% of the 13F portfolio, value $143,720,966.

    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 6,481,473 shares
    Change vs previous 13F -1,071,818 shares

    3.09% of the 13F portfolio, value $94,435,062.

    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 7,553,291 shares
    Change vs previous 13F +1,801,305 shares

    1.92% of the 13F portfolio, value $45,999,542.

    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 5,751,986 shares
    Change vs previous 13F +2,676,721 shares

    1.92% of the 13F portfolio, value $56,484,503.

    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 3,075,265 shares
    Change vs previous 13F not available

    1.03% of the 13F portfolio, value $25,955,237.

    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).